Search Results — 2000 specimen records retrieved (1985 records with coordinates)
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Results for search: County=LOS ANGELES; Source=All; Collector=Swinney;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC126767  Symphyotrichum subulatum R. G. Swinney 2008-11-30 9869 Los Angeles San Gabriel Mtns.: Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  CAS-BOT-BC166528  Erythranthe parishii R. G. Swinney 2005-7-21 8313 Los Angeles San Gabriel Mountains: Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  CAS-BOT-BC229144  Claytonia parviflora R. G. Swinney 2009-4-28 10543 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma 1608 Comment
  CAS-BOT-BC375677  Stephanomeria parryi R. G. Swinney 2009-5-12 10721 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  CAS-BOT-BC520309  Lobelia dunnii var. serrata R. G. Swinney 2009-8-6 11509 Los Angeles Transverse Range: San Gabriel Mountains; Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Cyn, San Dimas Experimental Forest 475 Comment
  CAS-BOT-BC520313  Fumaria officinalis R. G. Swinney 2010-3-16 11956 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Washa nd Big Tujunga Wash at I-210 crossing, within 50 m on N & S sides of I-210 329 Comment
  CDA25235  Spergularia rubra R. G. Swinney 2000-5-21 7699 Los Angeles San Gabriel Mountains; Northeast of Azusa, Rincon Canyon, c. 300 meters southwest of Rincon Road entrance and Highway 39, on plateau west of Rincon Road. Comment
  HSC101280  Forestiera pubescens R. G. Swinney 2009-4-24 10482 Los Angeles Transverse Ranges; San Gabriel Mtns. / Mojave Desert: Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  HSC101281  Selaginella bigelovii R. G. Swinney 2009-3-28 10197 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 378 Comment
  HSC101285  Pectocarya penicillata R. G. Swinney 2009-4-28 10506 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 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
  HSC101305  Calystegia macrostegia subsp. arida R. G. Swinney 2009-3-28 10200 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 378 Comment
  HSC101347  Solanum douglasii R. G. Swinney 2008-11-30 9876 Los Angeles San Gabriel Mtns.; Azusa/Irwindale boundary, San Gabriel River Channel, within 75 m of Foothill Blvd. bridge 177 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
  HSC101378  Agrostis exarata R. G. Swinney 2008-8-13 9378 Los Angeles San Gabriel Mtns.: Icy Springs, tributary of Big Rock Creek 1756 Comment
  HSC104219  Phacelia cryptantha R. G. Swinney 2009-4-24 10438 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  LA211928  Ephedra nevadensis R. G. Swinney; 2010-5-12 12770 Los Angeles SAN GABRIEL MOUNTAINS, Carr Canyon above Mount Emma road crossing, 0.6 miles E of Littlerock Creek confluence with Carr Canyon. 945.0 Comment
  RSA0012042  Euphorbia albomarginata R. G. Swinney 2009-4-29 10599 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA0012047  Salvia columbariae R. G. Swinney 2009-4-29 10593 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA0021935  Ribes montigenum R. G. Swinney 1998-8-27 6891 Los Angeles West Baldy Peak. 3018 Comment
  RSA0035473  Ericameria pinifolia R. G. Swinney 2009-11-16 11629 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0035997  Cryptantha microstachys R. G. Swinney 2010-6-21 13261 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0036046  Muhlenbergia rigens R. G. Swinney 2009-11-16 11635 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0036982  Solidago californica R. G. Swinney 2010-5-29 13405 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0038708  Vulpia myuros R. G. Swinney 2010-3-22 12001 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0038711  Calandrinia breweri R. G. Swinney 2010-3-22 12004 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0038713  Agrostis idahoensis R. G. Swinney 2010-10-13 14021 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0038715  Lotus strigosus var. strigosus R. G. Swinney 2010-3-22 11995 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0039051  Conyza canadensis R. G. Swinney 2009-11-18 11655 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
  RSA0039053  Ericameria nauseosa R. G. Swinney 2009-11-16 11649 Los Angeles Big Rock Wash, 1.2 miles south of Pallett Creek Rd. & Valyermo Rd. junction, 50 m west of Valyermo Rd. 1079 Comment
  RSA0039055  Stephanomeria virgata R. G. Swinney 2009-11-16 11626 Los Angeles 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  RSA0039062  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-11 12644 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA0039069  Corethrogyne filaginifolia R. G. Swinney 2009-11-16 11622 Los Angeles 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  RSA0039127  Monardella breweri subsp. lanceolata R. G. Swinney 2010-6-21 13249 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0039129  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-29 13403 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0039130  Mimulus floribundus R. G. Swinney 2010-5-29 13402 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0039134  Veronica persica R. G. Swinney 2010-3-10 11796 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0039464  Chlorogalum pomeridianum R. G. Swinney 2010-6-21 13250 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0040462  Solanum umbelliferum R. G. Swinney 2010-5-11 12647 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  RSA0042039  Centaurea melitensis R. G. Swinney 2010-5-4 12485 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0042043  Salix lasiolepis R. G. Swinney 2010-3-10 11830 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA0042045  Dichelostemma capitatum R. G. Swinney 2010-3-10 11828 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA0045217  Lithophragma affine R. G. Swinney 2010-6-21 13268 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 561 Comment
  RSA0045219  Emmenanthe penduliflora R. G. Swinney 2010-5-11 12654 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  RSA0045261  Erodium cicutarium R. G. Swinney 2010-3-22 12006 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0045263  Schismus barbatus R. G. Swinney 2010-3-22 12008 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0045268  Filago californica R. G. Swinney 2010-3-22 12013 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0047409  Eriophyllum confertiflorum R. G. Swinney 2010-3-10 11826 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA0047412  Lamarckia aurea R. G. Swinney 2010-5-4 12482 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0047417  Ericameria cooperi R. G. Swinney 2010-5-12 12703 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA0047419  Mentzelia micrantha R. G. Swinney 2010-5-4 12501 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0047904  Erigeron foliosus R. G. Swinney 2010-6-4 13064 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0047910  Schismus barbatus R. G. Swinney 2010-5-12 12750 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
  RSA0047914  Linanthus aureus subsp. aureus R. G. Swinney 2010-5-12 12746 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
  RSA0049474  Camissonia hirtella Richard G. Swinney 2010-4-20 12273 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0049481  Chenopodium berlandieri Richard G. Swinney 2010-8-16 13519 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0049483  Clarkia unguiculata Richard G. Swinney 2010-5-7 12615 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, 150m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA0049485  Galium angustifolium Richard G. Swinney 2010-5-7 12616 Los Angeles San Gabriel/Verdugo Mountains; Tujunga Valley, 150m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA0049488  Pentagramma triangularis Richard G. Swinney 2010-5-7 12611 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
  RSA0049900  Elymus glaucus R. G. Swinney 2008-7-2 9133 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA0053861  Antirrhinum coulterianum R. G. Swinney 2010-4-28 12438 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0053863  Chaenactis artemisiifolia R. G. Swinney 2010-4-28 12426 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0053868  Dicentra chrysantha R. G. Swinney 2010-4-20 12296 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0053870  Chenopodium berlandieri R. G. Swinney 2010-4-28 12432 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0053874  Camissonia strigulosa R. G. Swinney 2010-5-11 12625 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0053881  Nemophila spatulata R. G. Swinney 2010-5-11 12635 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0053883  Antirrhinum coulterianum R. G. Swinney 2010-5-11 12640 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0053885  Marah macrocarpa R. G. Swinney 2010-5-11 12638 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0053888  Layia glandulosa R. G. Swinney 2010-5-11 12641 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0053891  Solanum douglasii R. G. Swinney 2010-4-13 12204 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0053893  Salvia mellifera R. G. Swinney 2010-2-27 11769 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
  RSA0053898  Lotus strigosus R. G. Swinney 2010-5-11 12621 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0057887  Epilobium canum subsp. latifolium Richard G. Swinney 2010-9-7 13699 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA0057889  Bromus tectorum Richard G. Swinney 2010-9-7 13692 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA0057892  Verbena bracteata Richard G. Swinney 2010-9-7 13685 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA0057899  Rorippa curvipes var. truncata Richard G. Swinney 2010-9-7 13703 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA0057922  Nicotiana glauca Richard G. Swinney 2010-4-15 12219 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0057927  Lotus scoparius subsp. scoparius Richard G. Swinney 2010-3-16 11948 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0057929  Hordeum murinum Richard 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
  RSA0058195  Lotus heermannii Richard G. Swinney 2010-6-23 13357 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0058198  Lupinus sparsiflorus Richard G. Swinney 2010-6-23 13358 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0058231  Rhamnus ilicifolia Richard G. Swinney 2010-4-23 12346 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0058233  Artemisia douglasiana Richard G. Swinney 2010-4-23 12343 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0060510  Helianthemum scoparium R. G. Swinney 2010-3-10 11820 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA0060869  Rhus aromatica R. G. Swinney 2010-3-22 12088 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  RSA0060882  Ricinus communis R. G. Swinney 2010-8-16 13563 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0062531  Lupinus bicolor R. G. Swinney 2010-6-4 13055 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0062566  Carex alma R. G. Swinney 2010-9-9 13775 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
  RSA0062622  Helenium bigelovii R. G. Swinney 2010-9-9 13766 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
  RSA0062627  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0062629  Melilotus albus R. G. Swinney 2010-6-8 13200 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0062634  Agrostis R. G. Swinney 2010-9-9 13773 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
  RSA0067560  Helianthemum scoparium R. G. Swinney 2010-5-4 12499 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0067564  Bromus tectorum R. G. Swinney 2010-5-12 12715 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA0068076  Dodecatheon redolens R. G. Swinney 2010-10-13 14026 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0068232  Ribes indecorum R. G. Swinney 2010-3-10 11840 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  RSA0068237  Mirabilis laevis R. G. Swinney 2010-3-22 12086 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  RSA0068239  Ceanothus crassifolius R. G. Swinney 2010-3-10 11842 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  RSA0068307  Chamaesyce albomarginata R. G. Swinney 2010-5-12 12705 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA0068309  Stanleya pinnata R. G. Swinney 2010-5-12 12718 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA0068432  Polygonum aviculare R. G. Swinney 2010-8-16 13541 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0068437  Nicotiana glauca R. G. Swinney 2010-8-16 13546 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0068439  Artemisia californica R. G. Swinney 2010-8-16 13556 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0068441  Lupinus succulentus R. G. Swinney 2010-6-8 13212 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0068443  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0068445  Gilia R. G. Swinney 2010-5-19 12838 Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
Read comments
Dec 7 2018
  RSA0068448  Tribulus terrestris R. G. Swinney 2010-6-8 13220 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0068456  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-18 11985 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
  RSA0069431  Solidago californica R. G. Swinney 2010-9-9 13764 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
  RSA0069433  Avena fatua R. G. Swinney 2010-6-8 13216 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0069435  Brassica nigra R. G. Swinney 2010-6-8 13201 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0069438  Carduus pycnocephalus R. G. Swinney 2010-6-8 13206 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0069836  Eriogonum wrightii var. subscaposum R. G. Swinney 2010-9-23 13876 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA0069874  Galium angustifolium R. G. Swinney 2010-5-7 12603 Los Angeles Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd'? and Jimenez St./Dominica Ave. 378 Comment
  RSA0069881  Salvia columbariae R. G. Swinney 2010-4-1 12153 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0069885  Sonchus oleraceus R. G. Swinney 2010-2-27 11751 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
  RSA0069888  Apocynum cannabinum R. G. Swinney 2010-9-13 13814 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
  RSA0070327  Schinus molle R. G. Swinney 2010-5-7 12598 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  RSA0070329  Lotus scoparius var. scoparius R. G. Swinney 2010-5-7 12600 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  RSA0070334  Navarretia atractyloides R. G. Swinney 2010-6-8 13184 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 494 Comment
  RSA0076015  Stylocline gnaphaloides R. G. Swinney 2010-4-1 12127 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0076092  Cotoneaster lacteus R. G. Swinney 2000-5-10 7680 Los Angeles Azusa, San Gabriel River Canyon, 1.2 miles NE of Sierra Madre Ave. on shoulder of Hwy 39. 244 Comment
  RSA0076097  Cotoneaster pannosus R. G. Swinney 2008-5-30 8907 Los Angeles San Gabriel Mtns.: San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road. 268 Comment
  RSA0076955  Camissonia californica R. G. Swinney 2010-5-19 12825 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0076958  Phacelia distans R. G. Swinney 2010-5-19 12822 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0076962  Bromus rubens R. G. Swinney 2010-5-19 12830 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0077089  Phacelia distans R. G. Swinney 2010-4-1 12125 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0077092  Salvia mellifera R. G. Swinney 2010-4-15 12231 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0077097  Malacothrix saxatilis R. G. Swinney 2010-4-15 12220 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0080360  Keckiella ternata subsp. ternata R. G. Swinney 2011-6-29 15363 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  RSA0080364  Epilobium canum subsp. canum R. G. Swinney 2011-7-21 15540 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0080390  Sisymbrium orientale R. G. Swinney 2010-3-24 12043 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0080394  Dichelostemma capitatum R. G. Swinney 2010-3-24 12098 Los Angeles Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge. 503 Comment
  RSA0080650  Mimulus cardinalis R. G. Swinney 2010-5-29 13010 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0080654  Phacelia ramosissima R. G. Swinney 2010-5-29 13016 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
  RSA0080720  Mentzelia R. G. Swinney 2010-5-12 12757 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0080724  Potamogeton nodosus R. G. Swinney 2010-9-7 13711 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA0080732  Piptatherum miliaceum R. G. Swinney 2010-8-26 13604 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA0080737  Pterostegia drymarioides R. G. Swinney 2010-4-23 12366 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0080739  Ageratina adenophora R. G. Swinney 2010-4-23 12368 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0080741  Clematis ligusticifolia R. G. Swinney 2010-8-11 13516 Los Angeles Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  RSA0080743  Foeniculum vulgare R. G. Swinney 2010-8-11 13514 Los Angeles Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  RSA0080745  Centaurea melitensis R. G. Swinney 2010-6-23 13366 Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0080748  Romneya coulteri R. G. Swinney 2010-6-23 13369 Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0080966  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-28 12404 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0081136  Amsinckia tessellata R. G. Swinney 2010-5-12 12725 Los Angeles 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
  RSA0081296  Vinca major R. G. Swinney 2010-4-30 12479 Los Angeles Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon. 482 Comment
  RSA0081301  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-24 12079 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0081303  Schismus barbatus R. G. Swinney 2010-3-24 12075 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0081305  Antirrhinum kelloggii R. G. Swinney 2010-3-24 12070 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0081308  Lomatium dasycarpum R. G. Swinney 2010-3-24 12101 Los Angeles Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge. 503 Comment
  RSA0081311  Ribes aureum R. G. Swinney 2010-5-7 12594 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA0081313  Eriophyllum confertiflorum R. G. Swinney 2010-4-28 12410 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0081315  Rafinesquia californica Richard G. Swinney 2010-5-7 12591 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c.100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA0081318  Cryptantha muricata R. G. Swinney 2010-3-16 11922 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0081367  Lotus argophyllus var. argophyllus R. G. Swinney 2011-7-21 15336 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0081369  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-7-21 15537 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0081382  Limosella acaulis R. G. Swinney 2010-9-13 13803 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA0081387  Stachys albens R. G. Swinney 2010-8-26 13591 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA0081389  Solidago californica R. G. Swinney 2010-9-13 13809 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA0081392  Asclepias eriocarpa R. G. Swinney 2010-9-13 13813 Los Angeles San Gabriel Mountains: Crystal Lake, c. 200 meters north of lake near parking area. 1729 Comment
  RSA0081636  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-9-9 13750 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. 1997 Comment
  RSA0082407  Mimulus cardinalis R. G. Swinney 2010-9-7 13721 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  RSA0082831  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2011-7-21 15553 A Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0082833  Asclepias eriocarpa R. G. Swinney 2011-7-21 15545 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0082896  Lupinus succulentus R. G. Swinney 2010-5-7 12583 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA0082900  Dichelostemma capitatum R. G. Swinney 2010-5-7 12587 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA0083086  Melilotus indicus R. G. Swinney 2010-3-22 12029 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0083126  Castilleja minor subsp. spiralis R. G. Swinney 2010-6-4 13027 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0084860  Tamarix ramosissima R. G. Swinney 2010-9-1 13672 Los Angeles Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  RSA0084864  Eriogonum kennedyi var. alpigenum R. G. Swinney 2010-9-21 13870 Los Angeles C. 200 meters east of Mt. Hawkins, jct. of Pacific Crest Trail and side trail to Mt. Hawkins on north end of Copter Ridge. 2671 Comment
  RSA0084871  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-4 12557 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0084873  Trifolium willdenovii R. G. Swinney 2010-5-4 12549 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0084932  Lotus salsuginosus R. G. Swinney 2010-3-10 11814 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA0084937  Asclepias fascicularis R. G. Swinney 2010-9-13 13806 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA0085300  Boykinia rotundifolia R. G. Swinney 2010-8-26 13594 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA0085350  Camissonia strigulosa R. G. Swinney 2010-4-28 12379 Los Angeles near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0085502  Quercus chrysolepis R. G. Swinney 2010-9-9 13786 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
  RSA0086536  Sanicula tuberosa R. G. Swinney 2011-5-3 14559 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA0086916  Pseudognaphalium californicum R. G. Swinney 2010-8-9 13464 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA0086920  Stephanomeria virgata R. G. Swinney 2010-8-9 13469 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA0086924  Eriogonum gracile R. G. Swinney 2010-6-23 13337 Los Angeles Hansen Dam Flood Control Basin, 0.1-0.4 miles E of Orcas Park on N side of Big Tujunga Wash, east end of survey area due south of Christy Ave. 331 Comment
  RSA0087024  Erodium cicutarium R. G. Swinney 2010-3-18 11979 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
  RSA0087032  Sisymbrium orientale R. G. Swinney 2010-4-13 12207 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0087037  Melilotus albus R. G. Swinney 2010-4-1 12149 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0087039  Camissonia californica R. G. Swinney 2010-3-18 11974 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
  RSA0087041  Opuntia X vaseyi R. G. Swinney 2010-4-1 12171 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash. 331 Comment
  RSA0087043  Melica imperfecta R. G. Swinney 2010-8-9 13457 Los Angeles Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  RSA0087048  Epilobium glaberrimum R. G. Swinney 2010-9-9 13794 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
  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
  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
  RSA0087310  Mentha suaveolens R. G. Swinney 2010-9-13 13828 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
  RSA0087379  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-8-9 13461 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA0087860  Sambucus nigra subsp. caerulea R. G. Swinney 2010-6-21 13278 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0087864  Sisymbrium orientale R. G. Swinney 2010-6-21 13298 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0087878  Phacelia distans R. G. Swinney 2010-3-13 11872 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0087920  Urtica dioica subsp. holosericea R. G. Swinney 2010-8-30 13623 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
  RSA0088104  Rhamnus crocea R. G. Swinney 2010-4-23 12372 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  RSA0088110  Thysanocarpus laciniatus var. laciniatus R. G. Swinney 2010-4-30 12454 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
  RSA0088150  Salvia mellifera R. G. Swinney 2010-5-4 12514 Los Angeles 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
  RSA0088421  Bromus hordeaceus R. G. Swinney 2010-2-27 11759 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  RSA0088567  Filago californica R. G. Swinney 2010-5-11 12696 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA0088569  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-11 12699 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA0088582  Cryptantha muricata R. G. Swinney 2010-5-11 12683 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA0088587  Medicago lupulina R. G. Swinney 2010-9-13 13836 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
  RSA0088589  Eriophyllum wallacei R. G. Swinney 2010-5-11 12672 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA0088592  Muhlenbergia asperifolia R. G. Swinney 2010-9-13 13843 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
  RSA0088597  Sisymbrium irio R. G. Swinney 2010-5-4 12546 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0088599  Phacelia brachyloba R. G. Swinney 2010-5-11 12686 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA0088600  Polypogon monspeliensis R. G. Swinney 2010-5-11 12700 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA0089422  Solanum douglasii R. G. Swinney 2011-3-17 14121 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA0089429  Dryopteris arguta R. G. Swinney 2011-3-17 14128 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA0089507  Eriastrum densifolium R. G. Swinney 2011-6-30 15416 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0089517  Chaenactis xantiana R. G. Swinney 2011-4-20 14434 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA0091076  Stachys bullata R. G. Swinney 2011-4-9 14357 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA0091101  Aquilegia formosa R. G. Swinney 2011-8-17 15649 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091103  Lupinus elatus R. G. Swinney 2011-8-17 15645 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091105  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-6-30 15396 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0091108  Paeonia californica R. G. Swinney 2011-3-22 14186 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA0091111  Melica imperfecta R. G. Swinney 2011-4-28 14545 Los Angeles north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  RSA0091113  Pellaea andromedifolia R. G. Swinney 2010-4-13 12194 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA0091115  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA0091118  Baccharis salicifolia R. G. Swinney 2010-4-15 12252 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  RSA0091151  Aquilegia formosa R. G. Swinney 2011-6-30 15400 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0091155  Lonicera subspicata var. denudata R. G. Swinney 2011-11-1 15959 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0091162  Plagiobothrys arizonicus R. G. Swinney 2011-4-1 14288 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091167  Phacelia fremontii R. G. Swinney 2011-5-12 14664 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA0091169  Layia glandulosa R. G. Swinney 2011-5-12 14662 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA0091317  Gnaphalium stramineum R. G. Swinney 2011-5-26 14878 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
  RSA0091319  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-26 14873 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
  RSA0091336  Mimulus cardinalis R. G. Swinney 2011-6-29 15347 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA0091352  Eriogonum hirtiflorum R. G. Swinney 2011-6-15 15164 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA0091359  Cryptantha pterocarya var. pterocarya R. G. Swinney 2011-4-1 14289 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091361  Salvia dorrii var. pilosa R. G. Swinney 2011-4-1 14315 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091363  Lepidium fremontii R. G. Swinney 2011-4-1 14302 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091365  Phacelia tanacetifolia R. G. Swinney 2011-4-1 14303 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091368  Marah macrocarpa R. G. Swinney 2011-4-1 14298 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091504  Artemisia dracunculus R. G. Swinney 2011-10-10 15739 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
  RSA0091514  Pseudognaphalium californicum R. G. Swinney 2011-6-29 15348 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA0091526  Heliotropium curassavicum var. oculatum R. G. Swinney 2010-6-29 13394 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA0091721  Lathyrus vestitus R. G. Swinney 2011-4-9 14390 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA0091725  Linanthus parryae R. G. Swinney 2011-4-20 14440 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  RSA0091740  Ceanothus leucodermis R. G. Swinney 2011-5-12 14687 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA0091976  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2011-11-1 15949 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0092145  Phacelia distans R. G. Swinney 2011-5-26 14843 Los Angeles San Gabriel Mountains: 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA0092148  Quercus chrysolepis R. G. Swinney 2011-9-22 15684 Los Angeles San Gabriel Mountains: SE side of Camp Colby (Colby Ranch), Colby Gravy marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA0092156  Corethrogyne filaginifolia R. G. Swinney 2011-10-27 15899 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA0092267  Scirpus microcarpus R. G. Swinney 2010-9-13 13827 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. In upper (northern) spring area. 1244 Comment
  RSA0092269  Adiantum capillus-veneris R. G. Swinney 2010-9-13 13818 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
  RSA0092453  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2011-6-23 15286 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  RSA0092455  Wyethia ovata R. G. Swinney 2011-6-23 15293 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  RSA0092458  Eriodictyon parryi R. G. Swinney 2011-5-31 14913 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0092462  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-11-3 15993 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA0092469  Alnus rhombifolia R. G. Swinney 2011-10-27 15911 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA0092487  Eriogonum parishii R. G. Swinney 2010-9-7 13708 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA0092489  Carex R. G. Swinney 2011-5-12 14697 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek. West side of creek. 1183 Comment
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Sep 12 2018
  RSA0094086  Brickellia nevinii Richard G. Swinney 2011-11-3 16000 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA0094179  Scirpus microcarpus R. G. Swinney 2011-10-13 15798 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  RSA0094364  Eschscholzia californica R. G. Swinney 2011-5-31 14923 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0094371  Clarkia xantiana R. G. Swinney 2011-5-31 14922 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0094384  Phacelia ramosissima Richard G. Swinney 2011-5-31 14896 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0094553  Calystegia occidentalis subsp. fulcrata Richard G. Swinney 2011-6-6 15006 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0094555  Claytonia parviflora subsp. viridis Richard G. Swinney 2011-6-6 15008 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0094558  Lupinus formosus subsp. formosus Richard G. Swinney 2011-6-6 15019 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0094562  Erysimum capitatum Richard G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0094716  Salvia mellifera R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14323 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  RSA0094720  Helianthemum scoparium R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14341 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  RSA0095244  Calyptridium monandrum R. G. Swinney 2011-6-7 15025 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1585 Comment
  RSA0096421  Artemisia dracunculus R. G. Swinney 2011-10-27 15920 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  RSA0096428  Hypericum scouleri R. G. Swinney 2011-6-23 15279 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  RSA0096626  Mirabilis laevis R. G. Swinney 2011-3-18 14142 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA0096800  Oxytheca parishii var. parishii R. G. Swinney 2011-9-27 15702 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
  RSA0096804  Penstemon grinnellii R. G. Swinney 2011-10-10 15753 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA0097172  Bromus carinatus var. carinatus R. G. Swinney 2011-6-1 14971 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA0097179  Cryptantha muricata var. denticulata R. G. Swinney 2011-6-1 14977 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA0097610  Bituminaria bituminosa R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14356 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 268 Comment
  RSA0097614  Lupinus truncatus R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14332 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  RSA0098171  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-8-5 15601 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
  RSA0098372  Nemophila menziesii subsp. integrifolia R. G. Swinney 2011-6-6 14995 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA0098379  Vicia americana R. G. Swinney 2011-6-6 14983 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA0098766  Galium aparine R. G. Swinney 2011-5-6 14597 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA0098786  Apocynum cannabinum R. G. Swinney 2011-6-1 14936 B Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA0099421  Trifolium variegatum R. G. Swinney 2011-6-7 15050 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
  RSA0100136  Solanum douglasii R. G. Swinney 2011-3-15 14082 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA0102532  Mimulus cardinalis Richard G. Swinney 2010-9-30 13955 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
  RSA0102537  Euphorbia serpillifolia Richard G. Swinney 2010-9-30 13895 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0102539  Pholistoma membranaceum Richard G. Swinney 2011-4-19 14395 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. Under transmission lines. 945 Comment
  RSA0102541  Lotus nevadensis Richard G. Swinney 2011-6-7 15071 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0102545  Carex multicaulis Richard G. Swinney 2011-6-7 15103 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0103346  Hazardia squarrosa var. grindelioides R. G. Swinney 2011-10-25 15866 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  RSA0103921  Linanthus californicus R. G. Swinney 2011-6-23 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
  RSA0103925  Muhlenbergia rigens R. G. Swinney 2011-10-10 15732 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA0105022  Spartium junceum R. G. Swinney 2011-6-22 15272 Los Angeles San Gabriel Mountains: 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder. 1659 Comment
  RSA0105027  Veronica anagallis-aquatica R. G. Swinney 2011-10-18 15813 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
  RSA0105029  Lupinus excubitus var. hallii R. G. Swinney 2011-4-26 14498 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA0105030  Lotus scoparius var. scoparius R. G. Swinney 2011-4-26 14497 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
  RSA0105034  Penstemon spectabilis subsp. subviscosus R. G. Swinney 2011-4-26 14492 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
  RSA0105155  Selaginella bigelovii R. G. Swinney 2011-10-27 15903 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA0105158  Urtica urens R. G. Swinney 2011-3-15 14098 Los Angeles San Gabriel Mountains: Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park. 232 Comment
  RSA0105162  Cirsium occidentale var. californicum R. G. Swinney 2011-5-12 14673 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy. 1183 Comment
  RSA0105216  Fraxinus uhdei R. G. Swinney 2011-10-27 15929 Los Angeles San Gabriel Mountains: 0.3 miles east (downstream) from entrance gate of Cogswell Dam along FS Route 2N25, West Fork Natl. Scenic Bikeway. 646 Comment
  RSA0105224  Lonicera subspicata var. denudata R. G. Swinney 2011-10-27 15906 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA0105744  Nemacladus glanduliferus R. G. Swinney 2011-7-7 15433 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0105976  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-8 15505 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  RSA0106115  Ceanothus leucodermis R. G. Swinney 2011-3-15 14071 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA0106500  Senecio flaccidus var. douglasii R. G. Swinney 2011-6-29 15334 Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon, confluence with Mill Creek. 1098 Comment
  RSA0106504  Sambucus nigra subsp. caerulea R. G. Swinney 2011-7-29 15558 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0106572  Eriogonum umbellatum var. munzii R. G. Swinney 2011-6-23 15303 B Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA0106728  Phacelia distans R. G. Swinney 2011-6-23 15291 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA0106740  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-19 14761 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  RSA0106744  Galium porrigens R. G. Swinney 2011-6-14 15147 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road. 1646 Comment
  RSA0106851  Elymus glaucus subsp. virescens R. G. Swinney 2011-7-29 15578 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0106853  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-7-29 15580 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0106858  Phacelia mohavensis R. G. Swinney 2011-7-29 15575 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0107432  Quercus X grandidentata Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14354 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead. 268 Comment
  RSA0107437  Nemophila spatulata R. G. Swinney 2011-5-19 14774 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek. 1073 Comment
  RSA0107651  Datisca glomerata R. G. Swinney 2011-6-23 15306 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center. 1582 Comment
  RSA0107655  Aquilegia formosa R. G. Swinney 2011-6-23 15311 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
  RSA0107699  Trifolium obtusiflorum R. G. Swinney 2011-10-18 15846 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA0108836  Cryptantha R. G. Swinney 2010-5-21 12886 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
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Feb 18 2020
  RSA0108881  Mentzelia congesta R. G. Swinney 2010-5-21 12881 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA0108883  Ericameria linearifolia R. G. Swinney 2010-5-21 12872 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA0108888  Galium angustifolium R. G. Swinney 2010-5-21 12876 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy and Mt. Emma Rd. 1299 Comment
  RSA0108891  Solanum douglasii Richard G. Swinney 2010-8-11 13512 Los Angeles San Gabriel Mountains: San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/service road. 595 Comment
  RSA0108893  Artemisia californica Richard G. Swinney 2010-8-11 13509 Los Angeles San Gabriel Mountains: San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/service road. 595 Comment
  RSA0108895  Juniperus californica Richard G. Swinney 2011-4-1 14318 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
  RSA0108898  Phacelia tanacetifolia Richard G. Swinney 2011-4-1 14306 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
  RSA0110195  Emmenanthe penduliflora var. penduliflora Richard G. Swinney 2011-5-16 14721 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA0110198  Cryptantha muricata Richard G. Swinney 2011-5-16 14729 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA0110571  Bromus rubens Richard G. Swinney 2011-4-19 14410 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA0110573  Poa secunda Richard G. Swinney 2011-4-19 14408 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA0110575  Grayia spinosa Richard G. Swinney 2011-4-19 14406 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA0110578  Monolopia lanceolata Richard G. Swinney 2011-4-19 14422 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. Just north of transmission lines. 945 Comment
  RSA0110580  Corallorhiza maculata R. G. Swinney 2011-8-5 15616 Los Angeles San Gabriel Mountains: ridge to immediately west of Lily Spring, c. 300 meters south of Hwy. 2/Angeles Crest Hwy, north slope of Mt. Hawkins. 2427 Comment
  RSA0110584  Trisetum spicatum R. G. Swinney 2011-7-29 15563 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0110590  Dryopteris arguta Richard G. Swinney 2010-6-8 13236 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. 598 Comment
  RSA0110594  Trifolium monanthum var. monanthum Richard G. Swinney 2010-9-30 13901 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0110659  Juncus duranii Richard G. Swinney 2010-9-30 13897 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2(Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0110661  Eriogonum nudum Richard G. Swinney 2010-9-30 13956 Los Angeles San Gabriel Mountains: 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA0110802  Quercus durata var. gabrielensis R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14352 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead. 268 Comment
  RSA0110807  Lupinus truncatus Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14332 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA0110809  Ribes malvaceum var. viridifolium Richard G. Swinney 2011-4-28 14538 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi west to San Gabriel Cyn. Dam. 878 Comment
  RSA0110812  Polypogon semiverticillatus R. G. Swinney 2011-10-18 15820 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
  RSA0110891  Dichelostemma capitatum R. G. Swinney 2011-5-6 14617 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  RSA0110921  Corethrogyne filaginifolia R. G. Swinney 2011-9-22 15672 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area, north of lodge. 976 Comment
  RSA0110923  Carex R. G. Swinney 2010-10-5 13979 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
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Sep 12 2018
  RSA0110925  Helianthus annuus subsp. lenticularis R. G. Swinney 2010-10-5 13982 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA0110928  Festuca microstachys R. G. Swinney 2011-6-7 15075 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0111935  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-8-5 15606 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
  RSA0111942  Larrea tridentata Richard G. Swinney 2011-4-19 14415 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA0111947  Phacelia fremontii Richard G. Swinney 2011-4-19 14401 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA0111949  Eriogonum pusillum Richard G. Swinney 2011-4-19 14400 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA0112057  Melilotus indicus Richard G. Swinney 2011-3-29 14264 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
  RSA0112524  Rhamnus californica subsp. californica Richard G. Swinney 2011-10-13 15786 Los Angeles San Gabriel Mountains: Chilao Flat, jct. of Chilao flat rd. (north entrance) & Silver Moccosin Trail. 1582 Comment
  RSA0112556  Triteleia lugens R. G. Swinney 2011-6-15 15181 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA0112762  Melilotus albus R. G. Swinney 2010-9-30 13904 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0112767  Lotus heermannii var. heermannii R. G. Swinney 2011-3-29 14239 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
  RSA0112769  Camissoniopsis micrantha R. G. Swinney 2011-3-29 14242 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
  RSA0113231  Phacelia brachyloba Richard G. Swinney 2011-3-29 14255 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
  RSA0113233  Mimulus pilosus R. G. Swinney 2010-9-30 13909 Los Angeles San Gabriel Mountains; 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0114805  Phacelia cicutaria var. hispida R. G. Swinney 2011-4-26 14477 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
  RSA0114808  Sonchus oleraceus Richard G. Swinney 2011-10-25 15895 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39. 1006 Comment
  RSA0114811  Solanum umbelliferum R. G. Swinney 2011-5-6 14621 Los Angeles San Gabriel Mountains; north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  RSA0114813  Pellaea andromedifolia R. G. Swinney 2011-10-25 15851 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA0114815  Brassica geniculata R. G. Swinney 2011-10-25 15861 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA0114818  Symphyotrichum greatae R. G. Swinney 2011-10-25 15849 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA0114887  Mentzelia congesta R. G. Swinney 2011-4-26 14504 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
  RSA0115312  Quercus chrysolepis R. G. Swinney 2011-10-27 15909 Los Angeles San Gabriel Mountains; West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA0115406  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13242 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  RSA0115441  Ericameria cooperi R. G. Swinney 2010-6-1 13171 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA0115443  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-6-1 13169 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA0115445  Juncus balticus R. G. Swinney 2011-10-13 15784 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  RSA0115448  Chenopodium R. G. Swinney 2010-10-5 13974 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  RSA0116113  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2010-8-23 13570 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA0116115  Lonicera subspicata R. G. Swinney 2010-8-23 13571 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA0116118  Solidago velutina subsp. californica R. G. Swinney 2011-10-13 15779 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  RSA0116167  Eriogonum davidsonii R. G. Swinney 2011-6-15 15210 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA0116169  Phacelia brachyloba R. G. Swinney 2011-6-15 15208 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA0116182  Epilobium brachycarpum R. G. Swinney 2010-10-5 13985 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA0116187  Claytonia parviflora R. G. Swinney 2011-5-16 14745 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
  RSA0116189  Artemisia douglasiana R. G. Swinney 2011-10-13 15776 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  RSA0116192  Phoradendron tomentosum subsp. tomentosum R. G. Swinney 2011-10-13 15804 Los Angeles San Gabriel Mountains; Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2. 1622 Comment
  RSA0116448  Penstemon grinnellii R. G. Swinney 2010-9-21 13855 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA0116572  Argemone munita R. G. Swinney 2010-9-30 13933 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
  RSA0116655  Carex alma R. G. Swinney 2008-7-2 9135 Los Angeles San Gabriel Mtns.; north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  RSA0116658  Juncus textilis R. G. Swinney 2008-10-10 9580 Los Angeles San Gabriel Mtns.; Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA0116662  Carex subfusca R. G. Swinney 2008-10-16 9596 Los Angeles San Gabriel Mtns.; Jackson Lake, south side of Big Pines Highway. 1872 Comment
  RSA0116687  Antirrhinum coulterianum R. G. Swinney 2010-5-25 12924 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 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
  RSA0116692  Ceanothus oliganthus R. G. Swinney 2010-5-25 12929 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116697  Solidago velutina subsp. californica R. G. Swinney 2010-9-30 13937 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
  RSA0116699  Ribes cereum R. G. Swinney 2010-9-30 13936 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
  RSA0116801  Lonicera subspicata R. G. Swinney 2010-5-25 12923 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116811  Cryptantha simulans R. G. Swinney 2011-6-7 15090 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0116813  Galium angustifolium R. G. Swinney 2011-6-7 15092 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0116815  Veratrum californicum R. G. Swinney 2010-9-30 13927 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
  RSA0116818  Clematis ligusticifolia R. G. Swinney 2010-9-30 13928 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
  RSA0116851  Opuntia phaeacantha R. G. Swinney 2010-6-1 13087 C Los Angeles San Gabriel Mountains; Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA0119514  Camissonia campestris R. G. Swinney 2014-4-23 16171 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E.), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  RSA0119653  Pennisetum setaceum Richard G. Swinney 2014-5-27 16647 A Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin. 445 Comment
  RSA0119658  Lathyrus vestitus subsp. vestitus R. G. Swinney 2014-5-19 16580 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  RSA0119667  Stellaria media R. G. Swinney 2014-5-15 16521 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
  RSA0119669  Descurainia pinnata subsp. glabra R. G. Swinney 2014-4-30 16264 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA0120026  Stylocline psilocarphoides R. G. Swinney 2014-4-30 16295 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA0121823  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 2009-5-9 10704 Los Angeles Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 Comment
  RSA0127624  Opuntia basilaris var. brachyclada Richard G. Swinney 2014-4-23 16175 Los Angeles San Gabriel Mountains/Mojave Desert: east of Valyermo, 3.1 miles south of Hwy 138 on Bob's Gap Rd (15th St E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  RSA0128635  Arabis repanda R. G. Swinney 1998-8-31 6883 Los Angeles San Antonio Ridge, 1.1 mi. west of Baldy, east of saddle. 2415 Comment
  RSA0129467  Boechera pulchra R. G. Swinney 1999-6-18 7309 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  RSA516971  Stephanomeria cichoriacea R. G. Swinney 1989-5-16 s.n Los Angeles Big Dalton Canyon, Glendora Wilderness Park, 1.6 mi. NE of Glendora Mtn Rd. 457 Comment
  RSA574299  Lotus salsuginosus var. salsuginosus R. G. Swinney 1994-3-19 2717 Los Angeles Glendora, 2.5 mi. W of Big Dalton Canyon Rd at Glendora Mountain Road, ca 100 m below (S) of road 548 Comment
  RSA574343  Cryptantha muricata R. G. Swinney 1994-5-12 2844 Los Angeles Glendora Mountain Rd., 2.5 mi. N of jct with Big Dalton Canyon Rd. 518 Comment
  RSA575100  Yucca brevifolia Richard G. Swinney 1994-6-12 2940 Los Angeles Near entrance to Jubilee Scout Ranch, 2 mi S of Hwy 138. Just W of San Bernadino County line. Approx 200 m W of Boneyard Canyon. Eastern San Gabriel Mtns. 1341 Comment
  RSA575101  Eriogonum fasciculatum var. polifolium R. G. Swinney 1994-6-12 2939 Los Angeles Eastern San Gabriel Mountains: ca. 200 m west of Boneyard Canyon, 2 miles S of Hwy 138, just W of San Bernardino County line 1341 Comment
  RSA596449  Lotus heermannii var. heermannii R. G. Swinney 1989-8-6 s.n. Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton debris basin. 365 Comment
  RSA598257  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 1969-6-25 160 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. 426 Comment
  RSA598266  Eriogonum fasciculatum var. foliolosum R. G. Swinney 1989-11-24 1474 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road. 442 Comment
  RSA598268  Conyza canadensis R. G. Swinney 1989-11-24 1496 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon area. Big Dalton Debris Basin. 365 Comment
  RSA598269  Gnaphalium microcephalum R. G. Swinney 1989-8-6 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton debris basin, in a disturbed area. 365 Comment
  RSA598806  Umbellularia californica R. G. Swinney 1989-11-24 1489 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 442 Comment
  RSA598809  Lobularia maritima R. G. Swinney 1989-11-24 1474 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 442 Comment
  RSA598812  Salsola tragus R. G. Swinney 1989-11-24 1476 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road 1.4 mi. NE of Glendora Mountain Road. 457 Comment
  RSA712176  Larrea tridentata R. G. Swinney 1997-9-6 5866 Los Angeles San Gabriel Mtns.: Desert slope. 223rd St., 0.5 mi S of Fort Tejon Rd; about 30 ft E of road 1195 Comment
  RSA717856  Guillenia lasiophylla R. G. Swinney 1997-5-13 5518 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  RSA717859  Bromus tectorum R. G. Swinney 1997-4-25 5511 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  RSA717950  Eriogonum fasciculatum var. polifolium R. G. Swinney, Dave Larson 1996-8-7 5242 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s. 1524 Comment
  RSA717951  Lotus crassifolius var. crassifolius R. G. Swinney, Dave Larson 1996-8-7 5243 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at Dry Lake, site of CCC camp in 1930s. 1524 Comment
  RSA718027  Astragalus leucolobus R. G. Swinney 1996-5-27 4746 Los Angeles NW of Wrightwood, c. 200 m N of Hwy. 2 at Mountain High Ski Resort, east runway. 11S MJ-3E, 0N 2073 Comment
  RSA718095  Elymus stebbinsii R. G. Swinney, Dave Larson 1996-7-17 5114 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA718114  Arenaria macradenia var. arcuifolia R. G. Swinney 1997-6-13 5573 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  RSA718215  Eriogonum nudum var. pauciflorum R. G. Swinney 1997-6-13 5577 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  RSA718265  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  RSA718272  Claytonia exigua subsp. exigua R. G. Swinney 1998-4-14 5996 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  RSA719054  Viola pedunculata R. G. Swinney 1998-4-13 5951 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 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
  RSA719113  Eriogonum parishii R. G. Swinney 1997-8-6 5761 Los Angeles Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood. 1890 Comment
  RSA719576  Muhlenbergia californica R. G. Swinney 1997-7-22 5695 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
  RSA719578  Prunus virginiana subsp. demissa R. G. Swinney 1997-7-22 5693 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
  RSA719579  Veratrum californicum Richard G. Swinney 1997-7-22 5691 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
  RSA719590  Crepis acuminata R. G. Swinney 1997-7-17 5687 Los Angeles Summit of Table Mountain, NW of Wrightwood. 2277 Comment
  RSA719591  Galium parishii R. G. Swinney 1997-7-17 5686 Los Angeles Summit of Table Mountain, NW of Wrightwood. 2277 Comment
  RSA719632  Parietaria hespera R. G. Swinney 1998-2-16 5895 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  RSA719732  Garrya veatchii R. G. Swinney 1996-8-7 5214 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  RSA719753  Monardella saxicola R. G. Swinney, D. W. Larson 1996-7-17 5152 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, S base of Culver Peak, about 0.3 mil (airline) W of head of Cat Canyon 1585 Comment
  RSA719927  Capsella bursa-pastoris R. G. Swinney 1998-2-16 5900 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  RSA720397  Thalictrum fendleri var. fendleri R. G. Swinney 1997-7-22 5716 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
  RSA721483  Phoradendron serotinum subsp. tomentosum R. G. Swinney 1995-4-4 3475 Los Angeles Glendora, Glendora Wilderness Park, upper E-facing slope of Mystic Canyon along upper Mystic Canyon trail, c. 0.4 mi. N of Big Dalton Cyn Rd. 488 Comment
  RSA725836  Barbarea orthoceras R. G. Swinney 1997-7-17 5682 Los Angeles West of Wrightwood, meadow at Pig Pines, south of junction of Hwy 2 and Big Pines Hwy. 2061 Comment
  RSA725839  Amelanchier pallida R. G. Swinney 1997-7-16 5661 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood. 1921 Comment
  RSA725844  Sisyrinchium bellum Richard G. Swinney 1997-7-16 5668 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  RSA725860  Cryptantha intermedia R. G. Swinney 1998-5-9 6050 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  RSA725861  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  RSA725885  Eriogonum pusillum R. G. Swinney 1997-6-25 5642 Los Angeles San Gabriel Mountains: southwest of Wrightwood, Blue Ridge ca. 0.5 mi. W of Guffy Camp, Forest Service Rd. 3N06, ca. 5.1 miles east of Hwy 2. 2518 Comment
  RSA726043  Syntrichopappus fremontii R. G. Swinney 1998-4-14 6004 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  RSA727244  Melica stricta R. G. Swinney 1998-6-12 6192 Los Angeles NW of Jackson Lake at Ball Flat, 0.3 mi north of Big Pines Hwy on 4N16, Ball Flats Rd. 1866 Comment
  RSA727272  Githopsis diffusa subsp. diffusa R. G. Swinney 1998-5-30 6153 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA729093  Phacelia distans R. G. Swinney 1999-6-28 7461 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, south of Mescal highlands Rd. 1506 Comment
  RSA729186  Poa annua R. G. Swinney 1998-7-10 6414 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with riparian forest of Alnus rhombifolia, surrounded by montane coniferous forest and chaparral. 1585 Comment
  RSA729189  Mimulus floribundus R. G. Swinney 1999-5-15 7152 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  RSA729226  Gayophytum diffusum subsp. parviflorum R. G. Swinney 1998-7-10 6401 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2. 2250 Comment
  RSA729228  Scirpus microcarpus R. G. Swinney 1998-7-10 6412 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with riparian forest of Alnus rhombifolia, surrounded by montane coniferous forest and chaparral. 1585 Comment
  RSA729229  Carex subfusca R. G. Swinney 1998-7-14 6416 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  RSA729234  Solanum umbelliferum R. G. Swinney 1998-7-10 6403 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2. 2250 Comment
  RSA729303  Elymus elymoides R. G. Swinney 1998-7-2 6210 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729322  Artemisia ludoviciana R. G. Swinney 1999-7-28 7576 Los Angeles East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch. 732 Comment
  RSA729342  Adiantum aleuticum R. G. Swinney 1999-6-25 7399 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  RSA729350  Layia glandulosa R. G. Swinney 1999-5-1 7094 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
  RSA729351  Chaenactis stevioides R. G. Swinney 1999-5-1 7086 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
  RSA729393  Linanthus pungens R. G. Swinney 1998-7-21 6488 Los Angeles Fish Fork Trail, 1.9 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2134 Comment
  RSA729417  Chaenactis glabriuscula R. G. Swinney 1998-6-12 6956 Los Angeles NW of Jackson Lake at Ball Flat, 0.7 mi north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  RSA729456  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6326 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA729458  Lotus crassifolius var. crassifolius R. G. Swinney 1998-7-8 6321 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA729459  Ceanothus cordulatus R. G. Swinney 1998-7-8 6319 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA729487  Horkelia rydbergii R. G. Swinney 1999-6-21 7387 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  RSA729517  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6693 Los Angeles Falls Gulch, waterfall 100m above confluence with upper East Fork San Gabriel River. 1037 Comment
  RSA729556  Lepidium virginicum R. G. Swinney 1998-8-6 6696 Los Angeles upper East Fork San Gabriel River, at cliff seep c. 100m below Falls Gulch. 1000 Comment
  RSA729558  Carex alma R. G. Swinney 1999-7-14 7556 Los Angeles San Gabriel Mtns.: Allison Gulch, at confluence with East Fork San Gabriel River Canyon 732 Comment
  RSA729559  Elymus stebbinsii R. G. Swinney 1999-7-14 7557 Los Angeles San Gabriel Mtns.: Allison Gulch, at confluence with East Fork San Gabriel River Canyon 732 Comment
  RSA729567  Sisyrinchium bellum Richard G. Swinney 1998-7-21 6477 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
  RSA729573  Aspidotis californica R. G. Swinney, D. W. Larson 1999-5-15 7145 Los Angeles San Gabriel Mtns.: Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 549 Comment
  RSA729594  Agrostis exarata R. G. Swinney, D. W. Larson 1999-7-21 7563 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, 200m below Fern Dam #1, NE Browns Flat. 1341 Comment
  RSA729604  Thalictrum fendleri var. polycarpum R. G. Swinney 1998-7-10 6366 Los Angeles confluence of Bear Gulch and Prairie Fork Canyon, souh side of canyon along Prairie Fork sream. Riparian zone in mantane coniferous forest; with Alnus rhombifolia. 1488 Comment
  RSA729656  Carex athrostachya R. G. Swinney 1998-9-7 6938 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  RSA729658  Cryptantha oxygona R. G. Swinney 1998-7-2 6257 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729659  Collinsia torreyi var. wrightii R. G. Swinney 1998-7-2 6263 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.8 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  RSA729667  Allophyllum gilioides subsp. violaceum R. G. Swinney 1998-7-10 6356 Los Angeles San Gabriel Mtns.: Prairie Fork, 300 m west of Cabin Flats Campground. 1598 Comment
  RSA729694  Mentzelia laevicaulis R. G. Swinney 1998-8-28 6855 Los Angeles San Gabriel Mtns.: Stoddard Canyon at Stoddard Falls 915 Comment
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Dec 10 2020
  RSA729717  Purshia tridentata var. glandulosa R. G. Swinney 1999-6-18 7318 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  RSA729756  Aquilegia formosa R. G. Swinney 1999-7-28 7593 Los Angeles Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon. 1098 Comment
  RSA729758  Achnatherum occidentale subsp. pubescens R. G. Swinney 1998-7-10 6407 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA729759  Fraxinus dipetala R. G. Swinney 1998-8-10 6727 Los Angeles San Gabriel Mtns.: Cattle Canyon, west of (downstream from) Thompson Flat. 671 Comment
  RSA729767  Muhlenbergia rigens R. G. Swinney 1998-8-6 6719 Los Angeles upper East Fork San Gabriel River, at cliff seep c. 100m below Falls Gulch. 1000 Comment
  RSA729773  Juniperus occidentalis var. australis R. G. Swinney 1999-8-9 7601 Los Angeles eastern end of Big Horn Ridge, SW of Mt. San Antonio. Ridge top; montane coniferous forest. 2793 Comment
  RSA729787  Dudleya saxosa R. G. Swinney 1998-6-12 6967 Los Angeles San Gabriel Mtns.: 3 miles west of Pinion Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek. 1378 Comment
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May 25 2011
  RSA729837  Asclepias fascicularis R. G. Swinney 1999-6-21 7355 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA729842  Nicotiana attenuata R. G. Swinney 1999-6-18 7335 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA729850  Galium johnstonii R. G. Swinney 1998-9-4 6923 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA729851  Mimulus guttatus R. G. Swinney, A. C. Sanders 1998-8-28 6833 Los Angeles San Gabriel Mtns.: Stoddard Canyon at 'Stoddard Falls' 915 Comment
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Dec 10 2020
  RSA729855  Viola pinetorum subsp. pinetorum R. G. Swinney 1998-8-27 6826 Los Angeles West Baldy Peak. 3018 Comment
  RSA729874  Arctostaphylos glauca R. G. Swinney 1999-6-5 7247 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA729893  Chimaphila menziesii R. G. Swinney 1998-8-31 6861 Los Angeles San Antonio Ridge, 1.1 mi. west of Baldy, east of saddle. West-facing slope. 2415 Comment
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Sep 13 2011
  RSA729956  Descurainia pinnata R. G. Swinney 1999-4-5 7039 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  RSA729959  Melica imperfecta R. G. Swinney, D. W. Larson 1999-6-25 7406 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  RSA729967  Adiantum capillus-veneris R. G. Swinney, D. W. Larson 1999-5-15 7147 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  RSA730065  Juncus balticus subsp. ater R. G. Swinney 1999-5-8 7135 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  RSA730072  Achnatherum coronatum R. G. Swinney, D. W. Larson 1999-5-29 7220 Los Angeles San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork 600 m north of confluence with East Fork Comment
  RSA730080  Gilia leptantha subsp. transversa R. G. Swinney 1999-6-5 7257 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA730081  Camissonia campestris subsp. campestris R. G. Swinney 1999-6-5 7258 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA730167  Erysimum capitatum R. G. Swinney 1998-7-2 6201 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA730173  Eriogonum baileyi var. baileyi R. G. Swinney 1998-9-4 6884 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  RSA730247  Phacelia distans R. G. Swinney 1999-6-5 7267 Los Angeles San Gabriel Mtns.: ridge extending west from Big John Peak, above Big John Flat 1799 Comment
  RSA730253  Viola sheltonii R. G. Swinney, D. W. Larson 1999-6-25 7419 Los Angeles San Gabriel Mtns.: south fork of Fern Canyon, NE of Browns Flat 1280 Comment
  RSA730279  Aralia californica R. G. Swinney 1998-8-5 6634 Los Angeles San Gabriel Mtns.: Bear Gulch, 0.3 miles norht of confluene with Prairie Fork, SW of Wrightwood 1524 Comment
  RSA730310  Stephanomeria virgata R. G. Swinney 1998-9-4 6911 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA730311  Nicotiana attenuata R. G. Swinney 1998-9-4 6912 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA730315  Ribes cereum var. cereum R. G. Swinney 1998-9-4 6908 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA730702  Rubus discolor R. G. Swinney 1997-5-31 5536 Los Angeles near Mt. Baldy School, south of Mt. Baldy village, c. 75 m east of San Antonio Canyon. 1280 Comment
  RSA730718  Agoseris grandiflora R. G. Swinney 1997-6-13 5583 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. 1829 Comment
  RSA731968  Pectocarya penicillata R. G. Swinney 2001-4-18 7890 Los Angeles Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge.Sandy granitic soil in flat sandy area. 1223 Comment
  RSA732783  Caulanthus heterophyllus R. G. Swinney 2000-6-25 7798 Los Angeles West tributary of San Antonio Canyon, between Evey and Spruce canyons. 939 Comment
  RSA732820  Collinsia heterophylla R. G. Swinney 2000-5-21 7776 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  RSA732821  Cardamine californica R. G. Swinney 2000-5-21 7775 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station, ca. 1000m. 610 Comment
  RSA732845  Tetradymia axillaris var. longispina R. G. Swinney 2001-5-18 7930 Los Angeles 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
  RSA732852  Lonicera interrupta R. G. Swinney 2001-6-2 7960 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  RSA732913  Juncus balticus subsp. ater R. G. Swinney 1997-6-19 5620 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  RSA732926  Adiantum jordanii R. G. Swinney 2000-5-21 7774 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon., 0.6 air mi. SW of Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  RSA732928  Chaenactis glabriuscula R. G. Swinney 2000-5-20 7695 Los Angeles NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch north of Hwy 39 610 Comment
  RSA732934  Guillenia lasiophylla R. G. Swinney 1998-8-1 6615 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  RSA732946  Platanthera sparsiflora Richard G. Swinney 1999-8-14 7624 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4 air mi WSW of Dawson Peak 2146 Comment
  RSA733087  Sarcodes sanguinea R. G. Swinney 2001-6-20 7991 Los Angeles Summit of Mt. Lewis, NW of Dawson Saddle. 2524 Comment
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Feb 6 2013
  RSA733124  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 1998-7-24 6574 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge. 2200 Comment
  RSA733136  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-8-1 6618 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
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Mar 14 2010
  RSA733161  Euphorbia palmeri R. G. Swinney 1997-6-13 5596 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  RSA733172  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6682 Los Angeles San Gabriel Mtns.: Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River. 1037 Comment
  RSA733180  Aquilegia formosa R. G. Swinney 1998-8-6 6676 Los Angeles Falls Gulch, waterfall 100m above confluence with upper East Fork San Gabriel River. 1037 Comment
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Aug 10 2009
  RSA733181  Aralia californica R. G. Swinney 1998-8-21 6784 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  RSA733225  Hieracium argutum R. G. Swinney 1998-8-17 6766 Los Angeles Upper Coldwater Canyon at NE end of Heaton Flat Trail 1244 Comment
  RSA733284  Monardella breweri R. G. Swinney 2001-5-17 7950 Los Angeles San Gabriel Mtns./Mojave Desert: Largo Vista area, along Panorama Rd. c. I mile west of Largo Vista Rd. 1338 Comment
  RSA733387  Phacelia imbricata subsp. patula R. G. Swinney 2001-6-16 7986 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
  RSA733394  Mentzelia R. G. Swinney 2001-6-16 7976 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
  RSA733442  Layia glandulosa R. G. Swinney 2001-4-18 7877 Los Angeles San Gabriel Mtns./Mojave Desert: Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge, +/-1000m. Comment
  RSA733555  Dudleya lanceolata R. G. Swinney 1998-8-21 6779 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  RSA733593  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-7-29 6545 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
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Mar 14 2010
  RSA733674  Cheilanthes covillei R. G. Swinney 1998-8-5 6649 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  RSA733750  Chorizanthe staticoides R. G. Swinney 2000-5-20 7694 Los Angeles NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch north of Hwy 39. 610 Comment
  RSA733755  Medicago sativa R. G. Swinney 2000-5-28 7790 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Redbox Road 3.1 mi. SW of Hwy 39 at Rincon Station 305 Comment
  RSA733774  Lupinus latifolius var. parishii R. G. Swinney 1998-7-29 6531 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp. 2110 Comment
  RSA746410  Microseris lindleyi R. G. Swinney 2008-5-12 8836 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA746415  Coreopsis bigelovii R. G. Swinney 2008-5-12 8831 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA746572  Mimulus rubellus R. G. Swinney 2008-5-13 8864 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA746624  Eucrypta chrysanthemifolia R. G. Swinney 2008-4-10 8636 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  RSA746638  Lessingia glandulifera var. glandulifera R. G. Swinney 2008-6-4 8943 Los Angeles Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  RSA746772  Silene gallica R. G. Swinney 2008-4-17 8692 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA746843  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  RSA746960  Lupinus longifolius R. G. Swinney 2008-4-30 8714 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA746961  Cryptantha microstachys R. G. Swinney 2008-4-30 8706 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Monroe Canyon. 549 Comment
  RSA746965  Rhus ovata R. G. Swinney 2008-4-1 8603 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  RSA747005  Chaenactis glabriuscula R. G. Swinney 2005-4-9 8211 Los Angeles San Dimas, Sycamore Canyon 396 Comment
  RSA747053  Lolium perenne R. G. Swinney 2008-5-30 8901 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA747076  Setaria parviflora R. G. Swinney 2008-5-30 8894 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA747078  Ficus carica R. G. Swinney 2008-5-30 8897 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  RSA747079  Achnatherum coronatum R. G. Swinney 2008-5-30 8902 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA747145  Arenaria macradenia R. G. Swinney 2008-5-8 8805 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA747152  Gilia R. G. Swinney 2008-5-8 8810 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
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Dec 7 2018
  RSA747184  Lycium cooperi R. G. Swinney 2008-6-9 8965 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA747197  Heliotropium curassavicum R. G. Swinney 2005-8-5 8367 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  RSA747224  Mentzelia micrantha R. G. Swinney 2008-4-10 8627 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  RSA747261  Corethrogyne filaginifolia var. filaginifolia R. G. Swinney 2005-8-22 8509 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon 1280 Comment
  RSA747272  Muhlenbergia asperifolia R. G. Swinney 2005-8-22 8521 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon 1280 Comment
  RSA747347  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2008-5-8 8788 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA747353  Centrostegia thurberi R. G. Swinney 2008-5-8 8803 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA747376  Cercocarpus ledifolius var. ledifolius R. G. Swinney 2008-6-10 8989 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  RSA747408  Gilia R. G. Swinney 2008-6-9 8969 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
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Dec 7 2018
  RSA747409  Juncus balticus subsp. ater R. G. Swinney 2008-6-9 8960 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA747412  Stephanomeria parryi R. G. Swinney 2008-6-9 8963 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA747462  Carpobrotus chilensis R. G. Swinney 2008-4-4 8610 Los Angeles lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA747554  Lupinus truncatus R. G. Swinney 2008-4-11 8666 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA747671  Arceuthobium campylopodum R. G. Swinney 2001-9-15 8149 Los Angeles San Gabriel Mountains: Little Jimmy Campground on Pacific Crest Trail. 2268 Comment
  RSA747675  Chrysothamnus nauseosus subsp. mohavensis R. G. Swinney 2001-9-15 8153 Los Angeles San Gabriel Mountains: Mt Islip. 2512 Comment
  RSA747682  Penstemon caesius R. G. Swinney 2001-8-27 8104 Los Angeles San Gabriel Mountains: Mt. Burnham, west of Mt. Baden-Powell. 2740 Comment
  RSA747975  Elymus glaucus R. G. Swinney 2001-8-27 8116 Los Angeles San Gabriel Mtns.: Windy Spring, 0.3 mi. NW of Little Jimmy Campground. 2256 Comment
  RSA747982  Chorizanthe perfoliata R. G. Swinney 2005-5-14 8233 Los Angeles San Gabriel Mtns. N of Juniper Hills, S of Pear Blossom, SE corner of Tejon Road and Longview Rd. (131st street). 1091 Comment
  RSA748059  Chenopodium pratericola R. G. Swinney 2005-7-21 8329 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA748073  Epilobium ciliatum R. G. Swinney 2001-9-15 8182 Los Angeles San Gabriel Mountains: Little Jimmy Spring. 2256 Comment
  RSA748403  Salix exigua R. G. Swinney 2008-4-4 8605 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA748674  Cryptantha muricata R. G. Swinney 2008-3-31 8596 Los Angeles Glendora Mountain summit 1003 Comment
  RSA748742  Claytonia perfoliata R. G. Swinney 2008-3-31 8586 Los Angeles Glendora Mountain summit 1003 Comment
  RSA748751  Datisca glomerata R. G. Swinney 2005-8-15 8477 Los Angeles Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon. 1341 Comment
  RSA748793  Leptodactylon pungens R. G. Swinney 2001-8-9 8014 Los Angeles Mount Williamson, second peak from east on the ridge. 2494 Comment
  RSA748804  Ribes nevadense R. G. Swinney 2001-8-11 8043 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  RSA748858  Carex fracta R. G. Swinney 2001-8-27 8092 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2463 Comment
  RSA748887  Platanthera leucostachys Richard G. Swinney 2001-8-11 8034 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  RSA748894  Viola purpurea R. G. Swinney 2005-5-21 8257 Los Angeles West of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek. 1241 Comment
  RSA749037  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA749074  Sisymbrium altissimum R. G. Swinney 2005-8-11 8448 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA749118  Chenopodium berlandieri R. G. Swinney 2005-8-5 8387 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA749119  Polygonum aviculare R. G. Swinney 2005-8-5 8396 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  RSA749656  Luzula comosa var. laxa R. G. Swinney 2001-9-15 8176 Los Angeles Little Jimmy Spring 2256 Comment
  RSA749659  Schoenoplectus acutus var. occidentalis R. G. Swinney 2005-8-5 8365 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  RSA750098  Pseudognaphalium biolettii R. G. Swinney 2008-4-30 8702 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA750099  Eleocharis palustris R. G. Swinney 2008-4-30 8697 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  RSA755337  Silene parishii R. G. Swinney 2008-7-25 9315 Los Angeles base of east slope of Mt. Waterman along Mt. Waterman Trail 0.4 mi. SW of Hwy 2 2110 Comment
  RSA755456  Eriogonum maculatum R. G. Swinney 2008-10-8 9524 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  RSA755459  Pellaea mucronata subsp. californica R. G. Swinney 2008-7-16 9255 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  RSA755573  Azolla filiculoides R. G. Swinney 2008-9-9 9335 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA755587  Stachys albens R. G. Swinney 2008-7-12 9171 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA755594  Epilobium ciliatum R. G. Swinney 2008-7-15 9238 Los Angeles Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  RSA755617  Crypsis schoenoides R. G. Swinney 2008-9-9 9321 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA755822  Urtica dioica subsp. holosericea R. G. Swinney 2008-7-2 9112 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 and Old Hwy 39 1878 Comment
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Sep 21 2010
  RSA755837  Descurainia pinnata R. G. Swinney 2008-6-17 9045 Los Angeles Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1945 Comment
  RSA755842  Deschampsia elongata R. G. Swinney 2008-7-2 9115 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 1976 Comment
  RSA755874  Penstemon rostriflorus R. G. Swinney 2008-7-16 9248 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  RSA756737  Castilleja minor subsp. spiralis R. G. Swinney 2008-6-24 9095 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  RSA756750  Arceuthobium campylopodum R. G. Swinney 2008-6-17 9049 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26. 2160 Comment
  RSA756751  Ribes nevadense R. G. Swinney 2008-6-18 9076 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  RSA756903  Thinopyrum intermedium R. G. Swinney 2008-6-17 9025 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  RSA756993  Chaenactis santolinoides R. G. Swinney 2008-7-3 9149 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  RSA757063  Bromus grandis R. G. Swinney 2008-6-18 9063 Los Angeles Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  RSA757077  Boykinia rotundifolia R. G. Swinney 2008-9-13 9452 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  RSA757083  Eriogonum wrightii R. G. Swinney 2008-10-8 9514 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  RSA757274  Tamarix ramosissima R. G. Swinney 2008-6-25 9103 Los Angeles Glendora, Harrow Canyon Debris Basin, seep on north-central side. 387 Comment
  RSA757707  Epilobium ciliatum R. G. Swinney 2008-6-24 9092 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  RSA757714  Typha domingensis R. G. Swinney 2008-6-24 9080 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  RSA758711  Avena barbata R. G. Swinney 2008-12-2 9916 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 165 Comment
  RSA758715  Artemisia ludoviciana R. G. Swinney 2008-10-7 9468 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA759010  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-10-8 9539 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA759589  Polypogon monspeliensis R. G. Swinney 1997-9-6 5875 -C Los Angeles San Gabriel Mountains Jackson Lake west of Wrightwood 1875 Comment
  RSA760590  Selaginella bigelovii R. G. Swinney 2009-3-10 10071 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA760591  Rhus integrifolia R. G. Swinney 2009-3-10 10070 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA760595  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2008-12-6 9957 Los Angeles 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
  RSA760600  Chenopodium fremontii R. G. Swinney 2008-8-13 9397 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  RSA760601  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-8-13 9401 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA760605  Datura wrightii R. G. Swinney 2008-12-2 9926 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  RSA760676  Atriplex suberecta R. G. Swinney 2008-12-6 9978 Los Angeles Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA760700  Lolium perenne R. G. Swinney 2008-8-14 9431 Los Angeles South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  RSA761146  Mimulus pilosus R. G. Swinney 2008-10-10 9567 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761148  Cryptantha intermedia R. G. Swinney 2008-10-10 9564 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA761149  Epilobium densiflorum R. G. Swinney 2008-10-10 9562 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761705  Eriogonum umbellatum R. G. Swinney 2008-10-10 9570 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA762337  Epilobium ciliatum R. G. Swinney 2008-10-22 9664 Los Angeles Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  RSA762342  Leptochloa fusca subsp. uninervia R. G. Swinney 2008-10-20 9643 Los Angeles San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA762350  Plantago erecta R. G. Swinney 2009-3-6 10051 Los Angeles 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  RSA762351  Crassula connata R. G. Swinney 2009-3-6 10053 Los Angeles 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  RSA762417  Calocedrus decurrens R. G. Swinney 2008-8-13 9379 Los Angeles Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA762456  Solanum umbelliferum R. G. Swinney 2009-2-20 10025 Los Angeles Mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel. 177 Comment
  RSA762458  Vulpia myuros R. G. Swinney 2009-3-11 10089 Los Angeles San Gabriel Mtns. Foothills Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA762459  Chamaesyce melanadenia R. G. Swinney 2009-3-11 10088 Los Angeles San Gabriel Mtns. Foothills Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA762694  Gnaphalium palustre R. G. Swinney 2008-7-24 9354 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA762704  Mimulus breweri R. G. Swinney 2008-7-24 9344 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA762717  Zannichellia palustris R. G. Swinney 2008-10-20 9652 Los Angeles San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA763106  Gilia R. G. Swinney 2008-8-13 9386 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
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Dec 7 2018
  RSA763108  Symphoricarpos rotundifolius R. G. Swinney 2008-8-13 9361 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  RSA763109  Stachys albens R. G. Swinney 2008-8-13 9362 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  RSA763112  Galium angustifolium R. G. Swinney 2008-8-13 9399 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA763514  Xanthium strumarium R. G. Swinney 2008-11-30 9874 Los Angeles San Gabriel Mtns.: Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  RSA771558  Salix lasiolepis R. G. Swinney 2009-5-28 10946 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771567  Phacelia davidsonii R. G. Swinney 2009-6-2 11021 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA771587  Amsinckia vernicosa R. G. Swinney 2009-5-5 10651 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  RSA771594  Rhamnus californica R. G. Swinney 2009-6-2 11005 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA771604  Orobanche R. G. Swinney 2009-5-28 10972 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771773  Galium hilendiae R. G. Swinney 2009-5-20 10828 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA771851  Eriophyllum confertiflorum R. G. Swinney 2009-5-28 10911 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771904  Trifolium microcephalum R. G. Swinney 2009-6-2 11024 Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA772163  Acamptopappus sphaerocephalus R. G. Swinney 2009-5-12 10741 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg ) of Littlerock 1061 Comment
  RSA772202  Clarkia rhomboidea R. G. Swinney 2009-5-27 10868 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  RSA772288  Mentzelia laevicaulis R. G. Swinney 2009-5-8 10701 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA772292  Lomatium mohavense R. G. Swinney 2009-4-28 10525 Los Angeles summit of Mt. Emma 1585 Comment
  RSA772306  Gilia R. G. Swinney 2009-4-28 10527 -A Los Angeles summit of Mt. Emma. 1585 Comment
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Dec 7 2018
  RSA772308  Chaenactis xantiana R. G. Swinney 2009-4-28 10539 Los Angeles summit of Mt. Emma 1585 Comment
  RSA772370  Phacelia imbricata R. G. Swinney 2009-5-20 10834 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA772371  Rumex salicifolius R. G. Swinney 2009-5-20 10833 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA772382  Eriogonum maculatum R. G. Swinney 2009-5-12 10748 -B Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  RSA772396  Stephanomeria parryi R. G. Swinney 2009-5-12 10721 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  RSA772398  Pectocarya setosa R. G. Swinney 2009-5-12 10725 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  RSA772399  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-12 10726 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  RSA772400  Lupinus bicolor R. G. Swinney 2009-5-12 10727 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge and Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  RSA772401  Centrostegia thurberi R. G. Swinney 2009-5-12 10752 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  RSA773282  Melica imperfecta R. G. Swinney 2009-5-20 10814 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA773296  Muhlenbergia rigens R. G. Swinney 2009-6-3 11050 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773298  Garrya veatchii R. G. Swinney 2009-6-8 11063 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773299  Quercus chrysolepis R. G. Swinney 2009-6-8 11064 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773302  Gayophytum diffusum R. G. Swinney 2009-6-3 11056 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773536  Chorizanthe brevicornu R. G. Swinney 2009-4-29 10563 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA773538  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-4-29 10566 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA773539  Xylorhiza tortifolia var. tortifolia R. G. Swinney 2009-4-29 10567 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA773544  Centrostegia thurberi R. G. Swinney 2009-4-29 10572 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA773610  Phacelia ramosissima R. G. Swinney 2009-6-12 11120 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
  RSA773611  Sonchus asper R. G. Swinney 2009-6-12 11121 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
  RSA773781  Wyethia ovata R. G. Swinney 2009-7-22 11307 Los Angeles summit of Mt. Hillyer, north of Horse Flats 1866 Comment
  RSA773785  Arctostaphylos patula R. G. Swinney 2009-7-22 11303 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 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
  RSA773857  Thinopyrum intermedium R. G. Swinney 2009-8-25 11468 Los Angeles west summit of Table Mountain, NE of Big Pines 2284 Comment
  RSA773910  Holodiscus microphyllus var. microphyllus R. G. Swinney 2009-7-22 11348 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA773911  Epilobium densiflorum R. G. Swinney 2009-7-22 11346 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA773972  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-29 11440 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA773980  Penstemon labrosus R. G. Swinney 2009-7-22 11311 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA773981  Ericameria cuneata R. G. Swinney 2009-7-22 11320 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA774058  Melica imperfecta R. G. Swinney 2009-6-12 11128 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
  RSA774165  Monardella breweri subsp. lanceolata R. G. Swinney 2009-7-22 11338 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA774172  Quercus chrysolepis R. G. Swinney 2009-7-22 11326 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA774180  Chenopodium hians R. G. Swinney 2009-7-22 11333 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA774181  Fremontodendron californicum R. G. Swinney 2009-7-22 11332 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA774240  Calochortus kennedyi Richard G. Swinney 2009-5-5 10628 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA774241  Distichlis spicata R. G. Swinney 2009-5-5 10629 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA774264  Phacelia fremontii R. G. Swinney 2009-5-12 10751 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  RSA774603  Erysimum capitatum R. G. Swinney 2009-7-29 11415 Los Angeles Pacifico Mountain summit 2134 Comment
  RSA774622  Phoradendron pauciflorum R. G. Swinney 2009-7-29 11418 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA774737  Coreopsis bigelovii R. G. Swinney 2009-6-17 11173 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA774750  Viola purpurea R. G. Swinney 2009-6-17 11161 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  RSA774793  Penstemon labrosus R. G. Swinney 2009-7-23 11391 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774804  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-23 11400 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774858  Penstemon grinnellii R. G. Swinney 2009-6-24 11245 Los Angeles summit of Granite Mountain 1988 Comment
  RSA774859  Koeleria macrantha R. G. Swinney 2009-6-24 11244 Los Angeles summit of Granite Mountain 1988 Comment
  RSA774955  Gnaphalium californicum R. G. Swinney 2009-5-6 10686 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA776327  Ericameria linearifolia R. G. Swinney 2009-4-29 10603 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA777524  Eriogonum davidsonii R. G. Swinney 2009-5-20 10839 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA777710  Plagiobothrys tenellus R. G. Swinney 2009-6-2 11020 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA777869  Eriodictyon trichocalyx R. G. Swinney 2009-6-12 11122 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
  RSA778714  Encelia actoni R. G. Swinney 2009-6-17 11209 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA778914  Lonicera interrupta R. G. Swinney 2009-6-17 11216 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA779204  Trifolium obtusiflorum R. G. Swinney 2009-6-8 11071 Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779449  Cercocarpus betuloides R. G. Swinney 2009-6-17 11220 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA780003  Plantago indica R. G. Swinney 2009-4-7 10293 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA780994  Forestiera pubescens R. G. Swinney 2009-5-13 10781 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  RSA781234  Eriogonum pusillum R. G. Swinney 2009-5-13 10789 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA782202  Lotus crassifolius R. G. Swinney 2009-8-25 11479 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782216  Hirschfeldia incana R. G. Swinney 2009-8-25 11498 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782490  Chenopodium murale R. G. Swinney 2009-4-13 10329 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  RSA782491  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2009-4-13 10327 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  RSA787254  Pinus flexilis R. G. Swinney 2001-8-27 8096 Los Angeles Throop Peak, west of Mt. Baden-Powell 2780 Comment
  RSA787282  Stephanomeria virgata R. G. Swinney 2009-7-29 11408 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG93110  Ribes amarum D. Swinney 1990-1-1 1505 Los Angeles Glendora Wilderness Park, Big Dalton Cyn, 0.8 mi E of Glendora Mtn Rd on Big Dalton Cyn Rd 387 Comment
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Mar 6 2013
  SBBG93111  Salix lasiolepis D. Swinney 1990-2-12 1512 Los Angeles near Glendora, Big Dalton Debris Basin 351 Comment
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Mar 3 2013
  SBBG93115  Allium amplectens D. Swinney 1990-2-26 1516 Los Angeles Glendora, 50 to 100 yds N of Morgan Ranch Rd terminus 402 Comment
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Mar 3 2013
  SD197725  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs, on cmapground property. 1000 Comment
  SD197752  Crocanthemum scoparium R. G. Swinney 2008-4-1 8598 Los Angeles San Gabriel Mountains; ridge north of and adjacent to Sharps Canyon, 2.0 miles due north of Glendora. 671 Comment
  SD197846  Papaver californicum R. G. Swinney 2003-5-3 8191 Los Angeles San Gabriel Mountains: Glendora, Big Dalton Canyon Wilderness Park, upper drainage on ridge between Pavil and Pine canyons. 793 Comment
  SD234457  Clarkia epilobioides R. G. Swinney 1998-5-9 6046 Los Angeles San Gabriel Mountains: Fern Canyon, a tributary of Fish Canyon, c. 600 m west of Fish Cyn stream bottom (Azusa 7.5' Q) 395 Comment
  SD234489  Chorizanthe staticoides R. G. Swinney 1998-5-15 6053 Los Angeles San Gabriel Mountains: San Gabriel (Azusa) Canyon, 1.5 mi north of Foothill Blvd. on east side of Encanto Rd. 182 Comment
  SD237365  Cryptantha echinella R. G. Swinney 2009-5-13 10782 Los Angeles Transverse Range; San Gabriel Mtns.: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Re., immediately NW of Cima Mesa, Juniper Hills. 1121 Comment
  SD237468  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles Transverse Range: San Gabriel Mountains: summit of Mt. Emma (Pacifico Mtn 7.5'Q) 1584 Comment
  SD237476  Pholistoma membranaceum R. G. Swinney 2009-4-2 10251 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills/Western Mohave Desert: Bob's Gap, 3.2 miles S of Hwy 138 on E side of Bob's Gap Road (Valyermo 7.5'Q) 1223 Comment
  SD237625  Pedicularis semibarbata R. G. Swinney 2008-7-3 9160 Los Angeles San Gabriel Mountains: Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp (Juniper Hills 7.5'Q) 2329 Comment
  SD239850  Eriogonum baileyi R. G. Swinney 2008-10-8 9523 Los Angeles San Gabriel Mtns.: Ball Flat, north of Jackson Lake. 1878 Comment
  SD239899  Galium johnstonii R. G. Swinney 2008-6-17 9057 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mile NW of Hwy 2 at Vincent Gap on Pinyoon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N 26 (Valyermo 7.5'Q) 2160 Comment
  SD239926  Penstemon rostriflorus R. G. Swinney 2008-7-24 9296 Los Angeles San Gabriel Mtns.: Waterman Mountain. Double peaks on a flat plateau. 2412 Comment
  SD240941  Coronopus didymus R. G. Swinney 2009-4-7 10283 Los Angeles Transverse Ranges: San Gabariel Mountains 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, under 2nd span from west (Azusa 7.5'Q) 184 Comment
  SD241055  Phacelia distans R. G. Swinney 2009-4-7 10290 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills and S.G. Valley: Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd, on west side of San Gaabraiel River channel (Azusa 7.5;Q) 168 Comment
  SD241124  Plantago indica R. G. Swinney 2009-4-7 10293 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley: Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel Rover channel (Axusa 7.5'Q) 168 Comment
  SD241917  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 2009-5-9 10705 Los Angeles Transverse Range; San Gabriel Mountains: Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd., on east side of El Encanto Parkway (Azusa 7.5'Q) 182 Comment
  SD247481  Eriogonum giganteum R. G. Swinney 2009-11-9 11581 Los Angeles Transverse Range; San Gabriel Mountains: confluence of Burro Canyon and East Fork San Gabriel River along Highway 39. 451 Comment
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May 29 2016
  SD248463  Camissonia strigulosa R. G. Swinney 2010-4-28 12379 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Canyon (at Wilson Debris Basin) to 0.5 miles east (upstream) below National Forest boundary (San Fernando 7.5'Q) 487 Comment
  SD253314  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre (Mt. Wilson 7.5'Q) 622 Comment
  SD253328  Allium lacunosum var. davisiae R. G. Swinney 2011-6-7 15041 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road (Chilao Flat 7.5'Q) 1584 Comment
  SD2533403  Cryptantha circumscissa R. G. Swinney 2011-4-1 14297 Los Angeles San Gabriel Mts./SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile S of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 890 Comment
  SD253367  Artemisia dracunculus R. G. Swinney 2011-10-27 15920 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 metrers east of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 648 Comment
  SD253380  Cotula australis R. G. Swinney 2011-3-26 14222 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 Canyon (Glendora 7.5'Q) 476 Comment
  SD253397  Stephanomeria cichoriacea R. G. Swinney 2011-11-3 16001 Los Angeles San Gabriel Mts.: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre (Mt Wilson 7.5'Q) 548 Comment
  SD253417  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-12 14714 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Canyon (Pacifico Mountain 7.5'Q) 1195 Comment
  SD253425  Lonicera subspicata var. denudata R. G. Swinney 2011-11-3 15990 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  SD253452  Lupinus bicolor R. G. Swinney 2011-5-31 14925 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  SD253472  Phacelia brachyloba R. G. Swinney 2011-5-31 14919 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  SD253474  Phacelia minor R. G. Swinney 2010-4-13 12193 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5'Q) 561 Comment
  SD253492  Salvia dorrii var. pilosa R. G. Swinney 2011-4-1 14315 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile south of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 270 Comment
  SD253501  Camissonia strigulosa R. G. Swinney 2011-5-19 14765 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of junction of Colby Ranch Road and FS Rd 3N19, upper Big Tujunga Canyon, between Colby Ranch Road and Coldwater Canyon stream, below abandoned Milley's Apple Orchard (Chilao Flat 7.5'Q) 911 Comment
  SD253506  Cordylanthus rigidus subsp. setiger R. G. Swinney 2011-10-13 15795 Los Angeles San Gabriel Mountains: Chilao Flast, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 (Chilao Flat 7.5'Q) 1622 Comment
  SD253508  Orobanche fasciculata R. G. Swinney 2011-5-12 14688 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mile west of Angeles Forest Hwy (Pacifico Mountain 7.5'Q) 1182 Comment
  SD253520  Plantago lanceolata R. G. Swinney 2011-3-26 14208 Los Angeles San Gabriel Mts. San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1-0.6 mile upstream from confluence with San Dimas Canyon. 476 Comment
  SD253529  Eriogonum hirtiflorum R. G. Swinney 2011-6-15 15164 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, ca. 0.7 road mile NW of S entrance at Angels Crest Highway. 1584 Comment
  SD253538  Rhamnus ilicifolia R. G. Swinney 2011-5-19 14779 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of junction of Colby Ranch Road and FS Rd. 3N19, upper Big Tujunga Canyon, south side of Coldwater Canyon creek (Chilao Flat 7.5'Q) 1073 Comment
  SD253553  Ribes californicum R. G. Swinney 2011-3-26 14211 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  SD253563  Tribulus terrestris R. G. Swinney 2011-10-27 15901 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  SD254672  Penstemon grinnellii var. grinnellii R. G. Swinney 2011-7-29 15580 Los Angeles San Gabriel Mountains; Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins (Crystal Lake 7.5'Q) 2454 Comment
  SD255612  Pennisetum setaceum R. G. Swinney 2011-3-18 14137 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, SE of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  SD255614  Typha latifolia R. G. Swinney 2009-11-16 11645 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Forest Hwy, 150 m north of Aliso Canyon Road (Pacifico Mountain 7.5'Q) 1027 Comment
  SD255776  Juglans californica R. G. Swinney 2010-8-16 13531 Los Angeles San Gabriel Mountains; Arcadia, Big Santa Anita Canyon. 280 Comment
  SD257354  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 mile east of 14 Hwy, at the canyon mouth to 300 meters SE along ridgetip to the east of Whitney Canyon (Oat Mt. 7.5'Q) 441 Comment
  SD260153  Avena barbata R. G. Swinney 2010-5-19 12831 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. 1349 Comment
  SD260163  Stipa speciosa R. G. Swinney 2010-5-19 12823 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd, just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy. 1335 Comment
  SD260234  Nasturtium officinale R. G. Swinney 2009-8-6 11540 Los Angeles Transverse Range; San Gabriel Mountains: San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom. 1073 Comment
  SD260282  Eulobus californicus R. G. Swinney 2010-5-19 12825 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytifcs Station, at end of Pacific Telephone Access Rd., W of Angeles Natl. Forest boundary, 2.05 air miles E of Angeles Forest Hwy., 0.8 miles W of Mt. Emma Rd. 1335 Comment
  SD260284  Erythranthe guttata R. G. Swinney 2011-6-1 14937 A Los Angeles San Gabriel Mountains: Mill Creek, 0.1 - 0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300m upstream, just east of Angeles Forest Hwy. 1096 Comment
  SD260867  Muilla maritima R. G. Swinney 2011-5-31 14932 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1 - 0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. Station Fire burn of 2009. 1096 Comment
  SEINET11156995 Image available Carex athrostachya R. G. Swinney 1999-1 7664 Los Angeles Comment
  SEINET13203128 Image available Centaurea melitensis R. G. Swinney 2010-1 12485 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  SEINET13203144 Image available Gayophytum heterozygum R. G. Swinney 2008-1 9050 Los Angeles San Gabirel Mountains: ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 (Valyermo 7.5' Q.) 2160 Comment
  SEINET13203149 Image available Eriophyllum confertiflorum R. G. Swinney 2010-1 11826 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  SEINET13203206 Image available Juncus rugulosus R. G. Swinney 2011-1 15881 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  SEINET13203218 Image available Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-1 15860 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  SEINET13203223 Image available Mirabilis laevis R. G. Swinney 2011-1 14142 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5' Q.) (T1N R9W S28) 366 Comment
  SEINET13203246 Image available Avena barbata R. G. Swinney 2011-1 14520 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13203251 Image available Pseudognaphalium biolettii R. G. Swinney 2011-1 14517 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13203261 Image available Scrophularia californica R. G. Swinney 2011-1 14612 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road (Glendora 7.5' Q.) (T1N R9W S5; T1N R9W S8) 792 Comment
  SEINET13203271 Image available Elymus elymoides subsp. elymoides R. G. Swinney 2011-1 15487 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
  SEINET13203286 Image available Allophyllum divaricatum R. G. Swinney 2011-1 15454 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  SEINET13276703 Image available Artemisia dracunculus R. G. Swinney 2011-1 15868 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  SEINET13276743 Image available Lasthenia gracilis R. G. Swinney 2011-1 14467 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy (Palmdale 7.5' Q.) (T5N R12W S23) 1000 Comment
  SEINET13276790 Image available Epilobium canum subsp. canum R. G. Swinney 2011-1 15917 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5' Q.) 649 Comment
  SEINET13276792 Image available Mimulus guttatus R. G. Swinney 2011-1 14471 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13276794 Image available Collinsia heterophylla var. austromontana R. G. Swinney 2011-1 14494 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13276799 Image available Stephanomeria virgata subsp. virgata R. G. Swinney 2011-1 15877 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  SEINET13276806 Image available Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-1 14488 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13276818 Image available Phacelia ramosissima R. G. Swinney 2011-1 15452 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  SEINET13276833 Image available Agrostis exarata R. G. Swinney 2011-1 15724 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 (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  SEINET13276837 Image available Quercus chrysolepis R. G. Swinney 2011-1 15166 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  SEINET13276846 Image available Corethrogyne filaginifolia R. G. Swinney 2011-1 15731 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 (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  SEINET13297583 Image available Lathyrus vestitus R. G. Swinney 2011-1 14490 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13297599 Image available Penstemon centranthifolius R. G. Swinney 2011-1 14555 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center (Mint Canyon 7.5' Q.) 488 Comment
  SEINET13383115 Image available Eucalyptus camaldulensis R. G. Swinney 2010-1 12109 Los Angeles San Gabriel Moutains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  SEINET13383141 Image available Atriplex canescens R. G. Swinney 2010-1 13076 Los Angeles San Gabriel Mountains: Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  SEINET13384011 Image available Veronica anagallis-aquatica R. G. Swinney 2010-1 12327 Los Angeles San Gabriel Mountains: Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  SEINET13386953 Image available Lamarckia aurea R. G. Swinney 2010-1 12443 Los Angeles San Gabriel Mountains: 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. 536 Comment
  SEINET13386963 Image available Bromus hordeaceus R. G. Swinney 2010-1 12444 Los Angeles San Gabriel Mountains: 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. 536 Comment
  SEINET13387003 Image available Ericameria pinifolia R. G. Swinney 2011-1 15688 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge (Chilao Flat 7.5' Q.) (T3N R12W S35) 1009 Comment
  SEINET13387007 Image available Cercocarpus betuloides var. betuloides R. G. Swinney 2011-1 14591 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break (Glendora 7.5' Q.) (T1N R9W S8) 1006 Comment
Read comments
Oct 19 2018
  SEINET13387010 Image available Lathyrus vestitus R. G. Swinney 2011-1 14190 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  SEINET13387012 Image available Urtica dioica subsp. holosericea R. G. Swinney 2011-1 15966 Los Angeles San Gabriel Mountains: West Fork San Gabriel Canyon, West Fork Natl. Scenic Bikeway, 50 meters S of Pasadena Bait Club, 1.68 miles below Glen Cyn. Campground (Azusa 7.5'Q.) 585 Comment
  SEINET13387014 Image available Pellaea andromedifolia R. G. Swinney 2011-1 15956 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  SEINET13387019 Image available Ageratina adenophora R. G. Swinney 2011-1 14067 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wison 7.5' Q.) (T1N R11W S15) 232 Comment
  SEINET13387026 Image available Penstemon centranthifolius R. G. Swinney 2011-1 15169 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  SEINET13387036 Image available Lupinus formosus R. G. Swinney 2011-1 15158 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  SEINET13387043 Image available Epilobium canum subsp. latifolium R. G. Swinney 2011-1 15725 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  SEINET13387118 Image available Rumex conglomeratus R. G. Swinney 2011-1 15412 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  SEINET13387123 Image available Phacelia brachyloba R. G. Swinney 2011-1 15420 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), south end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  SEINET2473467 Image available Festuca microstachys Richard G. Swinney 2009-1 10479 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert; Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 960 Comment
  SEINET3095961 Image available Emmenanthe penduliflora R. G. Swinney 2009-4-2 10261 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  SEINET3101626 Image available Pholistoma membranaceum Richard G. Swinney 2009-4-2 10251 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1223 Comment
  SEINET3245917  Chaenactis glabriuscula R. G. Swinney 2008-1 8566 Los Angeles San Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn. 354 Comment
  SEINET3245935  Dysphania botrys R. G. Swinney 2009-1 11495 Los Angeles Transverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd.(Mescal Creek 7.5') 2060 Comment
  SEINET3245936  Mimulus guttatus R. G. Swinney 2009-1 11494 Los Angeles Transverse Range: San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2060 Comment
  SEINET3245937  Eriastrum sapphirinum R. G. Swinney 2009-1 10704 Los Angeles Transverse Range; San Gabriel Mtns.: Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction (Azusa 7.5') 226 Comment
  SEINET3245960  Clarkia rhomboidea R. G. Swinney 2009-1 10868 Los Angeles Transverse Range; San Gabriel Mtns.: Sulphur Springs Campground, streamside from campground to 300 m downstream (Waterman Mtn. 7.5') 1585 Comment
  SEINET3245992  Gnaphalium palustre R. G. Swinney 2009-1 11471 Los Angeles Tranverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. Mescal Creek. 628 Comment
  SEINET3245993  Chenopodium R. G. Swinney 2009-1 11488 Los Angeles Transverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 628 Comment
  SEINET3271566 Image available Deschampsia danthonioides R. G. Swinney 2008-7-24 9336 Los Angeles San Gabriel Mtns.; Waterman Mountain, ski runway on east-facing slope 2390 Comment
  SEINET3271567 Image available Crypsis schoenoides R. G. Swinney 2008-9-9 9321 Los Angeles San Gabriel Mtns. Little Rock Creek, 0.2 mi north of Little Rock Reservoir. 960 Comment
  SEINET3859853  Hedypnois cretica R. G. Swinney 2009-3-26 10163 Los Angeles San Gabriel Mtns. Foothills: Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park.; 0 296 Comment
  SEINET3859872  Chaenactis stevioides R. G. Swinney 2009-4-24 10458 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  SEINET3860004  Thysanocarpus curvipes R. G. Swinney 2009-4-24 10491 B Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 mi. below (north of) Littlerock Creek Dam.; 0 963 Comment
  SEINET3860008  Stanleya pinnata R. G. Swinney 2009-4-24 10433 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campground.; 0 915 Comment
  SEINET3860013  Pectocarya linearis R. G. Swinney 2009-4-24 10459 A Los Angeles Transverse Ranges: San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campgroudn.; 0 915 Comment
  SEINET3860021  Cryptantha intermedia R. G. Swinney 2009-4-21 10416 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Gabriel Canyon was, 0.4-1.0 mi. north (upstream) of Puente Largo bridge.; 0 192 Comment
  SEINET3860089  Atriplex suberecta R. G. Swinney 2009-3-16 10128 Los Angeles San Gabriel Mtns. Foothills: Azusa, mouth of San Gabriel River Canyon, 400 m NW of River Bike Path parking lot at Hwy 39.; 0 227 Comment
  SEINET3860259  Lupinus truncatus R. G. Swinney 2009-3-19 10144 Los Angeles San Gabriel Mtns. Foothills: Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, ca 100 m north of Hwy 39.; 0 230 Comment
  SEINET3860266  Lotus salsuginosus R. G. Swinney 2009-4-21 10417 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mile north (upstream) of Puente Largo bridge.; 0 192 Comment
  SEINET3860271  Trifolium hirtum R. G. Swinney 2009-4-16 10373 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Duarte, lowers Van Tassel dire road, Van Tassel Canyon.; 0 439 Comment
  SEINET3860279  Phacelia grandiflora R. G. Swinney 2009-4-21 10415 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.; 0 192 Comment
  SEINET3860415  Claytonia parviflora R. G. Swinney 2009-4-24 10499 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creekm ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  SEINET3860416 Image available Pellaea mucronata R. G. Swinney 2009-4-17 10383 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), ca 0.6 mi. north of Sierra Madre Ave.; 0 213 Comment
  SEINET4560562  Artemisia tridentata var. parishii R. G. Swinney 2009-1 11599 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr. Canyon, N. of Mt Emma Rd. 908 Comment
  SEINET4560563  Ericameria nauseosa R. G. Swinney 2009-1 11600 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr. Canyon, N. of Mt Emma Rd. 908 Comment
  SEINET8043948 Image available Platanus racemosa R. G. Swinney 2010-1 12297 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near end of Wallabi Ave. 433 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
  SEINET8481394 Image available Ericameria teretifolia R. G. Swinney 2009-11-16 11648 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert; Big Rock Wash, 1.2 miles south of Pallett Creek Rd. & Valyermo Rd. junction, 50 m west of Valyermo Rd. 1079 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
  UC1951193  Eulobus californicus R. G. Swinney 2008-4-30 8709 Los Angeles San Gabriel Mtns: San Dimas Experimental Forest, Monroe Canyon. Glendora 7.5' Quad. Comment
  UCD169206  Calochortus kennedyi var. kennedyi R. G. Swinney 2009-5-12 10734 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  UCD169209  Lilium parryi R. G. Swinney 1998-10-3 7005 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge. 1991 Comment
  UCD169439  Clematis pauciflora R. G. Swinney 2009-2-20 10022 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel. 177 Comment
  UCD169560  Opuntia basilaris var. brachyclada R. G. Swinney 2009-6-17 11223 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek. 1628 Comment
  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
  UCD170138  Mirabilis jalapa R. G. Swinney 2009-8-19 11453 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, 50 m north of rental cabins. 366 Comment
  UCD170139  Limonium perezii R. G. Swinney 2008-12-6 9974 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel. 229 Comment
  UCD170493  Phoradendron leucarpum subsp. tomentosum R. G. Swinney 2009-7-22 11304 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats. 1890 Comment
  UCD170655  Camissoniopsis confusa R. G. Swinney 2008-5-2 8725 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property. 1439 Comment
  UCD170856  Lupinus R. G. Swinney 2009-5-9 10707 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway. 183 Comment
  UCD170858  Lupinus R. G. Swinney 2009-5-13 10791 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR100058  Salvia spathacea R. G. Swinney 1969-4-2 323 Los Angeles Western Transverse Range; Santa Monica Mtns., 2 miles SW of Cornell on Mulholland Highway 396 Comment
  UCR100059  Rhus ovata R. G. Swinney 1967-4-5 329 Los Angeles San Gabriel Mtns,, c. 300 yds north of Hwy 66 in Irwindale, c. 500 yds east of the San Gabriel River Channel Comment
  UCR100067  Dichelostemma capitatum R. G. Swinney 1969-5-4 409 -12 Los Angeles San Gabriel Mtns., Glendora Foothills. 0.6 mi north of Sierra Madre Ave. on N Pennsylvania Ave., Glendora 366 Comment
  UCR103486  Lomatium dasycarpum R. G. Swinney 1994-5-7 2818 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Glendora Wilderness Park, c. 200 yds south of lower Monroe Mountainway on ridge, just west of Mystic Canyon Trail. north of Big Dalton Canyon Road 549 Comment
  UCR137345  Quercus X grandidentata R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Harrow Canyon, south of first debris basin 396 Comment
  UCR141367  Ceanothus leucodermis R. G. Swinney 1997-8-19 5813 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  UCR141856  Ericameria cuneata var. cuneata R. G. Swinney 1997-8-19 5822 Los Angeles San Gabriel Mountains., San Anonio Peak (= Lookout Mountain), 60-100 m SE of summit. 2052 Comment
  UCR141858  Larrea tridentata R. G. Swinney 1997-9-6 5866 Los Angeles San Gabriel Mtns., 223rd St., 0.5 mi south of Fort Tejon Rd; about 30 ft east of road. 1195 Comment
  UCR149329  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  UCR149346  Cardamine oligosperma R. G. Swinney 1998-4-4 5913 Los Angeles San Gabriel Mtns, Evey Canyon, c. 0.75 mi. west of Mt. Baldy Rd., c. 0.3 mi. (air) NE of Potato Mtn. 793 Comment
  UCR149507  Lupinus R. G. Swinney 1997-6-25 5643 Los Angeles San Gabriel Mtns., southwest of Wrightwood, Blue Ridge c. 0.5 mi. west of Guffy Camp, Forest Service Rd. 3N06, c. 5.1 miles east of Hwy 2 2518 Comment
  UCR149520  Cornus sericea var. sericea R. G. Swinney 1997-6-25 5645 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail, c. 1.2 mi. SE of Hwy 2 in a small canyon tributary to Sawmill Canyon 2256 Comment
  UCR149521  Chaenactis xantiana R. G. Swinney 1998-4-14 5997 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  UCR149525  Castilleja plagiotoma R. G. Swinney 1997-6-25 5644 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  UCR149533  Collinsia torreyi R. G. Swinney 1997-6-25 5649 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail, small canyon that is tributary of Sawmill Canyon from the NW, 0.9 mi. SE of Hwy 2 2195 Comment
  UCR149907  Potentilla glandulosa R. G. Swinney 1999-6-18 7339 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR149914  Dactylis glomerata R. G. Swinney 1997-6-25 5655 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  UCR149925  Chaenactis xantiana R. G. Swinney 1999-6-18 7307 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR150460  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
  UCR150461  Salix lasiolepis R. G. Swinney 1999-6-21 7356 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR150465  Solanum umbelliferum R. G. Swinney 1999-6-21 7375 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UCR150539  Calochortus palmeri R. G. Swinney 1999-6-21 7382 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  UCR150544  Forestiera pubescens R. G. Swinney 1999-6-21 7381 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  UCR150710  Bromus carinatus R. G. Swinney 1999-6-21 7346 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR150711  Bromus madritensis subsp. madritensis R. G. Swinney, Dave Larson 1999-5-15 7166 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150715  Hordeum murinum R. G. Swinney, Dave Larson 1999-5-15 7169 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150830  Stellaria media R. G. Swinney, Dave Larson 1999-5-15 7150 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150831  Solanum douglasii R. G. Swinney, Dave Larson 1999-5-15 7151 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150843  Lomatium mohavense R. G. Swinney 1998-4-14 5975 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon 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
  UCR150857  Castilleja miniata R. G. Swinney 1999-8-16 7665 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR150868  Rubus discolor R. G. Swinney, Dave Larson 1999-5-15 7177 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR178617  Mirabilis laevis R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  UCR178773  Veronica anagallis-aquatica R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 1.4 mi. east of Glendora Mountain Road 442 Comment
  UCR178794  Oxalis corniculata subsp. corniculata R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  UCR178904  Avena barbata R. G. Swinney 1989-5-31 s.n. Los Angeles San Gabriel Mtns., Glendora, north end of Big Dalton Dam near Big Dalton Canyon Rd. 518 Comment
  UCR178917  Leptodactylon californicum R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats 473 Comment
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Jul 30 2010
  UCR178956  Bromus diandrus R. G. Swinney 1989-5-3 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon, 1.4 mi. northeast of Glendora Mountain Road 442 Comment
  UCR178958  Bromus rubens R. G. Swinney 1969-5-4 406 Los Angeles San Gabriel Mtns., Glendora Foothills. 0.6 mi north of Sierra Madre Ave. on N Pennsylvania Ave., Glendora 366 Comment
  UCR178959  Leptochloa uninervia R. G. Swinney 1989-8-23 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Big Dalton Canyon; Big Dalton spreading grounds 320 Comment
  UCR179240  Sarcostemma cynanchoides R. G. Swinney 1989-9-16 s.n. Los Angeles San Gabriel Mtns., Glendora, 0.4 mi. east of Glendora Mountain Rd. on Big Dalton Canyon Road 360 Comment
  UCR179241  Cyperus difformis R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 366 Comment
  UCR179264  Delphinium cardinale R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 1.3 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  UCR179297  Lilium humboldtii R. G. Swinney 1989-6-10 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, cyn. bottom on w. side of Big Dalton Canyon just west of Pavil Canyon 442 Comment
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Mar 26 2014
  UCR179450  Elymus elongatus R. G. Swinney, Dave Larson 1996-7-17 5116 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179451  Delphinium patens R. G. Swinney, Dave Larson 1996-7-17 5118 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179974  Cuscuta R. G. Swinney 1996-8-7 5218 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  UCR180026  Arenaria nuttallii subsp. gracilis R. G. Swinney 1995-8-28 4467 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  UCR180182  Dactylis glomerata R. G. Swinney 1989-7-24 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 0.7 mi. east of Glendora Mtn. Road 396 Comment
  UCR180222  Melica imperfecta R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  UCR180714  Microseris lindleyi R. G. Swinney 1995-4-4 3479 Los Angeles San Gabriel Mtns, Glendora, ridge overlooking south end of Mystic Canyon at Big Dalton Canyon 451 Comment
  UCR181013  Dodecatheon clevelandii R. G. Swinney 1997-2-8 5405 Los Angeles San Gabriel Mtns., Fish Canyon, near the mouth of the San Gabriel River on Azusa-Duarte boundary, c. 1 mile north of trailhead in canyon 366 Comment
  UCR181106  Allium burlewii R. G. Swinney 1997-4-25 5506 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  UCR181108  Pellaea mucronata R. G. Swinney 1997-4-25 5513 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 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
  UCR181112  Melica imperfecta R. G. Swinney 1997-4-25 5509 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  UCR181242  Caulanthus major R. G. Swinney 1997-6-13 5570 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
  UCR181363  Berberis aquifolium R. G. Swinney 1995-3-11 3381 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon 378 Comment
  UCR182122  Salix R. G. Swinney 1997-6-19 5623 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  UCR182254  Vitis girdiana R. G. Swinney 1997-9-27 5876 Los Angeles San Gabriel Mountains, Live Oak Canyon, c. 1.6 mi. north of Baseline Rd., 0.8 mi. due north of Live Oak Canyon Dam 488 Comment
  UCR182262  Fraxinus dipetala R. G. Swinney, Dave Larson 1998-4-26 6027 Los Angeles San Gabriel Mtns., LaVerne, north Marshall Canyon watershed, 3.1 miles NE of Wheeler Ave. and Golden Hills junction on Sunset Ridge Rd., along dirt motorway 890 Comment
  UCR182270  Claytonia parviflora R. G. Swinney 1998-4-14 6019 Los Angeles San Gabriel Mtns./Southern Mojave Desert, mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream 1476 Comment
  UCR182271  Cheilanthes covillei R. G. Swinney 1998-4-14 6020 Los Angeles San Gabriel Mtns./Southern Mojave Desert, mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream 1476 Comment
  UCR182386  Polypogon interruptus R. G. Swinney 1998-5-9 6048 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  UCR182388  Phacelia imbricata R. G. Swinney 1998-5-10 6051 Los Angeles San Gabriel Mountains, Glendora, c. 1 mile north of Sierra Madre Ave. on Garcia Trail 524 Comment
  UCR182389  Gutierrezia californica R. G. Swinney 1998-5-15 6052 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  UCR182480  Machaeranthera canescens R. G. Swinney 1997-7-17 5689 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
  UCR182481  Eriastrum sapphirinum subsp. ambiguum R. G. Swinney 1997-7-17 5690 Los Angeles San Gabriel Mtns., 0.5 mi. north of summit of Table Mountain, NW of Wrightwood; 0.8 mi. NE of FS Rd. 4N21 (paved) on 4N21B 2134 Comment
  UCR182485  Gnaphalium stramineum R. G. Swinney 1994-5-7 2824 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  UCR182638  Sisyrinchium idahoense R. G. Swinney 1997-7-23 5728 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR182639  Carex subfusca R. G. Swinney 1997-7-23 5727 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR182672  Ceanothus oliganthus R. G. Swinney 1998-4-13 5957 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR182680  Viola pedunculata R. G. Swinney 1998-4-13 5951 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR182681  Ligustrum lucidum R. G. Swinney 1998-4-13 5953 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR182685  Sanicula crassicaulis R. G. Swinney 1998-4-13 5952 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR182710  Euphorbia maculata R. G. Swinney 1998-2-16 5896 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  UCR182715  Dodecatheon clevelandii R. G. Swinney 1998-4-11 5940 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  UCR182724  Senecio ionophyllus R. G. Swinney 1997-7-23 5738 Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  UCR182736  Pterospora andromedea R. G. Swinney 1997-7-23 5737 A Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  UCR182738  Lupinus latifolius R. G. Swinney 1997-6-19 5629 Los Angeles San Gabriel Mtns., Big Pines at junction of Big Pines Hwy and Hwy 2 (Angeles Crest), west of Wrightwood 2088 Comment
  UCR182739  Monardella R. G. Swinney 1997-7-16 5656 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  UCR182744  Plantago erecta R. G. Swinney 1998-4-11 5935 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  UCR182760  Arceuthobium campylopodum R. G. Swinney 1997-8-6 5758 Los Angeles San Gabriel Mtns, Table Mountain area, Jesus Canyon west of road 4N47, NW of Wrightwood 1927 Comment
  UCR182761  Epilobium R. G. Swinney 1997-7-23 5733 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR182857  Lithophragma R. G. Swinney 1998-4-4 5912 Los Angeles San Gabriel Mtns, Evey Canyon, c. 0.75 mi. west of Mt. Baldy Rd., c. 0.3 mi. (air) NE of Potato Mtn. 793 Comment
  UCR188656  Lotus strigosus R. G. Swinney 1990-3-23 1539 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR188658  Erodium cicutarium R. G. Swinney 1990-3-24 1549 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  UCR188659  Clarkia purpurea R. G. Swinney 1990-4-28 1573 Los Angeles Los Angeles Basin, western section of South Hills, a ridge on the south side of the city of Glendora; east of Glendora Avenue 259 Comment
  UCR189252  Nemacladus sigmoideus R. G. Swinney 1998-5-16 6076 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189264  Loeseliastrum matthewsii R. G. Swinney 1998-5-16 6066 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189394  Melica imperfecta R. G. Swinney 1998-5-30 6159 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR189403  Cryptantha oxygona R. G. Swinney 1998-7-2 6195 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR189655  Centrostegia thurberi R. G. Swinney 1998-5-16 6058 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189703  Epilobium R. G. Swinney 1998-7-24 6574 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR189722  Euphorbia albomarginata R. G. Swinney 1998-7-10 6375 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR189737  Mimulus floribundus R. G. Swinney 1998-7-10 6380 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR189742  Linanthus breviculus R. G. Swinney 1998-7-10 6385 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR189750  Allium R. G. Swinney 1998-7-10 6394 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR189751  Viola pinetorum R. G. Swinney 1998-7-10 6395 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR189755  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1998-7-10 6389 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR189817  Stephanomeria R. G. Swinney 1998-9-4 6891 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR189858  Scirpus microcarpus R. G. Swinney 1998-7-10 6412 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1585 Comment
  UCR189867  Phacelia R. G. Swinney 1998-7-21 6487 Los Angeles San Gabriel Mtns., 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
  UCR189887  Bromus japonicus R. G. Swinney 1998-7-27 6505 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR189950  Gilia capitata R. G. Swinney 1998-6-16 6979 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  UCR189951  Arabis pulchra R. G. Swinney, Vanessa Merritt 1998-6-12 6961 Los Angeles San Gabriel Mtns., 3 miles west of Pinon 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
  UCR189955  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-9-7 6924 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1/4 mi. west of summit of Pine Mountain 2817 Comment
  UCR189974  Galium R. G. Swinney 1998-8-27 6822 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR189993  Boschniakia strobilacea R. G. Swinney 1998-6-16 6993 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR190007  Abies concolor R. G. Swinney 1998-8-27 6823 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR190014  Epilobium ciliatum R. G. Swinney 1998-7-30 6594 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190021  Gilia diegensis R. G. Swinney 1998-6-12 6953 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
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May 3 2012
  UCR190025  Chaenactis glabriuscula R. G. Swinney 1998-6-12 6956 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  UCR190033  Camissonia hirtella R. G. Swinney 1998-6-16 6989 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR190045  Heuchera elegans R. G. Swinney 1998-10-3 6995 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, tributary from N side of San Antonio Ridge 1939 Comment
  UCR190052  Arabis repanda R. G. Swinney 1998-9-7 6943 Los Angeles San Gabriel Mtns., Dawson Peak ridge, Dawson Peak Ridge Trail 2829 Comment
  UCR190084  Oreonana vestita R. G. Swinney 1998-8-27 6818 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR190097  Melica imperfecta R. G. Swinney 1998-7-30 6589 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190100  Calystegia macrostegia R. G. Swinney 1998-7-30 6592 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190101  Viola pinetorum subsp. pinetorum R. G. Swinney 1998-9-7 6939 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  UCR190105  Arabis platysperma R. G. Swinney 1998-8-27 6811 Los Angeles San Gabriel Mtns., gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  UCR190127  Chrysothamnus nauseosus R. G. Swinney 1998-8-27 6795 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
  UCR190256  Adiantum capillus-veneris R. G. Swinney 2000-5-25 7782 Los Angeles San Gabriel Mtns., Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon 238 Comment
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Mar 18 2010
  UCR190258  Pityrogramma triangularis R. G. Swinney 2000-5-21 7779 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UCR190259  Lithophragma affine R. G. Swinney 2000-5-21 7778 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
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May 8 2012
  UCR190267  Lomatium lucidum R. G. Swinney 2000-6-25 7794 Los Angeles San Gabriel Mtns., lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  UCR190273  Gilia splendens R. G. Swinney 2000-6-25 7802 Los Angeles San Gabriel Mtns., ridge top (hill 4413) on west side of San Antonio Canyon, between Evey Cyn. and nameless 1st canyon to north, c. 3/4 mi. west of San Antonio Cyn. Rd. 1345 Comment
  UCR190287  Gilia capitata R. G. Swinney 1998-8-1 6624 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  UCR190345  Dichelostemma capitatum R. G. Swinney 2001-4-18 7897 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  UCR190352  Phacelia lemmonii R. G. Swinney 2001-6-2 7956 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills, junction of Tumbleweed Rd. and Long View Rd. (131st St. East) in ravine west of Long View 1213 Comment
  UCR190364  Phacelia cryptantha R. G. Swinney 2001-6-16 7975 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR190384  Eriogonum pusillum R. G. Swinney 2001-4-18 7880 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR190426  Penstemon speciosus R. G. Swinney 2001-6-16 7987 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR190428  Phacelia imbricata R. G. Swinney 2000-5-19 7682 Los Angeles San Gabriel Mtns., San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden Hills Rd. and 400 m west of stream 512 Comment
  UCR190429  Delphinium parryi R. G. Swinney 2000-5-19 7683 Los Angeles San Gabriel Mtns., San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden Hills Rd. and 400 m west of stream 512 Comment
  UCR190446  Antirrhinum kelloggii R. G. Swinney 2000-5-6 7669 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 Comment
  UCR190448  Tauschia arguta R. G. Swinney 2000-6-19 7866 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR190449  Rafinesquia californica R. G. Swinney 2000-6-19 7865 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR190463  Camissonia strigulosa R. G. Swinney 2001-4-18 7885 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR190528  Avena fatua R. G. Swinney 1990-3-23 1545 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR190546  Lonicera subspicata R. G. Swinney 2000-6-19 7811 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR190726  Elymus elymoides R. G. Swinney 1999-7-5 7504 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  UCR190728  Bromus hordeaceus R. G. Swinney 1990-3-24 1552 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  UCR190729  Bromus rubens R. G. Swinney 1990-3-23 1540 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR190746  Calochortus palmeri var. palmeri R. G. Swinney 2001-6-2 7955 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills, junction of Tumbleweed Rd. and Long View Rd. (131st St. East) in ravine west of Long View 1213 Comment
  UCR190748  Caulanthus major R. G. Swinney 1999-7-5 7500 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  UCR190749  Phlox diffusa R. G. Swinney 1999-7-5 7501 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  UCR190763  Descurainia sophia R. G. Swinney 1999-6-30 7492 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  UCR190783  Cryptantha muricata R. G. Swinney 1999-7-5 7538 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
  UCR190807  Mimulus floribundus R. G. Swinney 1998-8-6 6694 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  UCR190852  Schismus arabicus R. G. Swinney 1999-7-5 7531 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
  UCR190884  Microseris lindleyi R. G. Swinney 2001-4-18 7906 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR190897  Gilia modocensis R. G. Swinney 1998-7-2 6234 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR190913  Ceanothus cordulatus R. G. Swinney 1998-7-2 6251 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR190926  Adiantum capillus-veneris R. G. Swinney 1999-7-14 7559 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 0.25 mi. north of Laurel Gulch 713 Comment
  UCR190928  Agrostis exarata R. G. Swinney 1999-7-14 7560 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 0.25 mi. north of Laurel Gulch 713 Comment
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May 11 2012
  UCR190929  Lotus heermannii R. G. Swinney, Dave Larson 1999-6-12 7545 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  UCR190934  Lepidium virginicum R. G. Swinney 1998-8-6 6696 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  UCR191178  Lessingia glandulifera var. glandulifera R. G. Swinney 1999-6-28 7455 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
  UCR191190  Adiantum capillus-veneris R. G. Swinney 1999-7-28 7592 Los Angeles San Gabriel Mtns., Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon 1098 Comment
  UCR191191  Mentzelia R. G. Swinney 1999-7-5 7523 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
  UCR191195  Carex multicaulis R. G. Swinney 1999-7-5 7528 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
  UCR191258  Quercus chrysolepis R. G. Swinney 1998-7-2 6214 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191307  Calochortus invenustus R. G. Swinney 1998-7-2 6256 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191314  Chaenactis santolinoides R. G. Swinney 1998-7-2 6254 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191513  Collinsia torreyi var. wrightii R. G. Swinney 1998-7-8 6312 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR191526  Hordeum vulgare R. G. Swinney 1998-7-8 6318 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR191528  Lotus crassifolius R. G. Swinney 1998-7-8 6321 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR191529  Bromus tectorum R. G. Swinney 1998-7-8 6322 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR191534  Tauschia parishii R. G. Swinney 1998-7-8 6308 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR192657  Adiantum aleuticum R. G. Swinney 1999-8-14 7616 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.7 mi. west of junction of Fish Fork Trail on West Dawson Peak Ridge 2134 Comment
  UCR192824  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-7-6 6297 Los Angeles San Gabriel Mtns., Grassy Hollow, east of Jackson Flats, on ridge c. 200 m north of entrance to Grassy Hollow Campground 2195 Comment
  UCR192836  Cryptantha simulans R. G. Swinney 1998-7-6 6282 Los Angeles San Gabriel Mtns., Mescal Canyon, 0.8 mile north of junction of Hwy 2 and Mescal Canyon Rd. 1732 Comment
  UCR192838  Senecio triangularis R. G. Swinney 1998-7-14 6431 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR192839  Dodecatheon redolens R. G. Swinney 1998-7-14 6432 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR192860  Carex subfusca R. G. Swinney 1998-7-14 6427 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR192861  Smilacina stellata R. G. Swinney 1998-7-14 6428 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR192865  Cycladenia humilis R. G. Swinney 1999-8-9 7604 Los Angeles San Gabriel Mtns., Big Horn Ridge, c. 1.5 mi SW of West Baldy peak of Mt. San Antonio 2402 Comment
  UCR192872  Adiantum capillus-veneris R. G. Swinney 1998-8-10 6724 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  UCR192880  Phacelia curvipes R. G. Swinney 1998-7-8 6341 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR192881  Phacelia curvipes R. G. Swinney 1998-7-8 6342 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR192885  Silene verecunda R. G. Swinney 1998-7-8 6320 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR193140  Bromus carinatus R. G. Swinney 1998-7-14 6451 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  UCR193141  Arenaria nuttallii subsp. gracilis R. G. Swinney 1999-8-9 7607 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
  UCR193145  Delphinium glaucum R. G. Swinney 1999-8-16 7652 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR193164  Monardella cinerea R. G. Swinney 1998-7-14 6439 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  UCR193462  Argemone munita R. G. Swinney 1999-6-5 7275 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  UCR193470  Camissonia campestris R. G. Swinney 1999-6-18 7288 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR193471  Camissonia pallida R. G. Swinney 1999-4-5 7041 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  UCR193562  Silene verecunda R. G. Swinney 1999-6-28 7441 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193570  Ribes indecorum R. G. Swinney 1999-4-8 7069 Los Angeles San Gabriel Mtns., Claremont, north of Via Santa Catarina and Mountain Ave. 488 Comment
  UCR193571  Chenopodium californicum R. G. Swinney 1999-4-5 7049 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR193575  Cryptantha similis R. G. Swinney 1999-4-5 7060 B Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR193596  Epilobium ciliatum R. G. Swinney 1998-8-6 6706 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR193598  Poa pratensis R. G. Swinney 1999-8-16 7658 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR193606  Phacelia distans R. G. Swinney 1999-6-28 7452 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  UCR193608  Erigeron breweri R. G. Swinney 1999-6-28 7454 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  UCR193670  Saltugilia splendens subsp. grantii R. G. Swinney 1999-6-28 7422 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193671  Eriogonum davidsonii R. G. Swinney 1999-6-28 7421 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193675  Nemacladus sigmoideus R. G. Swinney 1999-6-28 7438 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193682  Dudleya cymosa R. G. Swinney, Dave Larson 1999-5-29 7233 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193696  Cryptantha pterocarya var. pterocarya R. G. Swinney 1999-4-5 7037 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  UCR193698  Pectocarya penicillata R. G. Swinney 1999-4-5 7038 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  UCR193699  Caulanthus lasiophyllus R. G. Swinney 1999-4-5 7045 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR193706  Bromus diandrus R. G. Swinney, Dave Larson 1999-5-29 7223 B Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193708  Bromus R. G. Swinney, Dave Larson 1999-6-25 7407 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR193709  Melica imperfecta R. G. Swinney, Dave Larson 1999-6-25 7406 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR193712  Adiantum capillus-veneris R. G. Swinney, Dave Larson 1999-5-29 7235 Los Angeles San Gabriel Mtns., lower East Fork San Dimas Canyon 598 Comment
  UCR193996  Chrysothamnus nauseosus R. G. Swinney 1998-9-4 6920 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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Jul 6 2021
  UCR193999  Epilobium canum R. G. Swinney 1998-8-13 6761 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR194014A  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-9-4 6922 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR194026  Elymus glaucus R. G. Swinney 1998-7-28 6521 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  UCR194028  Galium johnstonii R. G. Swinney 1998-9-4 6923 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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May 8 2012
  UCR194029  Gilia modocensis R. G. Swinney 1999-5-22 7208 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
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May 3 2012
  UCR194034  Castilleja applegatei R. G. Swinney 1998-7-29 6523 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  UCR194046  Pectocarya setosa R. G. Swinney 1999-5-22 7188 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR194048  Dudleya cymosa R. G. Swinney 1998-8-21 6779 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  UCR194049  Erigeron breweri R. G. Swinney 1998-8-17 6775 Los Angeles San Gabriel Mtns., Gold Dollar Mine Trail, 0.2 mi. NE of upper Coldwater Canyon 1488 Comment
  UCR194063  Eriogonum davidsonii R. G. Swinney 1999-6-5 7259 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR194077  Madia gracilis R. G. Swinney, Dave Larson 1999-5-29 7238 Los Angeles San Gabriel Mtns., lower East Fork San Dimas Canyon 598 Comment
  UCR194162  Cordylanthus rigidus R. G. Swinney 1998-8-13 6731 Los Angeles San Gabriel Mtns., Iron Mountain ridge, 0.5 mi. south of Iron Mtn. summit, 100 m north of a Coulter pine grove 2262 Comment
  UCR194170  Lobelia dunnii R. G. Swinney 1998-7-24 6557 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR194171  Epipactis gigantea R. G. Swinney 1998-7-24 6558 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR194175  Potentilla glandulosa R. G. Swinney 1998-7-29 6539 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  UCR194182  Boykinia rotundifolia R. G. Swinney 1998-7-29 6550 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  UCR194255  Caulanthus lasiophyllus R. G. Swinney 1998-8-5 6661 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  UCR194274  Claytonia perfoliata R. G. Swinney 1999-4-9 7084 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  UCR194293  Dudleya cymosa R. G. Swinney, Dave Larson 1999-6-25 7403 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR194597  Euphorbia peplus R. G. Swinney 1999-4-8 7077 Los Angeles San Gabriel Mtns., Claremont, Palmer Canyon c. 100 m east of Cobal Canyon 512 Comment
  UCR194607  Quercus chrysolepis R. G. Swinney 1998-8-13 6759 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR194614  Chrysothamnus nauseosus R. G. Swinney 1998-8-13 6753 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
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Jul 6 2021
  UCR194620  Erigeron foliosus R. G. Swinney 1998-8-13 6750 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR194621  Ribes aureum var. gracillimum R. G. Swinney 1999-4-8 7076 Los Angeles San Gabriel Mtns., Claremont, Palmer Canyon c. 100 m east of Cobal Canyon 512 Comment
  UCR194625  Galium R. G. Swinney 1998-8-31 6868 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.9 mi. west of Mt. Baldy, east of saddle 2500 Comment
  UCR202527  Carex R. G. Swinney 2005-8-15 8480 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
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Sep 12 2018
  UCR202532  Leptodactylon pungens R. G. Swinney 2001-8-9 8014 Los Angeles San Gabriel Mtns., Mount Williamson, second peak from east on the ridge 2494 Comment
  UCR202695  Monardella linoides subsp. stricta R. G. Swinney 2001-8-11 8045 Los Angeles San Gabriel Mtns., north slope of Mt. Baden-Powell, c. 0.5 mi. SSW of Vincent Gap 2134 Comment
  UCR202700  Platanthera dilatata var. leucostachys R. G. Swinney 2001-8-11 8034 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCR202701  Epilobium glaberrimum R. G. Swinney 2001-8-11 8035 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCR202727  Platanthera dilatata var. leucostachys R. G. Swinney, Cody Clarke 2001-8-22 8077 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR202732  Gayophytum R. G. Swinney, Cody Clarke 2001-8-22 8073 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR202747  Carex alma R. G. Swinney 2001-8-27 8089 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR202927  Rhamnus californica subsp. tomentella R. G. Swinney 2001-8-18 8067 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  UCR203103  Salix lasiolepis R. G. Swinney 2001-8-27 8114 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  UCR203193  Viola purpurea R. G. Swinney 2005-5-21 8257 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR203206  Gilia modocensis R. G. Swinney 2005-5-21 8247 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR203254  Platanthera R. G. Swinney 2001-8-27 8124 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UCR204017  Arabis repanda R. G. Swinney 2001-9-15 8140 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  UCR204058  Cuscuta californica R. G. Swinney 2005-7-8 8280 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
  UCR204214  Solidago californica R. G. Swinney 2001-9-16 8164 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  UCR204422  Elaeagnus angustifolia R. G. Swinney 2001-9-15 8183 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204437  Lolium perenne subsp. perenne R. G. Swinney 2003-5-12 8206 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, drainage near Big Cienega Spring, S fork of upper Pavil Canyon 640 Comment
  UCR204450  Sanicula bipinnatifida R. G. Swinney 2005-4-15 8220 Los Angeles San Gabriel Mtns., Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 351 Comment
  UCR204451  Lomatium lucidum R. G. Swinney 2005-4-23 8221 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi. north of north end of Rainbow Dr., west of and adjacent to West Bender Canyon 572 Comment
  UCR204550  Juncus balticus subsp. ater R. G. Swinney 2005-8-5 8364 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  UCR204551  Scirpus R. G. Swinney 2005-8-5 8365 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  UCR204555  Amaranthus albus R. G. Swinney 2005-8-5 8371 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  UCR204574  Plantago major R. G. Swinney 2005-8-5 8391 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204750  Eleocharis parishii R. G. Swinney 2005-8-9 8425 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
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May 10 2012
  UCR204751  Solidago confinis R. G. Swinney 2005-8-9 8424 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204755  Verbena lasiostachys R. G. Swinney 2005-8-9 8429 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204817  Phacelia lemmonii R. G. Swinney 2005-8-22 8517 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  UCR204856  Eleusine indica R. G. Swinney 2005-8-8 8398 Los Angeles San Gabriel Mtns, Glendora, Morgan Canyon Debris basin 335 Comment
  UCR204858  Camissonia R. G. Swinney 2006-6-18 8543 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR204859  Cryptantha R. G. Swinney 2006-6-18 8542 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
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Feb 19 2020
  UCR204873  Asclepias fascicularis R. G. Swinney 2005-8-9 8400 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204887  Lotus salsuginosus R. G. Swinney 2008-3-26 8573 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR204894  Fraxinus dipetala R. G. Swinney 2008-4-1 8599 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  UCR205062  Rumex crispus R. G. Swinney 2008-4-4 8608 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  UCR205070  Pectocarya penicillata R. G. Swinney 2008-4-7 8616 A Los Angeles San Gabriel Mtns., Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  UCR205071  Pectocarya linearis R. G. Swinney 2008-4-7 8616 B Los Angeles San Gabriel Mtns., Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  UCR205075  Juglans californica R. G. Swinney 2008-4-9 8620 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UCR205082  Phacelia cicutaria var. hispida R. G. Swinney 2008-4-10 8629 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR205096  Pteridium aquilinum R. G. Swinney 2008-4-11 8658 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR205098  Arabis glabra R. G. Swinney 2008-4-11 8660 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR205099  Ageratina adenophora R. G. Swinney 2008-4-11 8661 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR205113  Paeonia californica R. G. Swinney 2008-4-16 8675 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  UCR205126  Astragalus gambelianus R. G. Swinney 2008-4-17 8688 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205128  Medicago polymorpha R. G. Swinney 2008-4-17 8690 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205129  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205134  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 341 Comment
  UCR205177  Pterostegia drymarioides R. G. Swinney 2008-4-10 8637 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR205183  Clarkia dudleyana R. G. Swinney 2008-4-30 8717 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR205202  Zannichellia palustris R. G. Swinney 2005-8-11 8472 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR205218  Sonchus oleraceus R. G. Swinney 2006-6-18 8534 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR205219  Erodium cicutarium R. G. Swinney 2006-6-18 8533 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR205223  Camissonia confusa R. G. Swinney 2008-5-2 8725 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR205230  Emmenanthe penduliflora R. G. Swinney 2008-5-2 8728 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR205231  Cryptantha muricata R. G. Swinney 2008-5-2 8727 A Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR205235  Ehrharta calycina R. G. Swinney 2008-3-26 8567 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205243  Mimulus pilosus R. G. Swinney 2005-8-11 8450 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR205257  Phacelia lemmonii R. G. Swinney 2005-8-11 8453 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR205266  Erigeron foliosus R. G. Swinney 2005-8-15 8490 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR205268  Juglans californica R. G. Swinney 2008-4-9 8621 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UCR205269  Eriogonum nudum R. G. Swinney 2005-8-26 8530 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  UCR205453  Calycoseris parryi R. G. Swinney 2008-5-2 8741 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR205553  Medicago lupulina R. G. Swinney 2008-5-30 8888 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR205579  Nama californica R. G. Swinney 2008-5-12 8835 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  UCR205590  Phacelia longipes R. G. Swinney 2008-5-13 8869 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, South Fork Trail 0.7 mi. east of Holcomb Canyon 1512 Comment
  UCR205591  Poa annua R. G. Swinney 2008-5-30 8870 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  UCR205600  Galium aparine R. G. Swinney 2008-5-13 8852 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCR205601  Calystegia peirsonii R. G. Swinney 2008-5-13 8853 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCR205854  Gilia modocensis R. G. Swinney 2008-5-8 8811 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
  UCR205862  Chorizanthe watsonii R. G. Swinney 2008-5-8 8802 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
  UCR205896  Microseris lindleyi R. G. Swinney 2008-5-8 8782 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
  UCR205899  Lotus strigosus R. G. Swinney 2008-5-8 8785 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
  UCR205900  Gilia diegensis R. G. Swinney 2008-5-8 8791 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
  UCR205901  Chaenactis fremontii R. G. Swinney 2008-5-8 8823 A 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
  UCR205905  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-5 8769 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR206125  Juncus bufonius R. G. Swinney 2008-5-30 8912 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR206140  Juncus rugulosus R. G. Swinney 2008-5-30 8911 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR206141  Agrostis viridis R. G. Swinney 2008-5-30 8913 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR206145  Ficus palmata R. G. Swinney 2008-5-30 8891 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR206152  Phacelia lemmonii R. G. Swinney 2008-6-4 8926 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  UCR206265  Penstemon grinnellii R. G. Swinney 2008-6-4 8929 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  UCR206272  Quercus chrysolepis R. G. Swinney 2008-6-10 8996 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  UCR206412  Monardella breweri R. G. Swinney 2008-6-9 8953 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR206454  Juncus macrophyllus R. G. Swinney 2008-6-9 8961 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR209064  Lathyrus vestitus R. G. Swinney 2008-6-25 9101 Los Angeles San Gabriel Mountains, Glendora, West Harrow Canyon, 0.4 mi. NW of Harrow Canyon Debris Basin 439 Comment
  UCR209105  Monardella australis R. G. Swinney 2008-6-18 9071 Los Angeles San Gabriel Mountains, south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek 2012 Comment
  UCR209127  Tamarix ramosissima R. G. Swinney 2008-6-25 9103 Los Angeles San Gabriel Mountains, Glendora, Harrow Canyon Debris Basin, seep on north-central side 387 Comment
  UCR209132  Clarkia dudleyana R. G. Swinney 2008-6-24 9097 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209217  Elymus elymoides R. G. Swinney 2008-6-17 9060 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCR209258  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-10-7 9472 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209267  Erigeron foliosus R. G. Swinney 2008-10-8 9529 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR209413  Erigeron foliosus R. G. Swinney 2008-10-8 9521 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UCR209426  Elymus glaucus R. G. Swinney 2008-9-13 9455 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UCR209429  Aster R. G. Swinney 2008-9-12 9449 Los Angeles San Gabriel Mtns., Buckhorn Canyon, spring (not shown on topo) 0.3 mi. NE of Burkhart Trail parking lot 1951 Comment
  UCR209434  Ribes nevadense R. G. Swinney 2008-9-13 9451 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UCR209446  Ericameria nauseosa subsp. consimilis R. G. Swinney 2008-10-8 9517 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UCR209448  Juncus balticus R. G. Swinney 2008-10-7 9489 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209463  Datisca glomerata R. G. Swinney 2008-10-10 9565 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209477  Phacelia fremontii R. G. Swinney 2008-6-17 9028 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR209483  Keckiella cordifolia R. G. Swinney 1969-6-12 579 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 348 Comment
  UCR209526  Ivesia santolinoides R. G. Swinney 2008-7-3 9161 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UCR209528  Eriophyllum confertiflorum R. G. Swinney 2008-7-3 9162 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UCR209529  Solidago californica R. G. Swinney 2008-10-10 9569 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209534  Mimulus floribundus R. G. Swinney 2008-7-2 9129 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  UCR209613  Artemisia tridentata R. G. Swinney 2008-10-10 9577 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209626  Eriogonum R. G. Swinney 2008-10-10 9551 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209628  Stephanomeria virgata R. G. Swinney 2008-10-10 9550 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209629  Lotus purshianus R. G. Swinney 2008-10-10 9549 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209634  Castilleja minor subsp. spiralis R. G. Swinney 2008-10-10 9546 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209646  Mimulus moschatus R. G. Swinney 2008-7-2 9124 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR209648  Ribes nevadense R. G. Swinney 2008-7-2 9113 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR209649  Arceuthobium californicum R. G. Swinney 2008-7-2 9114 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR209852  Carex R. G. Swinney 2008-7-13 9188 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
Read comments
Sep 12 2018
  UCR209864  Ericameria parryi R. G. Swinney 2008-7-15 9199 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209884  Poa secunda R. G. Swinney 2008-7-16 9245 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCR209897  Galium johnstonii R. G. Swinney 2008-7-24 9270 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209913  Lupinus R. G. Swinney 2008-7-25 9306 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
  UCR209926  Lupinus excubitus subsp. austromontanus R. G. Swinney 2008-7-15 9204 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209928  Gilia ochroleuca subsp. bizonata R. G. Swinney 2008-7-15 9203 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209929  Toxicodendron diversilobum R. G. Swinney 2008-9-9 9323 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR209934  Typha domingensis R. G. Swinney 2008-7-13 9182 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  UCR209948  Gayophytum R. G. Swinney 2008-7-15 9223 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209963  Lilium parryi R. G. Swinney 2008-7-15 9232 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  UCR209977  Leptodactylon pungens R. G. Swinney 2008-7-25 9311 Los Angeles San Gabriel Mtns., Twin Peaks, west peak 2316 Comment
  UCR210006  Gnaphalium luteoalbum R. G. Swinney 2008-12-2 9918 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  UCR210009  Ambrosia acanthicarpa R. G. Swinney 2008-10-7 9463 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR210012  Gutierrezia microcephala R. G. Swinney 2008-10-7 9466 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR210096  Artemisia dracunculus R. G. Swinney 2008-10-16 9614 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  UCR210099  Galium angustifolium R. G. Swinney 2008-8-13 9399 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  UCR210113  Carex praegracilis R. G. Swinney 2008-10-16 9623 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
Read comments
May 10 2012
  UCR210126  Muhlenbergia richardsonis R. G. Swinney 2008-7-24 9353 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR210129  Gayophytum R. G. Swinney 2008-7-24 9347 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR210134  Monardella linoides R. G. Swinney 2008-8-13 9391 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  UCR210146  Heliotropium curassavicum R. G. Swinney 2008-10-20 9648 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210148  Elymus triticoides R. G. Swinney 2008-10-16 9617 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  UCR210149  Rorippa curvisiliqua R. G. Swinney 2008-10-20 9654 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210163  Saltugilia splendens subsp. grantii R. G. Swinney 2008-8-13 9386 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 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
  UCR210216  Crypsis schoenoides R. G. Swinney 2008-10-20 9650 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210219  Juncus xiphioides R. G. Swinney 2008-8-14 9434 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR210223  Sonchus oleraceus R. G. Swinney 2008-8-14 9429 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR210235  Tribulus terrestris R. G. Swinney 2008-10-20 9659 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210243  Andropogon glomeratus var. scabriglumis R. G. Swinney 2008-10-22 9662 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
  UCR210257  Oenothera elata R. G. Swinney 2008-8-13 9368 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210266  Urtica dioica subsp. holosericea R. G. Swinney 2008-8-13 9370 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210286  Plantago major R. G. Swinney 2008-11-29 9851 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR210288  Muhlenbergia californica R. G. Swinney 2008-7-16 9266 Los Angeles San Gabriel Mtns., Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1817 Comment
  UCR210405  Amaranthus blitoides R. G. Swinney 2008-12-6 9963 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
  UCR210432  Typha latifolia R. G. Swinney 2008-12-2 9922 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR210447  Pennisetum setaceum R. G. Swinney 2008-11-30 9885 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210478  Echinochloa crus-galli R. G. Swinney 2008-11-30 9899 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCR210490  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2008-11-30 9867 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  UCR210491  Rumex R. G. Swinney 2008-11-30 9860 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  UCR210495  Juniperus californica R. G. Swinney 2008-11-30 9892 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Canyon, 1.6 mi. north of Foothill Blvd. at El Encanto Dr., at confluence with Fish Canyon 210 Comment
  UCR210500  Eriogonum elongatum R. G. Swinney 2008-12-6 9962 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
  UCR210501  Cleistocactus R. G. Swinney 2008-12-6 9961 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
  UCR210505  Cyperus eragrostis R. G. Swinney 2008-11-30 9870 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210532  Heteromeles arbutifolia R. G. Swinney 2008-12-4 9944 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR210705  Amaranthus albus R. G. Swinney 2008-10-22 9671 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
  UCR215973  Vicia sativa R. G. Swinney 2005-4-30 8229 Los Angeles San Gabriel Mountains, Glendora, 'Morgan Canyon Plateau' adjacent to and east of Morgan Canyon 418 Comment
  UCR216755  Marah macrocarpa R. G. Swinney 2009-2-20 10007 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR216856  Chenopodium murale R. G. Swinney 2009-3-11 10093 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR216859  Morus alba R. G. Swinney 2009-3-12 10103 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
  UCR216867  Lupinus hirsutissimus R. G. Swinney 2009-3-13 10108 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  UCR216873  Ceanothus sorediatus R. G. Swinney 2009-3-16 10117 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  UCR216887  Solanum umbelliferum R. G. Swinney 2009-2-20 10025 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCR216894  Filago californica R. G. Swinney 2009-2-20 10031 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCR216903  Platanus racemosa R. G. Swinney 2009-3-11 10084 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR217313  Stellaria media R. G. Swinney 2009-2-26 10042 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR217414  Claytonia perfoliata R. G. Swinney 2009-3-10 10055 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR217420  Nasturtium officinale R. G. Swinney 2009-3-10 10066 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR217421  Picris echioides R. G. Swinney 2009-3-10 10065 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR217425  Pectocarya linearis R. G. Swinney 2009-2-20 10017 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR217433  Thysanocarpus laciniatus R. G. Swinney 2009-3-10 10056 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR219402  Melica imperfecta R. G. Swinney 2009-3-25 10158 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  UCR219418  Solanum douglasii R. G. Swinney 2009-3-26 10172 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  UCR219430  Ficus carica R. G. Swinney 2009-3-28 10189 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
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Jan 23 2011
  UCR219431  Bidens pilosa R. G. Swinney 2009-3-28 10187 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR219435  Oxalis corniculata R. G. Swinney 2009-3-28 10182 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR219443  Salvia mellifera R. G. Swinney 2009-3-28 10201 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
  UCR219457  Erysimum capitatum R. G. Swinney 2009-3-28 10196 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
  UCR219468  Eriophyllum confertiflorum R. G. Swinney 2009-3-19 10151 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  UCR219566  Bromus diandrus R. G. Swinney 2009-3-28 10205 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
  UCR219568  Polypodium californicum R. G. Swinney 2009-3-28 10203 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
  UCR219824  Melica imperfecta R. G. Swinney 2009-4-16 10369 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  UCR219916  Hordeum murinum R. G. Swinney, Jane Strong 2009-4-21 10423 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
  UCR219918  Silybum marianum R. G. Swinney 2009-4-17 10396 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  UCR219919  Caulanthus lasiophyllus R. G. Swinney, Jane Strong 2009-4-21 10398 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
  UCR219923  Veronica anagallis-aquatica R. G. Swinney, Jane Strong 2009-4-21 10402 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
  UCR219930  Eriophyllum confertiflorum R. G. Swinney 2009-4-16 10374 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR219931  Lamarckia aurea R. G. Swinney 2009-4-16 10375 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR219935  Hordeum vulgare R. G. Swinney 2009-4-16 10378 B Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR219943  Eriastrum sapphirinum R. G. Swinney, Jane Strong 2009-4-21 10408 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
  UCR220037  Mentzelia ravenii R. G. Swinney 2009-4-24 10461 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220042  Camissonia pallida R. G. Swinney 2009-4-24 10457 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220050  Minuartia douglasii R. G. Swinney 2009-4-24 10449 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220051  Cryptantha R. G. Swinney 2009-4-24 10448 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
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Feb 19 2020
  UCR220055  Pholistoma membranaceum R. G. Swinney 2009-4-24 10437 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220157  Emmenanthe penduliflora R. G. Swinney 2009-4-2 10261 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR220166  Phacelia fremontii R. G. Swinney 2009-4-2 10255 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR220168  Coreopsis bigelovii R. G. Swinney 2009-4-2 10257 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR220169  Phacelia distans R. G. Swinney 2009-4-2 10258 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR220186  Cryptantha intermedia R. G. Swinney 2009-4-7 10289 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR220188  Stylocline gnaphaloides R. G. Swinney 2009-4-7 10286 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR220189  Lactuca serriola R. G. Swinney 2009-4-7 10297 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR220192  Salvia columbariae R. G. Swinney 2009-4-7 10303 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR220213  Schismus barbatus R. G. Swinney 2009-4-24 10473 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  UCR220226  Muhlenbergia microsperma R. G. Swinney 2009-4-3 10279 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  UCR220228  Anthriscus caucalis R. G. Swinney 2009-4-7 10294 B Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR220229  Daucus pusillus R. G. Swinney 2009-4-7 10294 A Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR220234  Veronica arvensis R. G. Swinney 2009-4-13 10320 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
  UCR220246  Lupinus concinnus R. G. Swinney 2009-4-28 10519 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR220248  Pectocarya setosa R. G. Swinney 2009-4-28 10515 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR220249  Camissonia pallida R. G. Swinney 2009-4-28 10514 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR220263  Sisymbrium orientale R. G. Swinney 2009-4-24 10474 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  UCR220277  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-4-24 10489 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR220283  Cryptantha circumscissa R. G. Swinney 2009-4-24 10483 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR220350  Erodium cicutarium R. G. Swinney 2009-4-13 10315 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
  UCR220351  Chenopodium murale R. G. Swinney 2009-4-13 10329 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
  UCR220355  Pennisetum clandestinum R. G. Swinney 2009-4-13 10325 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
  UCR220374  Cerastium glomeratum R. G. Swinney 2009-4-16 10360 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  UCR221917  Muilla maritima R. G. Swinney 2009-4-28 10523 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222054  Arctostaphylos glauca R. G. Swinney 2009-4-28 10541 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222727  Stephanomeria parryi R. G. Swinney 2009-5-12 10721 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR222732  Phacelia distans R. G. Swinney 2009-5-12 10735 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR222753  Cryptantha nevadensis var. nevadensis R. G. Swinney 2009-4-29 10564 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
  UCR222776  Pinus monophylla R. G. Swinney 2009-5-6 10690 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR222778  Camissonia californica R. G. Swinney 2009-5-6 10659 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR222779  Opuntia basilaris var. brachyclada R. G. Swinney 2009-5-6 10660 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR222790  Mentzelia veatchiana R. G. Swinney 2009-5-12 10747 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  UCR222791  Cryptantha decipiens R. G. Swinney 2009-5-12 10746 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  UCR222795  Xylorhiza tortifolia R. G. Swinney 2009-5-12 10742 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  UCR222808  Eriogonum davidsonii R. G. Swinney 2009-5-13 10764 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR222812  Camissonia pallida R. G. Swinney 2009-4-29 10586 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
  UCR222854  Eschscholzia minutiflora R. G. Swinney 2009-5-12 10728 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR222990  Eriastrum sapphirinum R. G. Swinney 2009-5-5 10639 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR222991  Eriogonum gracillimum R. G. Swinney 2009-5-5 10640 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR222995  Cuscuta californica R. G. Swinney 2009-5-6 10653 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR223016  Lotus scoparius var. scoparius R. G. Swinney 2009-5-5 10622 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223018  Eriogonum trichopes R. G. Swinney 2009-5-5 10624 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223019  Malacothrix coulteri R. G. Swinney 2009-5-5 10625 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223023  Cryptantha barbigera R. G. Swinney 2009-4-29 10620 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
  UCR223030  Centrostegia thurberi R. G. Swinney 2009-5-6 10671 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR223031  Populus fremontii R. G. Swinney 2009-5-6 10668 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR223035  Linanthus parryae R. G. Swinney 2009-5-6 10674 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR223043  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-6 10662 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR223057  Phacelia davidsonii R. G. Swinney 2009-6-2 11021 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223066  Salsola tragus R. G. Swinney 2009-5-6 10683 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223068  Camissonia pallida R. G. Swinney 2009-5-6 10681 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223069  Datura wrightii R. G. Swinney 2009-5-6 10680 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223086  Caulanthus lasiophyllus R. G. Swinney 2009-5-13 10767 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR223089  Linanthus parryae R. G. Swinney 2009-5-13 10761 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR223103  Eriastrum R. G. Swinney 2009-5-12 10733 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR223137  Cuscuta subinclusa R. G. Swinney 2009-7-22 11354 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223142  Wyethia ovata R. G. Swinney 2009-7-22 11342 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223150  Eriodictyon trichocalyx R. G. Swinney 2009-7-22 11334 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223151  Amaranthus albus R. G. Swinney 2009-7-22 11335 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223174  Oxytheca trilobata R. G. Swinney 2009-7-22 11316 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR223193  Quercus wislizeni R. G. Swinney 2009-7-22 11300 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR223206  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-22 11331 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223208  Fremontodendron californicum R. G. Swinney 2009-7-22 11332 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223209  Phacelia mohavensis R. G. Swinney 2009-5-27 10895 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223254  Stephanomeria virgata R. G. Swinney 2009-7-29 11436 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223270  Chenopodium berlandieri R. G. Swinney 2009-8-19 11454 Los Angeles Transverse Range; San Gabriel Mtns., confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  UCR223271  Cyperus eragrostis R. G. Swinney 2009-8-19 11455 Los Angeles Transverse Range; San Gabriel Mtns., confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  UCR223282  Cryptantha R. G. Swinney 2009-7-29 11437 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
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Feb 19 2020
  UCR223296  Eriogonum saxatile R. G. Swinney 2009-7-23 11377 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223298  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-29 11422 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223299  Ericameria parryi R. G. Swinney 2009-7-29 11423 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223302  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223316  Cylindropuntia californica var. parkeri R. G. Swinney 2009-7-1 11294 Los Angeles Transverse Range; San Gabriel Mtns., Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  UCR223318  Koelreuteria bipinnata R. G. Swinney 2009-6-28 11293 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway 184 Comment
  UCR223319  Cestrum nocturnum R. G. Swinney 2009-6-28 11292 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway 184 Comment
  UCR223330  Phacelia imbricata R. G. Swinney 2009-5-20 10834 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223331  Plagiobothrys R. G. Swinney 2009-5-27 10882 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223335  Bromus hordeaceus R. G. Swinney 2009-5-27 10858 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223357  Ericameria linearifolia R. G. Swinney 2009-5-20 10822 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR223366  Mentzelia veatchiana R. G. Swinney 2009-5-20 10826 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223368  Ceanothus vestitus R. G. Swinney 2009-5-20 10821 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR223369  Arctostaphylos glauca R. G. Swinney 2009-5-20 10820 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR223388  Bromus tectorum R. G. Swinney 2009-5-27 10860 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223392  Adenostoma fasciculatum R. G. Swinney 2009-7-29 11402 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223438  Pellaea mucronata R. G. Swinney 2009-4-28 10535 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR223439  Cystopteris fragilis R. G. Swinney 2009-6-3 11055 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223444  Koeleria macrantha R. G. Swinney 2009-6-3 11046 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223460  Adenostoma fasciculatum R. G. Swinney 2009-6-8 11095 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223461  Rhus aromatica R. G. Swinney 2009-6-8 11094 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223465  Eleocharis R. G. Swinney 2009-5-28 10924 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223472  Mimulus guttatus R. G. Swinney 2009-5-28 10930 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223480  Plagiobothrys collinus R. G. Swinney 2009-5-28 10926 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223481  Leptodactylon pungens R. G. Swinney 2009-5-28 10916 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223485  Galium porrigens R. G. Swinney 2009-6-8 11065 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223510  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223511  Arctostaphylos patula R. G. Swinney 2009-5-28 10961 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223515  Trifolium microcephalum R. G. Swinney 2009-5-28 10964 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223524  Phacelia imbricata R. G. Swinney 2009-6-17 11211 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223538  Chaenactis glabriuscula R. G. Swinney 2009-5-27 10904 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  UCR223544  Rhamnus californica R. G. Swinney 2009-6-2 11005 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223560  Melica imperfecta R. G. Swinney 2009-6-2 10984 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223561  Bromus ciliatus R. G. Swinney 2009-6-2 10985 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223565  Packera ionophylla R. G. Swinney 2009-6-2 10990 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223572  Festuca dertonensis R. G. Swinney 2009-6-3 11032 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223580  Juncus macrophyllus R. G. Swinney 2009-6-8 11070 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223581  Pseudotsuga macrocarpa R. G. Swinney 2009-6-17 11222 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR223585  Festuca dertonensis R. G. Swinney 2009-6-8 11068 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223610  Eriogonum umbellatum var. munzii R. G. Swinney 2009-7-29 11438 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223611  Quercus chrysolepis R. G. Swinney 2009-7-29 11433 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223615  Dysphania pumilio R. G. Swinney 2009-6-27 11284 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  UCR223624  Typha domingensis R. G. Swinney 2009-6-28 11289 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway 194 Comment
  UCR223644  Calyptridium monandrum R. G. Swinney 2009-6-17 11171 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223660  Epipactis gigantea R. G. Swinney 2009-6-12 11146 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223661  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-6-12 11126 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223665  Ageratina adenophora R. G. Swinney 2009-6-12 11133 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223672  Melilotus officinalis R. G. Swinney 2009-8-25 11496 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR223680  Brassica geniculata R. G. Swinney 2009-8-25 11498 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR223681  Asclepias fascicularis R. G. Swinney 2009-6-17 11154 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223685  Chenopodium R. G. Swinney 2009-8-25 11486 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR223710  Eriodictyon trichocalyx R. G. Swinney 2009-6-12 11122 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223711  Brassica geniculata R. G. Swinney 2009-6-12 11116 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223715  Eriodictyon trichocalyx R. G. Swinney 2009-6-17 11205 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223736  Ficus carica R. G. Swinney 2009-6-12 11142 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223738  Bromus tectorum R. G. Swinney 2009-6-24 11235 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223739  Heterocodon rariflorum R. G. Swinney 2009-5-28 10965 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223744  Gilia leptantha subsp. transversa R. G. Swinney 2009-6-24 11241 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223760  Cercocarpus betuloides R. G. Swinney 2009-5-28 10975 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223761  Antennaria dimorpha R. G. Swinney 2009-5-28 10976 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223765  Trichostema austromontanum R. G. Swinney 2009-5-28 10980 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223772  Coreopsis bigelovii R. G. Swinney 2009-6-17 11173 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223780  Viola purpurea R. G. Swinney 2009-6-17 11161 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223781  Bromus carinatus R. G. Swinney 2009-6-17 11162 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223785  Cryptantha circumscissa R. G. Swinney 2009-5-28 10956 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223802  Chenopodium R. G. Swinney 2009-8-25 11488 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR223816  Chaenactis stevioides R. G. Swinney 2009-6-17 11182 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223818  Ericameria cooperi R. G. Swinney 2009-6-17 11188 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223819  Ericameria linearifolia R. G. Swinney 2009-6-17 11190 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223823  Eriastrum sapphirinum R. G. Swinney 2009-6-17 11194 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223830  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-6-17 11183 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223831  Chorizanthe watsonii R. G. Swinney 2009-6-17 11176 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223911  Phacelia davidsonii R. G. Swinney 2009-6-24 11242 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223915  Arctostaphylos glandulosa R. G. Swinney 2009-6-24 11280 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR224264  Sisymbrium altissimum R. G. Swinney 2009-6-24 11278 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR239943  Artemisia tridentata R. G. Swinney 2009-11-16 11630 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCR239957  Typha latifolia R. G. Swinney 2009-11-16 11645 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCR239966  Cylindropuntia echinocarpa R. G. Swinney 2009-11-13 11605 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UCR239968  Cylindropuntia echinocarpa R. G. Swinney 2009-11-13 11615 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
  UCR239969  Typha R. G. Swinney 2009-11-18 11650 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 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
  UCR239986  Ericameria nauseosa R. G. Swinney 2009-11-13 11603 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UCR240003  Leptochloa fusca subsp. uninervia R. G. Swinney 2009-11-9 11594 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  UCR240022  Gutierrezia microcephala R. G. Swinney 2009-11-13 11596 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UCR242705  Antirrhinum multiflorum R. G. Swinney 2009-8-6 11544 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR243016  Conyza floribunda R. G. Swinney 2009-8-6 11520 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR243018  Mimulus guttatus R. G. Swinney 2009-8-6 11518 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR243019  Pseudognaphalium luteoalbum R. G. Swinney 2009-8-6 11517 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR243023  Epilobium ciliatum R. G. Swinney 2009-8-6 11532 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR243030  Artemisia douglasiana R. G. Swinney 2009-8-6 11539 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR243031  Urtica dioica subsp. holosericea R. G. Swinney 2009-8-6 11538 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR252548  Rumex hymenosepalus R. G. Swinney 2010-3-11 11868 Los Angeles San Gabriel Mountains/Verdugo Mountains, flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash 348 Comment
  UCR252549  Camissonia micrantha R. G. Swinney 2010-3-11 11869 Los Angeles San Gabriel Mountains/Verdugo Mountains, flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash 348 Comment
  UCR252563  Hypochaeris glabra R. G. Swinney 2010-6-21 13262 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR252577  Nicotiana attenuata R. G. Swinney 2010-5-11 12668 A Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR252728  Corethrogyne filaginifolia R. G. Swinney 2010-9-1 13661 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252729  Rhus ovata R. G. Swinney 2010-9-1 13663 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252734  Emmenanthe penduliflora R. G. Swinney 2010-5-29 13411 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR252746  Pinus flexilis R. G. Swinney 2001-8-27 8096 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  UCR252749  Parthenocissus vitacea R. G. Swinney 2010-9-1 13643 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252777  Bromus hordeaceus R. G. Swinney 2010-3-10 11794 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR252783  Pseudognaphalium californicum R. G. Swinney 2010-3-10 11801 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR252884  Phacelia brachyloba R. G. Swinney 2010-5-11 12658 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR252897  Mimulus floribundus R. G. Swinney 2010-5-29 13402 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR253387  Cynodon dactylon R. G. Swinney 2010-9-1 13662 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR255763  Eleocharis R. G. Swinney 2010-5-12 12711 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  UCR255777  Salix exigua R. G. Swinney 2010-4-15 12265 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  UCR255783  Dudleya pulverulenta R. G. Swinney 2010-4-15 12272 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  UCR255807  Plagiobothrys arizonicus R. G. Swinney 2010-5-12 12749 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
  UCR255814  Hypochaeris glabra R. G. Swinney 2010-5-4 12497 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR255820  Calystegia macrostegia R. G. Swinney 2010-5-4 12495 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR255821  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-4 12505 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR255825  Hulsea heterochroma R. G. Swinney 2010-9-23 13875 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UCR255833  Erodium cicutarium R. G. Swinney 2010-5-4 12503 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR255840  Salix lasiolepis R. G. Swinney 2010-3-10 11830 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  UCR255841  Baccharis salicifolia R. G. Swinney 2010-3-10 11829 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  UCR256154  Amorpha californica var. californica R. G. Swinney 2010-6-4 13053 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256162  Cercocarpus betuloides R. G. Swinney 2010-6-4 13030 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256175  Phacelia brachyloba R. G. Swinney 2010-6-4 13061 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256182  Elymus condensatus R. G. Swinney 2010-6-4 13072 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256196  Lotus salsuginosus R. G. Swinney 2010-3-22 12009 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR256198  Malacothrix saxatilis R. G. Swinney 2010-3-22 12011 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR256199  Gilia achilleifolia R. G. Swinney 2010-6-8 13208 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
  UCR256203  Nama demissa R. G. Swinney 2010-5-19 12837 A Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  UCR256222  Erysimum capitatum R. G. Swinney 2010-6-4 13035 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256237  Adenostoma fasciculatum R. G. Swinney 2010-5-19 12847 Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  UCR256242  Linaria canadensis var. texana R. G. Swinney 2010-3-22 11998 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR256255  Ribes indecorum R. G. Swinney 2010-3-10 11840 Los Angeles San Gabriel Mountains, FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  UCR256440  Clarkia bottae R. G. Swinney 2010-6-4 13024 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256441  Cynodon dactylon R. G. Swinney 2010-6-4 13025 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256445  Solidago californica R. G. Swinney 2010-9-9 13764 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR256452  Epilobium ciliatum R. G. Swinney 2010-9-9 13771 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR256464  Elymus triticoides R. G. Swinney 2010-6-8 13187 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
  UCR256621  Acer macrophyllum R. G. Swinney 2010-8-16 13535 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256625  Pseudognaphalium microcephalum R. G. Swinney 2010-8-16 13565 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256834  Calocedrus decurrens R. G. Swinney 2010-9-9 13761 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR256846  Artemisia californica R. G. Swinney 2010-8-16 13556 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256848  Umbellularia californica R. G. Swinney 2010-8-16 13554 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256849  Sambucus nigra subsp. caerulea R. G. Swinney 2010-8-16 13553 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256877  Sanicula crassicaulis R. G. Swinney 2010-6-8 13209 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
  UCR258496  Gazania linearis R. G. Swinney 2010-3-10 11812 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258498  Lotus salsuginosus R. G. Swinney 2010-3-10 11814 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258499  Calystegia macrostegia R. G. Swinney 2010-3-10 11815 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258506  Conium maculatum R. G. Swinney 2010-6-23 13327 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UCR258508  Stachys albens R. G. Swinney 2010-6-23 13307 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UCR258509  Fraxinus velutina R. G. Swinney 2010-9-13 13811 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  UCR258554  Stellaria media R. G. Swinney 2010-8-9 13482 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  UCR258570  Stephanomeria virgata R. G. Swinney 2010-6-23 13310 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UCR258571  Eriogonum gracile R. G. Swinney 2010-6-23 13309 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UCR258582  Rubus ursinus R. G. Swinney 2010-4-23 12361 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258596  Urtica dioica subsp. holosericea R. G. Swinney 2010-8-26 13607 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR258598  Keckiella cordifolia R. G. Swinney 2010-8-26 13601 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR258599  Acer macrophyllum R. G. Swinney 2010-8-26 13597 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR258606  Piptatherum miliaceum R. G. Swinney 2010-8-26 13604 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR258608  Woodwardia fimbriata R. G. Swinney 2010-8-26 13596 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR258609  Fraxinus uhdei R. G. Swinney 2010-6-23 13321 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UCR258696  Ricinus communis R. G. Swinney 2010-3-22 12023 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258698  Nicotiana glauca R. G. Swinney 2010-3-22 12025 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258699  Malva parviflora R. G. Swinney 2010-3-22 12026 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258706  Stellaria media R. G. Swinney 2010-3-16 11932 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258708  Stellaria media R. G. Swinney 2010-3-16 11934 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258709  Phacelia cryptantha R. G. Swinney 2010-5-19 12828 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
  UCR258712  Phacelia distans R. G. Swinney 2010-5-19 12822 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
  UCR258754  Malacothrix saxatilis R. G. Swinney 2010-5-25 12962 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258762  Gilia splendens R. G. Swinney 2010-5-11 12691 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR258775  Equisetum laevigatum R. G. Swinney 2010-6-23 13343 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR258782  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12971 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258798  Lobularia maritima R. G. Swinney 2010-3-16 11935 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258799  Phacelia distans R. G. Swinney 2010-3-16 11936 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258800  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-25 12966 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258801  Pterostegia drymarioides R. G. Swinney 2010-5-25 12957 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258805  Filago gallica R. G. Swinney 2010-5-25 12982 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258827  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-23 12345 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258832  Schismus barbatus R. G. Swinney 2010-4-23 12340 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258847  Raphanus sativus R. G. Swinney 2010-3-16 11917 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258853  Veronica anagallis-aquatica R. G. Swinney 2010-3-16 11913 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258876  Veronica anagallis-aquatica R. G. Swinney 2010-5-7 12620 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
  UCR258879  Amaranthus albus R. G. Swinney 2010-8-16 13530 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR258890  Ambrosia acanthicarpa R. G. Swinney 2010-8-16 13520 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR258891  Epilobium ciliatum R. G. Swinney 2010-8-16 13524 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR258895  Silene gallica R. G. Swinney 2010-4-30 12469 Los Angeles San Gabriel Mountains, 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
  UCR258906  Quercus agrifolia R. G. Swinney 2010-8-16 13529 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR258908  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12337 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258909  Polycarpon tetraphyllum R. G. Swinney 2010-4-23 12354 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258912  Chaenactis artemisiifolia R. G. Swinney 2010-4-23 12351 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258954  Ageratina adenophora R. G. Swinney 2010-2-27 11756 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UCR258962  Ribes aureum R. G. Swinney 2010-2-27 11746 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UCR259054  Trifolium hirtum R. G. Swinney 2010-6-21 13303 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  UCR259062  Cryptantha oxygona R. G. Swinney 2010-5-19 12813 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
  UCR259070  Pinus jeffreyi R. G. Swinney 2010-10-8 14003 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  UCR259071  Hesperoyucca whipplei R. G. Swinney 2010-5-19 12807 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
  UCR259075  Microseris lindleyi R. G. Swinney 2010-5-19 12793 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
  UCR259082  Calystegia macrostegia R. G. Swinney 2010-10-15 14053 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR259128  Sisymbrium orientale R. G. Swinney 2010-5-4 12527 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
  UCR259134  Juglans californica R. G. Swinney 2010-5-4 12529 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
  UCR259146  Epilobium canum R. G. Swinney 2010-8-30 13615 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
  UCR259148  Castilleja minor subsp. spiralis R. G. Swinney 2010-6-23 13362 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR259149  Lotus oblongifolius R. G. Swinney 2010-6-23 13361 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR259177  Eleocharis R. G. Swinney 2010-10-15 14056 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR259183  Ageratina adenophora R. G. Swinney 2010-6-23 13374 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR259235  Dysphania botrys R. G. Swinney 2010-6-4 13005 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR259243  Sisymbrium irio R. G. Swinney 2010-3-14 11899 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  UCR259257  Chenopodium californicum R. G. Swinney 2010-6-1 13087 A 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
  UCR259268  Lomatium dasycarpum R. G. Swinney 2010-3-14 11901 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  UCR259354  Crypsis schoenoides R. G. Swinney 2010-9-7 13687 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259362  Salix laevigata R. G. Swinney 2010-4-20 12288 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259370  Stachys albens R. G. Swinney 2010-8-26 13591 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR259371  Ageratina adenophora R. G. Swinney 2010-8-26 13590 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR259375  Alnus rhombifolia R. G. Swinney 2010-8-26 13585 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR259396  Clematis ligusticifolia R. G. Swinney 2010-9-9 13733 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR259399  Dryopteris arguta R. G. Swinney 2010-8-30 13637 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
  UCR259400  Stachys albens R. G. Swinney 2010-8-30 13636 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
  UCR259401  Alnus rhombifolia R. G. Swinney 2010-8-30 13634 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
  UCR259405  Drymocallis glandulosa R. G. Swinney 2010-9-9 13743 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR259547  Brassica geniculata R. G. Swinney 2010-9-7 13695 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259553  Verbena lasiostachys R. G. Swinney 2010-9-7 13716 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259576  Cryptantha muricata R. G. Swinney 2010-4-13 12206 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR259578  Cryptantha microstachys R. G. Swinney 2010-4-13 12209 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR259579  Clematis lasiantha R. G. Swinney 2010-6-8 13179 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  UCR259590  Sisyrinchium bellum R. G. Swinney 2010-9-7 13731 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  UCR259591  Elymus glaucus R. G. Swinney 2010-9-7 13730 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
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Oct 27 2020
  UCR259595  Eriodictyon trichocalyx R. G. Swinney 2010-9-7 13697 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259600  Descurainia pinnata R. G. Swinney 2010-5-11 12622 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR259601  Festuca perennis R. G. Swinney 2010-5-11 12626 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR259605  Lotus salsuginosus R. G. Swinney 2010-3-30 12118 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR259627  Nicotiana glauca R. G. Swinney 2010-4-15 12219 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259632  Rhamnus ilicifolia R. G. Swinney 2010-3-30 12123 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR259647  Juncus R. G. Swinney 2010-9-7 13718 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  UCR259653  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2010-10-8 14005 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  UCR259676  Linanthus dianthiflorus R. G. Swinney 2010-4-1 12140 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCR259678  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-13 12202 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR259679  Paeonia californica R. G. Swinney 2010-4-13 12203 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR259753  Mimulus guttatus R. G. Swinney 2010-4-20 12294 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 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
  UCR259898  Chorizanthe xanti var. xanti R. G. Swinney 2010-6-1 13079 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
  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
  UCR259900  Senecio vulgaris R. G. Swinney 2010-3-16 11950 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR259901  Phacelia minor R. G. Swinney 2010-3-30 12120 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR259905  Lupinus sparsiflorus R. G. Swinney 2010-3-16 11951 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR259927  Sonchus oleraceus R. G. Swinney 2010-4-1 12150 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
  UCR259932  Stipa lepida R. G. Swinney 2010-3-18 11969 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
  UCR259947  Antirrhinum coulterianum R. G. Swinney 2010-4-28 12438 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
  UCR259953  Marah macrocarpa R. G. Swinney 2010-4-28 12429 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
  UCR259976  Coreopsis bigelovii R. G. Swinney 2010-5-11 12637 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR259978  Salvia mellifera R. G. Swinney 2010-2-27 11769 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
  UCR259979  Malacothamnus fasciculatus R. G. Swinney 2010-2-27 11771 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
  UCR259990  Equisetum laevigatum R. G. Swinney 2010-3-16 11960 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR259991  Dendromecon rigida R. G. Swinney 2010-3-16 11954 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR259995  Matricaria discoidea R. G. Swinney 2010-3-16 11965 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR260010  Oxalis pes-caprae R. G. Swinney 2010-3-24 12095 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR260011  Erodium cicutarium R. G. Swinney 2010-5-7 12607 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  UCR260015  Salix exigua R. G. Swinney 2010-4-1 12152 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
  UCR260024  Prunus ilicifolia R. G. Swinney 2010-3-30 12105 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR260324  Rafinesquia californica R. G. Swinney 2010-5-4 12548 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
  UCR260336  Melica imperfecta R. G. Swinney 2010-5-4 12556 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
  UCR260339  Lupinus succulentus R. G. Swinney 2010-5-4 12540 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
  UCR260344  Carduus pycnocephalus R. G. Swinney 2010-5-4 12563 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
  UCR260365  Lupinus latifolius subsp. parishii R. G. Swinney 2010-4-30 12446 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  UCR260372  Eucalyptus camaldulensis R. G. Swinney 2010-2-27 11664 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR260380  Trifolium willdenovii R. G. Swinney 2010-6-21 13276 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
  UCR260381  Melica imperfecta R. G. Swinney 2010-4-23 12374 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR260385  Lotus strigosus var. strigosus R. G. Swinney 2010-2-27 11665 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
  UCR260402  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-6-21 13272 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
  UCR260616  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-8-9 13461 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCR260618  Encelia californica R. G. Swinney 2010-4-23 12375 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR260619  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12376 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR260623  Elymus glaucus subsp. glaucus R. G. Swinney 2010-8-9 13455 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail 427 Comment
  UCR260630  Senecio vulgaris R. G. Swinney 2010-4-1 12158 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
  UCR260788  Adenostoma fasciculatum R. G. Swinney 2010-8-9 13471 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCR260789  Rumex hymenosepalus R. G. Swinney 2010-2-27 11731 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
  UCR260792  Mirabilis laevis R. G. Swinney 2010-2-27 11734 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
  UCR261336  Salvia mellifera R. G. Swinney 2010-3-13 11874 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR261338  Hypochaeris glabra R. G. Swinney 2010-4-1 12160 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
  UCR261339  Pennisetum setaceum R. G. Swinney 2010-4-1 12161 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
  UCR261344  Opuntia littoralis R. G. Swinney 2010-4-1 12171 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash 331 Comment
  UCR261360  Oxalis pes-caprae R. G. Swinney 2010-2-27 11661 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
  UCR261361  Salix laevigata R. G. Swinney 2010-4-1 12169 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
  UCR261385  Salix laevigata R. G. Swinney 2010-2-27 11718 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
  UCR261535  Lobularia maritima R. G. Swinney 2010-2-27 11669 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
  UCR261543  Populus fremontii subsp. fremontii R. G. Swinney 2010-2-27 11707 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
  UCR261757  Solidago spectabilis R. G. Swinney 2010-9-13 13845 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
  UCR261766  Eleocharis R. G. Swinney 2010-9-13 13833 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
  UCR261768  Epipactis gigantea R. G. Swinney 2010-9-13 13821 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
  UCR261769  Heterotheca grandiflora R. G. Swinney 2010-2-27 11737 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
  UCR261788  Epilobium ciliatum R. G. Swinney 2010-9-13 13834 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
  UCR262101  Chenopodium strictum R. G. Swinney 2005-8-5 8397 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR269590  Scutellaria siphocampyloides R. G. Swinney 2011-6-29 15366 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  UCR269591  Stachys albens R. G. Swinney 2011-6-29 15340 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR269932  Camissonia campestris R. G. Swinney 2010-5-19 12791 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
  UCR269947  Cryptantha pterocarya R. G. Swinney 2010-6-1 13109 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  UCR269953  Eriophyllum confertiflorum R. G. Swinney 2010-6-1 13096 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  UCR269976  Cryptantha oxygona R. G. Swinney 2010-5-19 12775 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
  UCR269978  Gilia leptantha subsp. transversa R. G. Swinney 2010-5-19 12774 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
  UCR269979  Caulanthus lasiophyllus var. rigidus R. G. Swinney 2010-5-19 12790 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
  UCR269990  Baccharis salicifolia R. G. Swinney 2010-5-12 12726 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  UCR269991  Gayophytum heterozygum R. G. Swinney 2011-7-21 15549 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR269995  Muilla maritima R. G. Swinney 2010-5-19 12798 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
  UCR270007  Pectocarya setosa R. G. Swinney 2010-5-19 12805 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
  UCR270014  Lotus strigosus R. G. Swinney 2010-3-24 12051 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR270021  Calystegia macrostegia R. G. Swinney 2010-6-1 13094 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  UCR270025  Ehrharta calycina R. G. Swinney 2011-3-22 14177 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270040  Melica imperfecta R. G. Swinney 2011-4-9 14377 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  UCR270041  Muhlenbergia microsperma R. G. Swinney 2011-3-22 14176 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270045  Agrostis stolonifera R. G. Swinney 2010-9-9 13789 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR270052  Layia glandulosa R. G. Swinney 2011-4-20 14429 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
  UCR270064  Descurainia pinnata R. G. Swinney 2010-5-19 12794 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
  UCR270084  Solanum douglasii R. G. Swinney 2011-3-17 14121 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270097  Linanthus parryae R. G. Swinney 2011-4-20 14440 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
  UCR270100  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-7-21 15537 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270101  Lotus argophyllus var. argophyllus R. G. Swinney 2011-7-21 15336 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270105  Salvia mellifera R. G. Swinney 2011-3-17 14124 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270127  Mirabilis laevis R. G. Swinney 2010-6-1 13125 Los Angeles San Gabriel Mountains, 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
  UCR270153  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-21 15526 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270204  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-7-7 15425 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
  UCR270217  Artemisia dracunculus R. G. Swinney 2011-10-10 15739 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
  UCR270256  Solidago californica R. G. Swinney 2011-10-10 15761 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
  UCR270258  Eriogonum davidsonii R. G. Swinney 2011-7-7 15438 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
  UCR270259  Dendromecon rigida R. G. Swinney 2011-7-7 15437 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
  UCR270267  Plagiobothrys arizonicus R. G. Swinney 2011-4-1 14288 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
  UCR270449  Juncus bufonius var. bufonius R. G. Swinney 2011-6-30 15410 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270463  Penstemon centranthifolius R. G. Swinney 2011-5-12 14666 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCR270477  Rumex conglomeratus R. G. Swinney 2011-6-30 15412 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270483  Thysanocarpus laciniatus R. G. Swinney 2011-4-1 14313 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
  UCR270513  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-5-26 14860 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR270526  Datura wrightii R. G. Swinney 2010-4-15 12237 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  UCR270528  Pentagramma triangularis R. G. Swinney 2011-3-22 14189 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270529  Rhus aromatica R. G. Swinney 2011-3-22 14181 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270534  Stipa coronata R. G. Swinney 2010-4-13 12177 Los Angeles San Gabriel Mountains, 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
  UCR270634  Gilia diegensis R. G. Swinney 2011-5-24 14822 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR270646  Monardella breweri subsp. lanceolata R. G. Swinney 2011-10-10 15737 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
  UCR270649  Lonicera subspicata var. denudata R. G. Swinney 2011-11-1 15959 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR270663  Lotus oblongifolius R. G. Swinney 2011-6-29 15353 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270677  Trifolium microcephalum R. G. Swinney 2011-5-24 14810 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR270683  Pedicularis semibarbata R. G. Swinney 2011-8-17 15651 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270807  Agrostis idahoensis R. G. Swinney 2011-8-17 15623 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270814  Descurainia pinnata subsp. glabra R. G. Swinney 2011-5-24 14832 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR270820  Lotus oblongifolius R. G. Swinney 2010-9-9 13785 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR270821  Penstemon grinnellii R. G. Swinney 2010-9-9 13784 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR270825  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-24 14814 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR270833  Eriastrum sapphirinum R. G. Swinney 2011-5-24 14798 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR270840  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 2011-8-17 15618 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270841  Platanthera dilatata var. leucostachys R. G. Swinney 2011-8-17 15619 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270852  Mimulus cardinalis R. G. Swinney 2011-6-29 15347 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270864  Heliotropium curassavicum var. oculatum R. G. Swinney 2010-6-29 13394 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  UCR270897  Calyptridium monandrum R. G. Swinney 2011-4-20 14430 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
  UCR270913  Carex alma R. G. Swinney 2011-5-26 14875 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR270926  Penstemon centranthifolius R. G. Swinney 2011-6-14 15121 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270928  Crassula connata R. G. Swinney 2011-5-26 14882 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR270929  Mimulus pilosus R. G. Swinney 2011-5-26 14883 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR270946  Solanum umbelliferum R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14327 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  UCR270963  Cryptantha intermedia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14322 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  UCR270983  Melica imperfecta R. G. Swinney 2011-5-26 14856 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR271045  Erysimum capitatum R. G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR271064  Githopsis diffusa R. G. Swinney 2011-6-6 15015 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR271084  Phacelia davidsonii R. G. Swinney 2011-6-6 14985 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR271127  Lotus nevadensis R. G. Swinney 2011-10-10 15760 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
  UCR271132  Cryptantha muricata var. muricata R. G. Swinney 2011-6-14 15112 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR271147  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-7-8 15495 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCR271153  Ceanothus leucodermis R. G. Swinney 2011-7-8 15475 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
  UCR271176  Artemisia dracunculus R. G. Swinney 2011-7-8 15472 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
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Jan 24 2017
  UCR271178  Penstemon labrosus R. G. Swinney 2011-9-27 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 2384 Comment
  UCR271179  Carex R. G. Swinney 2011-9-27 15696 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
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Sep 12 2018
  UCR271190  Cryptantha muricata R. G. Swinney 2011-7-8 15507 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
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Jan 24 2017
  UCR271191  Lupinus bicolor R. G. Swinney 2011-6-6 14996 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR271204  Aster greatae R. G. Swinney 2011-11-1 15972 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  UCR271217  Ericameria parryi R. G. Swinney 2011-9-27 15706 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  UCR271256  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-12 14698 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  UCR271307  Phacelia distans R. G. Swinney 2011-5-12 14682 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCR271320  Gayophytum heterozygum R. G. Swinney 2011-10-10 15726 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
  UCR271321  Lupinus formosus var. formosus R. G. Swinney 2011-5-12 14718 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  UCR271397  Lamium amplexicaule R. G. Swinney 2011-3-26 14196 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
  UCR271477  Delphinium patens subsp. hepaticoideum R. G. Swinney 2011-5-3 14566 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 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
  UCR271528  Rhamnus californica subsp. californica R. G. Swinney 2011-5-31 14903 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
  UCR271529  Salvia columbariae R. G. Swinney 2011-5-31 14904 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
  UCR271534  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  UCR271546  Rhus ovata R. G. Swinney 2011-11-3 15994 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  UCR271548  Brickellia californica R. G. Swinney 2011-11-3 15992 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  UCR271549  Lonicera subspicata var. denudata R. G. Swinney 2011-11-3 15990 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  UCR271563  Tauschia parishii R. G. Swinney 2011-5-19 14785 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek 1073 Comment
  UCR271577  Camissonia strigulosa R. G. Swinney 2011-6-23 15288 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR271583  Descurainia pinnata R. G. Swinney 2011-5-19 14762 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  UCR271613  Boechera sparsiflora R. G. Swinney 2011-5-31 14917 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
  UCR271663  Aspidotis californica R. G. Swinney 2011-3-26 14216 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
  UCR271677  Lupinus bicolor R. G. Swinney 2011-5-31 14925 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
  UCR271726  Salix lasiolepis R. G. Swinney 2011-3-26 14212 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
  UCR271728  Erodium cicutarium R. G. Swinney 2011-3-26 14214 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
  UCR271729  Galium aparine R. G. Swinney 2011-3-26 14202 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
  UCR271734  Ageratina adenophora R. G. Swinney 2011-3-26 14210 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
  UCR271748  Lamarckia aurea R. G. Swinney 2011-3-26 14231 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
  UCR271814  Medicago polymorpha R. G. Swinney 2010-5-7 12596 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  UCR271820  Sisymbrium officinale R. G. Swinney 2010-4-30 12477 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  UCR271821  Salvia mellifera R. G. Swinney 2010-4-28 12401 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
  UCR271825  Chaenactis artemisiifolia R. G. Swinney 2010-3-24 12100 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UCR271833  Antirrhinum coulterianum R. G. Swinney 2010-3-24 12096 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UCR271840  Lupinus latifolius subsp. latifolius R. G. Swinney 2011-6-23 15278 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR271841  Hypericum scouleri R. G. Swinney 2011-6-23 15279 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR271845  Gnaphalium palustre R. G. Swinney 2011-6-23 15284 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR271852  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2011-6-23 15286 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR271864  Linanthus californicus R. G. Swinney 2011-6-23 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
  UCR271884  Salix gooddingii R. G. Swinney 2011-3-15 14070 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  UCR271913  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-24 12079 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR271963  Boechera sparsiflora R. G. Swinney 2011-6-20 15219 Los Angeles San Gabriel Mountains, southeast margin of Crystal Lake, 10-30 meters from water line 1692 Comment
  UCR271977  Gilia diegensis R. G. Swinney 2011-5-31 14890 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCR271983  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-31 14897 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
  UCR272010  Mimulus brevipes R. G. Swinney 2010-4-28 12414 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