Search Results — 2000 specimen records retrieved (1989 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC300501  Agalinis heterophylla R. G. Swinney 2009-11-9 11584 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
  CAS-BOT-BC445602  Echinodorus berteroi R. G. Swinney 2009-7-1 11295 Los Angeles Transverse Range; San Gabriel Mtns.: Puddingstone Diversion Dam, San Dimas Canyon. 354 Comment
  CAS-BOT-BC482461  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2--0.4 mi N of Gavina Ave., near E end of Wallabi Ave. 433 Comment
  CAS-BOT-BC536062  Githopsis diffusa R. G. Swinney 2011-6-6 15015 Los Angeles San Gabriel Mtns: Charlton Flats (= Pine Flats), 13.8 iles E of jct of Angeles Crest and Angeles Forest hwys 1615 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
  HSC101292  Pseudognaphalium biolettii R. G. Swinney 2009-3-28 10190 Los Angeles Transverse Range, San Gabriel Mtns.: Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi. up canyon 366 Comment
  HSC101348  Trifolium variegatum R. G. Swinney 2008-7-24 9350 Los Angeles San Gabriel Mtns.: Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  HSC104226  Lupinus microcarpus R. G. Swinney 2009-4-24 10439 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  HSC104231  Syntrichopappus fremontii R. G. Swinney 2009-4-24 10440 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  HSC104250  Centrostegia thurberi R. G. Swinney 2009-4-24 10463 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  LA212045  Bidens frondosa R. G. Swinney; 2009-11-9 11587 Los Angeles SAN GABRIEL MOUNTAINS, Confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork. 427.0 Comment
  OBI81430  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
  OBI82119  Ambrosia acanthicarpa R. G. Swinney 2009-11-13 11611 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
  RSA0010846  Eucalyptus camaldulensis R. G. Swinney 1999-4-8 7071 Los Angeles Claremont, north of Via Santa Catarina and Mountain Ave. 488 Comment
  RSA0011273  Lythrum hyssopifolia R. G. Swinney 2008-6-25 9105 Los Angeles Glendora, Harrow Canyon Debris Basin, seep on north-central side. 387 Comment
  RSA0011698  Elaeagnus angustifolia R. G. Swinney 2001-9-15 8183 Los Angeles San Gabriel Mountains: Little Jimmy Spring. 2256 Comment
  RSA0011724  Pteris vittata R. G. Swinney 2008-6-26 9106 Los Angeles Azusa, San Gabriel River Canyon c. 0.4 mi. east of El Encanto, near River Conservancy administration bldg. on south side of Old San Gabriel Cyn. Rd. 268 Comment
  RSA0012040  Nemacladus sigmoideus R. G. Swinney 2009-4-29 10596 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA0012048  Lupinus concinnus R. G. Swinney 2009-4-29 10592 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA0016140  Monardella australis R. G. Swinney 1997-6-25 5646 Los Angeles San Gabriel Mtns.: west of Wrightwood, Blue Ridge Trail, ca. 1.3 mi. SE of Hwy 2 2256 Comment
  RSA0017119  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-5-16 6063 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA0034384  Eremogone macradenia var. arcuifolia R. G. Swinney 1999-6-21 7377 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  RSA0035881  Lythrum californicum R. G. Swinney 2009-11-9 11587 B Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA0035897  Artemisia douglasiana R. G. Swinney 2009-11-9 11583 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA0036020  Pennisetum setaceum R. G. Swinney 2010-3-10 11804 Los Angeles San Gabriel Mountains/Verdugo Mountains: Sunland/Lake View Terrace, from Orcas Park to Hansen Dame, along Big & Little Tujunga washes. 305 Comment
  RSA0036047  Solidago californica R. G. Swinney 2009-11-16 11633 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0037413  Tanacetum parthenium R. G. Swinney 2010-9-1 13645 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0037424  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
  RSA0037425  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
  RSA0039128  Salvia columbariae R. G. Swinney 2010-5-29 13396 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 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
  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
  RSA0039388  Eriogonum elongatum R. G. Swinney 2009-11-16 11644 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0039389  Euthamia occidentalis R. G. Swinney 2009-11-16 11643 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0039393  Ericameria nauseosa R. G. Swinney 2009-11-16 11636 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0039462  Arctostaphylos glauca R. G. Swinney 2010-6-21 13253 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
  RSA0039643  Stephanomeria virgata R. G. Swinney 2010-5-29 13413 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0040378  Cryptantha intermedia R. G. Swinney 2010-5-11 12663 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
  RSA0042040  Vulpia myuros R. G. Swinney 2010-5-4 12493 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
  RSA0042971  Juniperus californica R. G. Swinney 2009-11-18 11659 Los Angeles summit of Oracle Hill, 1 air mi. ESE of junction of Angeles Forest Hwy & Soledad Canyon 1280 Comment
  RSA0047410  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-4 12486 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
  RSA0047418  Purshia glandulosa R. G. Swinney 2010-5-12 12704 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
  RSA0047905  Symphoricarpos mollis R. G. Swinney 2010-6-4 13063 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
  RSA0049478  Quercus durata var. gabrielensis Richard G. Swinney 2010-8-16 13517 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0049479  Ficus carica Richard G. Swinney 2010-8-16 13527 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0049482  Ambrosia acanthicarpa Richard G. Swinney 2010-8-16 13520 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0049486  Dudleya lanceolata Richard G. Swinney 2010-5-7 12614 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy, overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  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
  RSA0053864  Centaurea melitensis R. G. Swinney 2010-4-28 12439 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
  RSA0053865  Solanum umbelliferum R. G. Swinney 2010-4-28 12440 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
  RSA0053877  Phacelia fremontii R. G. Swinney 2010-5-11 12629 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
  RSA0053894  Encelia farinosa R. G. Swinney 2010-2-27 11770 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
  RSA0053895  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
  RSA0053900  Microseris lindleyi R. G. Swinney 2010-5-11 12631 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
  RSA0055764  Hordeum murinum R. G. Swinney 2010-4-1 12136 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  RSA0055765  Fraxinus uhdei R. G. Swinney 2010-4-1 12138 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  RSA0055777  Artemisia dracunculus R. G. Swinney 2010-4-28 12423 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
  RSA0055947  Bromus rubens Richard G. Swinney 2010-4-30 12462 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA0055992  Encelia farinosa Richard G. Swinney 2010-3-16 11927 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0055996  Helianthus annuus Richard G. Swinney 2010-3-16 11938 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
  RSA0056576  Mimulus 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
  RSA0057885  Eriodictyon trichocalyx Richard 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
  RSA0057921  Lupinus sparsiflorus Richard G. Swinney 2010-4-15 12218 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 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
  RSA0058199  Epilobium ciliatum Richard G. Swinney 2010-6-23 13359 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
  RSA0058221  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
  RSA0060470  Polygonum lapathifolium R. G. Swinney 2010-8-16 13545 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0060877  Frangula californica R. G. Swinney 2010-8-16 13555 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0062563  Dudleya pulverulenta R. G. Swinney 2010-4-15 12272 Los Angeles 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. 695 Comment
  RSA0062624  Eriogonum wrightii var. subscaposum R. G. Swinney 2010-9-9 13760 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
  RSA0062625  Calocedrus decurrens R. G. Swinney 2010-9-9 13761 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
  RSA0062630  Pseudognaphalium beneolens R. G. Swinney 2010-9-9 13768 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
  RSA0062691  Salsola tragus R. G. Swinney 2010-10-13 14034 Los Angeles 200 meters south of Lily Spring. 2529 Comment
  RSA0064053  Agrostis stolonifera R. G. Swinney 2010-9-9 13772 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
  RSA0064062  Ribes roezlii R. G. Swinney 2010-10-13 14015 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0064066  Ericameria nauseosa var. bernardina R. G. Swinney 2010-10-13 14042 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0067571  Adenostoma fasciculatum R. G. Swinney 2010-5-4 12500 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
  RSA0068083  Linanthus aureus subsp. aureus R. G. Swinney 2010-5-19 12840 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
  RSA0068253  Adenostoma fasciculatum R. G. Swinney 2010-3-22 12081 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  RSA0068300  Ephedra nevadensis R. G. Swinney 2010-5-12 12770 Los Angeles Carr Canyon above Mt. Emma Rd. crossing, 0.6 miles east of Littlerock Creek confluence with Carr Cyn. 945 Comment
  RSA0068308  Eleocharis R. G. Swinney 2010-5-12 12713 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
  RSA0068439  Artemisia californica R. G. Swinney 2010-8-16 13556 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0068461  Solanum umbelliferum R. G. Swinney 2010-3-18 11993 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
  RSA0069203  Lotus corniculatus R. G. Swinney 2010-6-8 13193 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
  RSA0069417  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-9-1 13641 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0069422  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-10 11799 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0069426  Astragalus trichopodus var. phoxus R. G. Swinney 2010-3-10 11809 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0069833  Sanicula crassicaulis R. G. Swinney 2010-6-8 13209 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
  RSA0069842  Pennisetum setaceum R. G. Swinney 2010-5-4 12488 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
  RSA0069846  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-20 12299 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 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
  RSA0069875  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-24 12090 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 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
  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
  RSA0073359  Gilia achilleifolia R. G. Swinney 2010-6-21 13305 Los Angeles 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
  RSA0073370  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-3-16 11946 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
  RSA0073379  Heteromeles arbutifolia R. G. Swinney 2010-6-8 13182 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
  RSA0073386  Brassica geniculata R. G. Swinney 2010-3-18 11986 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
  RSA0073613  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-10-8 13999 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  RSA0076012  Cryptantha muricata R. G. Swinney 2010-4-13 12206 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0076016  Crassula connata R. G. Swinney 2010-4-1 12128 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
  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
  RSA0078383  Oxytheca parishii var. parishii R. G. Swinney 2010-10-8 14010 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  RSA0079108  Cryptantha pterocarya R. G. Swinney 2001-4-18 7920 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  RSA0079293  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-5-6 10677 Los Angeles San Gabriel Mtns./Western Mojave Desert: Carr Canyon at confluence with Little Rock Creek. 909 Comment
  RSA0080073  Glycyrrhiza lepidota Richard G. Swinney 2010-6-4 13033 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0080397  Medicago polymorpha R. G. Swinney 2010-3-24 12048 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0080647  Cystopteris fragilis R. G. Swinney 2010-8-9 13483 Los Angeles Big Santa Anita Canyon, just below (downstream from) Spruce Grove Campground 915 Comment
  RSA0080653  Sonchus oleraceus R. G. Swinney 2010-5-29 13015 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
  RSA0080721  Rumex salicifolius R. G. Swinney 2010-9-7 13713 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
  RSA0080736  Rhus integrifolia R. G. Swinney 2010-4-23 12365 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 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
  RSA0080764  Galium angustifolium R. G. Swinney 2010-5-12 12733 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
  RSA0080765  Elymus elymoides R. G. Swinney 2010-5-12 12734 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
  RSA0080777  Marah macrocarpa R. G. Swinney 2010-4-15 12240 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
  RSA0080962  Melica imperfecta R. G. Swinney 2010-6-1 13098 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
  RSA0080973  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. 488 Comment
  RSA0081057  Sonchus asper R. G. Swinney 2010-5-12 12722 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
  RSA0081128  Eriogonum thurberi R. G. Swinney 2010-6-29 13386 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  RSA0081129  Rumex conglomeratus R. G. Swinney 2010-6-29 13387 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  RSA0081134  Elymus elymoides R. G. Swinney 2010-6-1 13097 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
  RSA0081135  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
  RSA0081304  Hordeum murinum R. G. Swinney 2010-3-24 12054 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
  RSA0081372  Stephanomeria virgata R. G. Swinney 2010-9-9 13787 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
  RSA0081376  Raphanus sativus R. G. Swinney 2010-3-16 11917 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
  RSA0081380  Hordeum murinum subsp. glaucum R. G. Swinney 2010-3-16 11909 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
  RSA0081388  Umbellularia californica R. G. Swinney 2010-8-26 13592 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
  RSA0081632  Pseudognaphalium luteoalbum R. G. Swinney 2010-9-9 13745 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
  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
  RSA0081707  Penstemon centranthifolius R. G. Swinney 2011-7-21 15550 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0081773  Amaranthus blitoides R. G. Swinney 2010-6-23 13324 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  RSA0081796  Pholistoma membranaceum R. G. Swinney 2010-5-12 12766 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
  RSA0081800  Trifolium hirtum R. G. Swinney 2010-6-21 13303 Los Angeles 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
  RSA0082402  Epilobium ciliatum R. G. Swinney 2010-9-7 13729 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  RSA0082406  Aquilegia formosa R. G. Swinney 2010-9-7 13720 Los Angeles 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
  RSA0082410  Euphorbia maculata R. G. Swinney 2010-9-1 13666 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
  RSA0082587  Salix laevigata R. G. Swinney 2010-6-4 12996 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA0082591  Chenopodium californicum R. G. Swinney 2010-6-1 13087 A Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA0082831  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2011-7-21 15553 A Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0082898  Centaurea melitensis R. G. Swinney 2010-5-7 12585 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
  RSA0082899  Galium aparine R. G. Swinney 2010-5-7 12586 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
  RSA0082963  Solanum douglasii R. G. Swinney 2010-8-26 13608 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA0083120  Elymus glaucus R. G. Swinney 2010-6-4 13032 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
  RSA0083128  Veronica R. G. Swinney 2010-6-4 13058 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
  RSA0083304  Erigeron foliosus R. G. Swinney 2010-6-4 13043 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
  RSA0083305  Cuscuta californica R. G. Swinney 2010-6-4 13042 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
  RSA0083311  Gilia capitata R. G. Swinney 2010-3-22 12016 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0084779  Phoradendron tomentosum R. G. Swinney 2010-9-13 13808 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA0084782  Senecio flaccidus var. douglasii R. G. Swinney 2010-6-23 13315 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  RSA0084857  Panicum capillare R. G. Swinney 2010-9-1 13664 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
  RSA0084951  Rhus ovata R. G. Swinney 2010-6-4 13041 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
  RSA0085288  Cercocarpus betuloides R. G. Swinney 2010-8-16 13533 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA0085289  Cirsium occidentale R. G. Swinney 2010-4-30 12472 Los Angeles near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  RSA0085330  Camissonia californica R. G. Swinney 2010-4-1 12165 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
  RSA0085338  Phacelia R. G. Swinney 2010-6-21 13279 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
  RSA0085503  Ericameria linearifolia R. G. Swinney 2010-6-1 13123 Los Angeles Lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  RSA0086780  Equisetum hyemale R. G. Swinney 1967-6-25 14061 Los Angeles Glendora Wilderness Park, Big Dalton Canyon. 335 Comment
  RSA0086830  Penstemon centranthifolius R. G. Swinney 2011-6-14 15156 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
  RSA0086918  Rhamnus ilicifolia R. G. Swinney 2010-8-9 13466 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA0086997  Filago californica R. G. Swinney 2010-3-30 12110 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA0087000  Verbascum blattaria R. G. Swinney 2010-3-30 12104 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA0087027  Stipa lepida R. G. Swinney 2010-3-18 11969 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
  RSA0087040  Logfia filaginoides R. G. Swinney 2010-3-13 11880 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 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
  RSA0087049  Muhlenbergia californica R. G. Swinney 2010-9-9 13790 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
  RSA0087084  Penstemon spectabilis R. G. Swinney 2010-3-30 12108 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA0087085  Lamarckia aurea R. G. Swinney 2010-4-30 12443 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
  RSA0087233  Brassica geniculata R. G. Swinney 2010-4-23 12336 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0087242  Nicotiana glauca R. G. Swinney 2010-5-4 12533 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
  RSA0087331  Dimorphotheca sinuata R. G. Swinney 2010-3-13 11886 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0087383  Camissonia californica R. G. Swinney 2010-5-25 12972 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0087390  Brassica geniculata R. G. Swinney 2010-5-25 12965 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  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
  RSA0087865  Sisymbrium officinale R. G. Swinney 2010-6-21 13285 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
  RSA0087877  Pellaea andromedifolia R. G. Swinney 2010-3-13 11873 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0088006  Dryopteris arguta R. G. Swinney 2010-6-21 13282 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
  RSA0088010  Lithophragma R. G. Swinney 2010-6-21 13289 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
  RSA0088111  Rubus ursinus R. G. Swinney 2010-4-30 12453 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
  RSA0088144  Amsinckia tessellata R. G. Swinney 2010-6-1 13089 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
  RSA0088145  Microseris lindleyi R. G. Swinney 2010-6-1 13090 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
  RSA0088152  Allophyllum divaricatum R. G. Swinney 2010-8-30 13611 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
  RSA0088156  Aspidotis californica R. G. Swinney 2010-8-30 13624 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
  RSA0088251  Pseudognaphalium californicum R. G. Swinney 2010-5-25 12963 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0088404  Ageratina adenophora R. G. Swinney 2010-2-27 11756 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
  RSA0088405  Salix lasiolepis R. G. Swinney 2010-2-27 11755 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA0088411  Ligustrum lucidum R. G. Swinney 2010-2-27 11761 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
  RSA0088568  Phacelia ramosissima R. G. Swinney 2010-5-11 12697 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
  RSA0088583  Elymus condensatus R. G. Swinney 2010-5-4 12554 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0088590  Solidago confinis R. G. Swinney 2010-9-13 13845 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
  RSA0088598  Medicago polymorpha R. G. Swinney 2010-5-4 12547 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0088619  Cuscuta R. G. Swinney 2010-3-24 12173 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
  RSA0089142  Melica imperfecta R. G. Swinney 2010-4-28 12397 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0089146  Eriophyllum confertiflorum R. G. Swinney 2010-3-24 12062 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0089513  Phacelia fremontii R. G. Swinney 2011-4-20 14424 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
  RSA0089524  Lupinus bicolor R. G. Swinney 2011-5-12 14702 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  RSA0091074  Ribes californicum R. G. Swinney 2011-4-9 14362 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
  RSA0091075  Toxicodendron diversilobum R. G. Swinney 2011-4-9 14363 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
  RSA0091081  Ehrharta calycina R. G. Swinney 2011-3-22 14177 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA0091097  Portulaca oleracea R. G. Swinney 2011-7-7 15464 Los Angeles Camp Colby (Colby Ranch), central camp area 1098 Comment
  RSA0091104  Osmorhiza berteroi R. G. Swinney 2011-8-17 15644 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
  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
  RSA0091137  Ribes nevadense R. G. Swinney 2011-8-17 15639 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091144  Descurainia pinnata subsp. glabra R. G. Swinney 2011-5-24 14832 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  RSA0091145  Salvia columbariae R. G. Swinney 2011-5-24 14831 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  RSA0091152  Pellaea andromedifolia R. G. Swinney 2011-11-1 15956 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0091156  Heteromeles arbutifolia R. G. Swinney 2011-11-1 15958 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0091163  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-7-7 15422 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0091320  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-26 14872 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
  RSA0091328  Eschscholzia californica R. G. Swinney 2011-6-30 15375 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0091334  Silene verecunda R. G. Swinney 2011-8-17 15635 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091335  Dodecatheon redolens R. G. Swinney 2011-8-17 15634 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091347  Carex alma R. G. Swinney 2011-5-12 14707 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Cyn. 1195 Comment
  RSA0091353  Arctostaphylos glauca R. G. Swinney 2011-6-15 15165 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA0091362  Purshia glandulosa R. G. Swinney 2011-4-1 14301 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091366  Amsinckia tessellata R. G. Swinney 2011-4-1 14291 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091480  Ribes malvaceum var. viridifolium R. G. Swinney 2011-3-22 14191 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA0091488  Quercus chrysolepis R. G. Swinney 2011-6-15 15166 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA0091493  Emmenanthe penduliflora R. G. Swinney 2010-3-13 11889 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0091517  Amsinckia tessellata R. G. Swinney 2011-4-20 14431 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
  RSA0091522  Eulobus californicus R. G. Swinney 2010-4-15 12260 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
  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
  RSA0091531  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2011-6-14 15127 Los Angeles Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0091711  Umbellularia californica R. G. Swinney 2011-4-9 14369 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
  RSA0091737  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-5-12 14678 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
  RSA0091744  Rafinesquia californica R. G. Swinney 2011-5-26 14865 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
  RSA0091745  Cryptantha microstachys R. G. Swinney 2011-5-26 14862 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
  RSA0091776  Pellaea andromedifolia R. G. Swinney 2011-4-9 14378 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
  RSA0091780  Solanum umbelliferum R. G. Swinney 2011-4-9 14367 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
  RSA0091789  Polystichum munitum R. G. Swinney 2011-11-1 15953 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0091793  Pseudognaphalium canescens R. G. Swinney 2011-10-10 15729 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
  RSA0091975  Juncus xiphioides R. G. Swinney 2011-6-30 15405 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0092157  Calocedrus decurrens R. G. Swinney 2011-9-22 15686 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
  RSA0092164  Camissonia hirtella R. G. Swinney 2010-5-11 12697 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
  RSA0092165  Gilia splendens R. G. Swinney 2010-5-11 12681 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
  RSA0092231  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. West side of creek. 1183 Comment
  RSA0092268  Equisetum laevigatum R. G. Swinney 2010-9-13 13830 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
  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
  RSA0092464  Poa R. G. Swinney 2011-6-23 15282 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  RSA0092465  Lepidospartum squamatum R. G. Swinney 2011-10-27 15921 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
  RSA0092549  Bituminaria bituminosa Richard 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
  RSA0092551  Cryptantha simulans Richard G. Swinney 2011-6-6 14989 Los Angeles San Gabriel Mountains: Charlton Flat (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0093054  Calystegia macrostegia subsp. arida Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14336 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
  RSA0093055  Helianthemum scoparium Richard 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 degrees) NNW of the trailhead. 451 Comment
  RSA0093463  Poa secunda Richard G. Swinney 2011-6-7 15062 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
  RSA0093472  Mimulus guttatus Richard G. Swinney 2011-6-7 15054 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
  RSA0094087  Arctostaphylos glandulosa Richard G. Swinney 2011-10-13 15796 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
  RSA0094091  Juncus effusus subsp. austrocalifornicus Richard G. Swinney 2011-10-13 15799 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
  RSA0094358  Antirrhinum coulterianum R. G. Swinney 2011-5-31 14895 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
  RSA0094359  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-31 14901 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
  RSA0094370  Cirsium occidentale var. californicum R. G. Swinney 2011-5-31 14921 B 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
  RSA0094552  Dichelostemma capitatum Richard G. Swinney 2011-6-6 15005 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0094563  Mimulus palmeri Richard G. Swinney 2011-6-6 15013 Los Angeles San Gabriel Mountains: Charlton Flat (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0094717  Gnaphalium microcephalum R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14328 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
  RSA0094924  Ceanothus leucodermis R. G. Swinney 2011-6-20 15228 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  RSA0095247  Stylocline gnaphaloides R. G. Swinney 2011-6-7 15037 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
  RSA0095312  Castilleja applegatei subsp. martinii Richard G. Swinney 2011-6-6 15016 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0095316  Claytonia perfoliata subsp. mexicana Richard G. Swinney 2011-6-6 14990 Los Angeles San Gabriel Mountains: Charlton Flat (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 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
  RSA0096796  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 1537 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
  RSA0096808  Mentzelia laevicaulis R. G. Swinney 2011-9-27 15705 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
  RSA0096809  Silene parishii R. G. Swinney 2011-9-27 15692 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
  RSA0096977  Calyptridium monandrum R. G. Swinney 2011-5-31 14892 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
  RSA0097169  Minuartia douglasii R. G. Swinney 2011-6-1 14967 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1061 Comment
  RSA0097183  Allophyllum divaricatum R. G. Swinney 2011-6-1 14962 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1061 Comment
  RSA0097613  Lantana montevidensis R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14350 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
  RSA0097783  Centaurea melitensis R. G. Swinney 2011-4-26 14522 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
  RSA0098363  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-1 15944 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  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
  RSA0098376  Arabis sparsiflora R. G. Swinney 2011-6-6 14987 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA0098632  Cryptantha muricata R. G. Swinney 2010-9-7 13712 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA0098636  Filago californica R. G. Swinney 2010-5-11 12696 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
  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
  RSA0098827  Eriogonum saxatile R. G. Swinney 2011-6-14 15136 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0098840  Collinsia parryi R. G. Swinney 2011-6-7 15045 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
  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
  RSA0100134  Rubus ursinus R. G. Swinney 2011-3-15 14069 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  RSA0100135  Delairea odorata R. G. Swinney 2011-3-15 14081 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA0101268  Caulanthus amplexicaulis R. G. Swinney 2011-6-22 15263 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1780 Comment
  RSA0101269  Claytonia parviflora R. G. Swinney 2011-3-18 14149 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA0101283  Lotus strigosus R. G. Swinney 2011-6-22 15260 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1780 Comment
  RSA0102531  Sambucus nigra subsp. caerulea Richard G. Swinney 2010-9-30 13954 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
  RSA0103794  Orobanche fasciculata R. G. Swinney 2011-6-14 15115 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0103801  Salix lasiolepis R. G. Swinney 2011-9-27 15693 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
  RSA0103928  Salix lasiolepis R. G. Swinney 2011-6-23 15318 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
  RSA0103929  Agoseris heterophylla R. G. Swinney 2011-6-23 15317 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
  RSA0105000  Brickellia californica R. G. Swinney 2011-10-25 15865 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
  RSA0105009  Pseudognaphalium biolettii R. G. Swinney 2011-4-26 14517 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
  RSA0105012  Erigeron sumatrensis R. G. Swinney 2011-10-25 15888 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  RSA0105016  Lactuca serriola R. G. Swinney 2011-10-27 15916 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
  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
  RSA0105040  Scrophularia californica R. G. Swinney 2011-4-26 14470 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
  RSA0105048  Cryptantha muricata var. denticulata R. G. Swinney 2011-4-26 14472 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
  RSA0105049  Lathyrus vestitus R. G. Swinney 2011-4-26 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. 378 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
  RSA0105210  Ambrosia acanthicarpa R. G. Swinney 2011-10-27 15925 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
  RSA0105218  Chorizanthe watsonii R. G. Swinney 2011-6-7 15042 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
  RSA0105219  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. 1585 Comment
  RSA0105482  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA0105486  Bromus hordeaceus R. G. Swinney 2011-3-18 14148 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA0105750  Solanum umbelliferum R. G. Swinney 2011-7-7 15446 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
  RSA0105758  Plagiobothrys collinus R. G. Swinney 2011-6-7 15039 A 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
  RSA0105971  Elymus hispidus R. G. Swinney 2011-7-8 15509 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
  RSA0106119  Erodium cicutarium R. G. Swinney 2011-3-15 14074 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA0106497  Artemisia dracunculus R. G. Swinney 2011-10-18 15833 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
  RSA0106733  Chaenactis glabriuscula R. G. Swinney 2011-5-19 14790 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  RSA0106774  Rhus ovata R. G. Swinney 2011-11-3 15995 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
  RSA0106775  Chaenactis stevioides R. G. Swinney 2011-5-31 14929 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
  RSA0106826  Ribes roezlii R. G. Swinney 2011-8-5 15611 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
  RSA0106904  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2008-10-8 9538 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA0106905  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2008-10-8 9525 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  RSA0107650  Trifolium obtusiflorum R. G. Swinney 2011-6-23 15307 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
  RSA0107658  Conium maculatum R. G. Swinney 2011-6-23 15305 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center. 1582 Comment
  RSA0107659  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-23 15299 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA0107700  Corethrogyne filaginifolia R. G. Swinney 2011-10-18 15847 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
  RSA0108831  Cryptantha barbigera R. G. Swinney 2010-5-21 12893 A 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
  RSA0108890  Caulanthus lasiophyllus R. G. Swinney 2011-4-1 14309 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
  RSA0110200  Turricula parryi Richard G. Swinney 2011-5-16 14727 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
  RSA0110208  Mentzelia congesta Richard G. Swinney 2011-5-16 14753 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19 in upper Big Tujunga Cyn., c. 150m north of lodge on a SW-facing slope, E of the swimming pool. 1220 Comment
  RSA0110526  Lotus strigosus R. G. Swinney 2011-6-7 15085 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
  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
  RSA0110598  Salsola tragus Richard G. Swinney 2010-9-30 13916 Los Angeles 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
  RSA0110599  Oxytheca parishii var. parishii Richard G. Swinney 2010-9-30 13915 Los Angeles 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
  RSA0110756  Heteromeles arbutifolia R. G. Swinney 2011-10-25 15867 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
  RSA0110788  Agrostis Richard G. Swinney 2010-9-30 13920 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
  RSA0110793  Cryptantha intermedia R. G. Swinney 2011-4-28 14528 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
  RSA0110813  Amaranthus albus R. G. Swinney 2011-10-18 15821 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
  RSA0110918  Lotus scoparius R. G. Swinney 2011-9-22 15687 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge. 1009 Comment
  RSA0110919  Chenopodium R. G. Swinney 2011-9-22 15670 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA0111944  Lepidium fremontii Richard G. Swinney 2011-4-19 14404 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
  RSA0111945  Cryptantha circumscissa Richard G. Swinney 2011-4-19 14403 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
  RSA0112021  Lotus salsuginosus Richard G. Swinney 2011-3-29 14275 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
  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
  RSA0112523  Garrya flavescens Richard G. Swinney 2011-10-13 15803 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
  RSA0112558  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-15 15188 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
  RSA0112766  Lupinus sparsiflorus R. G. Swinney 2011-3-29 14245 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
  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
  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
  RSA0115257  Clarkia bottae Richard G. Swinney 2010-5-25 12942 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0115264  Emmenanthe penduliflora Richard G. Swinney 2010-6-8 13230 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA0115265  Pseudognaphalium stramineum Richard G. Swinney 2010-6-8 13229 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA0115314  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-25 12916 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0115315  Adenostoma fasciculatum R. G. Swinney 2010-5-25 12915 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0115833  Camissonia californica R. G. Swinney 2011-3-29 14253 Los Angeles San Gabriel Mts.; Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel. 366 Comment
  RSA0115961  Holodiscus discolor var. microphyllus R. G. Swinney 2010-9-21 13869 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA0115991  Keckiella cordifolia R. G. Swinney 2010-8-11 13495 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA0116164  Phacelia cryptantha R. G. Swinney 2010-5-21 12854 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
  RSA0116165  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-29 13246 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
  RSA0116177  Trichostema parishii R. G. Swinney 2011-6-15 15200 Los Angeles San Gabriel Mountains; SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail. 1622 Comment
  RSA0116283  Lupinus bicolor R. G. Swinney 2010-6-1 13172 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
  RSA0116342  Cylindropuntia californica var. parkeri R. G. Swinney 2010-10-5 13978 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  RSA0116346  Phacelia distans R. G. Swinney 2010-5-21 12889 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
  RSA0116571  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-30 13932 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  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
  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
  RSA0116696  Chenopodium fremontii R. G. Swinney 2010-9-30 13938 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
  RSA0116757  Rhus ovata R. G. Swinney 2010-8-23 13575 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA0116794  Scrophularia californica R. G. Swinney 2010-5-25 12932 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116795  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12933 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 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
  RSA0116814  Rhamnus californica R. G. Swinney 2011-6-7 15093 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
  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
  RSA0119515  Langloisia matthewsii R. G. Swinney 2014-4-23 16155 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
  RSA0119541  Encelia actoni R. G. Swinney 2014-4-30 16284 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
  RSA0119657  Bromus rubens R. G. Swinney 2014-4-30 16283 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
  RSA0119796  Hemizonia fasciculata R. G. Swinney 2014-5-15 16510 Los Angeles San Gabriel Mountains; Glendora, ridge system between west fork and north fork of Hook Cyn., 0.48 miles n. of Sierra Madre Ave. 427 Comment
  RSA0119943  Yucca brevifolia R. G. Swinney 2014-4-23 16172 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
  RSA0120021  Chlorogalum pomeridianum var. pomeridianum R. G. Swinney 2014-5-19 16557 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
  RSA0120032  Anthriscus caucalis R. G. Swinney 2014-5-15 16524 Los Angeles San Gabriel Mountains; Azusa Peak, 0.06 miles s. of Glendora Ridge Mtwy., 1.34 mi. due east of Hwy. 39, 0.15 miles e. of north Garcia Trailhead, in Colby Fire burn area of Jan. 2014. 625 Comment
  RSA0120153  Galium angustifolium R. G. Swinney 2014-4-30 16287 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
  RSA0121947  Thysanocarpus desertorum R. G. Swinney 2009-4-2 10273 Los Angeles Bob s Gap, 3.5 miles south of Hwy 138 on east side of Bob s Gap Road 1220 Comment
  RSA0122861  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1999-6-18 7280 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  RSA0127041  Eriogonum angulosum R. G. Swinney 2014-4-17 16104 Los Angeles San Gabriel Mountains/Mojave Desert: SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct. 896 Comment
  RSA0127623  Opuntia basilaris var. brachyclada Richard G. Swinney 2014-4-24 16223 Los Angeles San Gabriel Mountains/Mojave Desert: SE of Valyermo, Shoemaker Cyn., S-facing slope on side of Big Pines Hwy at 2nd horseshoe curve, 0.7 miles ENE of Big Rock Creek Rd. 1244 Comment
  RSA0128663  Arabis repanda R. G. Swinney 1998-7-14 6444 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  RSA0129392  Boechera xylopoda R. G. Swinney 1998-6-12 6961 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
  RSA574329  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1994-6-20 2955 Los Angeles South Fork Lytle Creek 1000 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
  RSA575566  Cornus sericea subsp. occidentalis R. G. Swinney 1994-6-11 2876 Los Angeles W of Wrightwood, approx. 1.5 miles SE of Big Pine Forest Service Center on Blue Ridge Nature Trail. Ca. 100 ft. W of trail in stream bottom. 2255 Comment
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Nov 23 2013
  RSA584444  Allium monticola R. G. Swinney 1992-7-10 1853 Los Angeles Boundary between Los Angeles and San Bernardino counties. San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  RSA596360  Acacia mearnsii R. G. Swinney 1989-7-14 s.n. Los Angeles Base of San Gabriel Mtns., in and near the city of Glendora. S of water reservoir at N terminus of Englewild Ave. 396 Comment
  RSA596455  Lupinus truncatus R. G. Swinney 1989-4-15 s.n. Los Angeles Big Dalton Canyon, in and near Glendora Wilderness Park ''Owl Flats'' 442 Comment
  RSA596973  Astragalus leucolobus R. G. Swinney 1996-5-27 4864 Los Angeles Eastern San Gabriel Mountains: N of Wrightwood, E of Table Mountain, ca. 0.25 mile SE of Smithsonian Observatory 2195 Comment
  RSA597290  Madia elegans subsp. densifolia R. G. Swinney 1994-8-23 3223 Los Angeles San Gabriel Mountains: Mount Baldy Road on W shoulder, approx. 1/4 mi SW of Mount Baldy Road Junction with Glendora Mountain Road. 1219 Comment
  RSA598261  Quercus engelmannii R. G. Swinney 1989-5-20 s.n. Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon. 150 yds E of Big Dalton Campground, 1 mi NE of Glendora Mtn. Rd. 427 Comment
  RSA598278  Amorpha californica var. californica R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Water Pipe Canyon, 1 mi. NE of Glendora Wilderness Park. 457 Comment
  RSA598948  Cercocarpus betuloides var. betuloides R. G. Swinney 1989-11-24 1486 Los Angeles San Gabriel Mountains, Glendora Wilderness Park, Paul Keiser Nature Trail. 473 Comment
  RSA617185  Ambrosia acanthicarpa 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
  RSA714984  Eriogonum maculatum R. G. Swinney 1997-9-6 5857 Los Angeles San Gabriel Mountains; Jackson Lake area W of Wrightwood; 0.9 mi N of Big Pines Rd on Forestry Service Rd 4N16 1890 Comment
  RSA717842  Sanicula crassicaulis R. G. Swinney 1991-4-23 1585 Los Angeles San Gabriel Valley: Glendora, South Hills City Park, along Toyon Trail, south of Mauna Loa Park. 244 Comment
  RSA717855  Parietaria hespera var. hespera R. G. Swinney 1997-5-13 5517 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  RSA717857  Mentzelia micrantha R. G. Swinney 1997-5-13 5515 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  RSA717954  Phoradendron serotinum subsp. tomentosum R. G. Swinney 1997-7-14 5677 Los Angeles West of Wrightwood, Table Mtn. area, approx. 100 m NW of amphitheater and Table Mtn. Campground. 2207 Comment
  RSA717985  Cercocarpus ledifolius var. ledifolius R. G. Swinney 1997-4-25 5502 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  RSA717987  Madia gracilis R. G. Swinney 1997-5-13 5520 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  RSA718065  Cercocarpus ledifolius var. ledifolius R. G. Swinney 1997-8-19 5821 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA718067  Arctostaphylos parryana R. G. Swinney 1997-8-19 5812 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA718115  Caulanthus major R. G. Swinney 1997-6-13 5570 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
  RSA718213  Achnatherum parishii subsp. parishii R. G. Swinney 1997-6-13 5580 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
  RSA718266  Geranium carolinianum R. G. Swinney 1998-4-13 5969 Los Angeles Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of N terminous of Mills Ave., on Cobal Canyon Rd. 543 Comment
  RSA718269  Eschscholzia minutiflora R. G. Swinney 1998-4-14 5993 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  RSA718273  Cytisus monspessulanus R. G. Swinney 1998-4-13 5961 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  RSA718288  Mentzelia veatchiana R. G. Swinney, Dave Larson 1996-7-17 5127 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
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Jun 26 2010
  RSA719030  Medicago polymorpha R. G. Swinney 1998-4-13 5960 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  RSA719116  Arceuthobium campylopodum R. G. Swinney 1997-8-6 5758 Los Angeles Table Mountain area, Jesus Canyon west of road 4N47, NW of Wrightwood. 1905 Comment
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Mar 27 2014
  RSA719586  Castilleja minor subsp. spiralis R. G. Swinney 1997-7-14 5674 Los Angeles Glendora, Big Dalton Canyon Debris Basin, Big Dalton Canyon 341 Comment
  RSA719589  Stephanomeria spinosa R. G. Swinney 1997-7-17 5688 Los Angeles Summit of Table Mountain, NW of Wrightwood. 2277 Comment
  RSA719636  Dodecatheon clevelandii subsp. clevelandii R. G. Swinney 1998-3-14 5908 Los Angeles Evey Canyon, ca. 0.75 mi. W of Mt. Baldy Rd., ca. 0.3 mi. NE of Potato Mtn. 793 Comment
  RSA719639  Paspalum dilatatum R. G. Swinney 1997-12-31 5892 Los Angeles South Coast: Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway about 300 m E of Irwindale Ave. 152 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
  RSA719748  Corethrogyne filaginifolia R. G. Swinney, Dave W. Larson 1996-8-7 5237 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
  RSA719928  Quercus engelmannii R. G. Swinney 1997-9-27 5881 Los Angeles between Live Oak Canyon and Marshall Canyon, 0.25 mi. NW of Live Oak Canyon Dam 512 Comment
  RSA720474  Plantago major R. G. Swinney 1997-9-6 5872 Los Angeles Jackson Lake W of Wrightwood 1875 Comment
  RSA720608  Chenopodium fremontii R. G. Swinney 1997-7-17 5721 Los Angeles 0.5 mi. N of smiit of Table Mountain, NW of Wrightwood; 0.8 mi. NE of FS Rd. 4N21 (paved) on 4N21B 2134 Comment
  RSA720611  Platanthera sparsiflora Richard G. Swinney 1997-7-22 5710 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area 2073 Comment
  RSA721488  Aspidotis californica R. G. Swinney 1995-4-4 3477 Los Angeles Glendora. Ridge overlooking S end of Mystic Canyon at Big Dalton Canyon 451 Comment
  RSA725832  Cryptantha simulans R. G. Swinney 1997-6-25 5651 Los Angeles San Gabriel Mtns.: west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  RSA725848  Equisetum laevigatum R. G. Swinney 1997-6-25 5648 Los Angeles San Gbriel 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
  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
  RSA726042  Chenopodium californicum R. G. Swinney 1998-4-14 6005 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
  RSA726055  Dactylis glomerata R. G. Swinney 1997-6-25 5636 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  RSA726057  Thinopyrum intermedium R. G. Swinney 1997-6-25 5635 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  RSA727250  Dudleya cymosa R. G. Swinney 1998-6-12 6190 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.2 mi. due east of reservoir of mouth of Mescal Canyon. 1448 Comment
  RSA727254  Agoseris retrorsa R. G. Swinney 1998-6-12 6181 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir. 1500 Comment
  RSA727361  Mentzelia veatchiana R. G. Swinney 1998-5-16 6067 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA727403  Adiantum capillus-veneris R. G. Swinney 1998-5-30 6162 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA727534  Chaenactis xantiana R. G. Swinney 1998-5-16 6089 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  RSA729096  Euphorbia palmeri R. G. Swinney 1999-7-5 7507 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  RSA729103  Camissonia campestris subsp. campestris R. G. Swinney 1999-6-28 7447 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, south of Mescal highlands Rd. 1341 Comment
  RSA729179  Monardella cinerea R. G. Swinney 1998-7-14 6439 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  RSA729181  Vulpia microstachys var. microstachys R. G. Swinney 1998-7-14 6441 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top' montane coniferous forest. 2247 Comment
  RSA729193  Bromus diandrus R. G. Swinney 1999-5-15 7165 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  RSA729205  Bromus hallii R. G. Swinney 1998-10-3 7001 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
  RSA729210  Erigeron breweri R. G. Swinney 1998-10-3 6998 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
  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
  RSA729233  Sisymbrium altissimum R. G. Swinney 1998-7-10 6402 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
  RSA729319  Equisetum laevigatum R. G. Swinney 1999-6-30 7474 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. 1561 Comment
  RSA729337  Antirrhinum multiflorum R. G. Swinney 1999-7-28 7583 Los Angeles San Gabriel Mtns.: Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence. 951 Comment
  RSA729346  Galium aparine R. G. Swinney 1999-6-25 7402 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
  RSA729349  Grayia spinosa R. G. Swinney 1999-5-1 7099 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
  RSA729363  Penstemon spectabilis var. subviscosus R. G. Swinney 1998-7-27 6494 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA729379  Mimulus rubellus R. G. Swinney 1998-7-21 6469 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
  RSA729381  Mimulus rubellus R. G. Swinney 1998-7-14 6455 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 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
  RSA729418  Muhlenbergia californica R. G. Swinney 1998-8-21 6778 Los Angeles Cow Canyon, upper NE fork, north of Cow Canyon Rd. c. 0.7 mi. NW of Cow Canyon Saddle. 1348 Comment
  RSA729420  Hieracium argutum R. G. Swinney 1998-8-21 6785 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  RSA729432  Aquilegia formosa R. G. Swinney 1998-7-14 6425 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
  RSA729448  Lupinus hyacinthinus R. G. Swinney 1998-7-8 6315 Los Angeles San Gabriel Mtns.: N of Wrightwood, eastern end of Jackson Flat. 2287 Comment
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May 4 2010
  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
  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
  RSA729461  Collinsia torreyi var. wrightii R. G. Swinney 1998-7-8 6339 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA729478  Cuscuta denticulata R. G. Swinney 1999-6-21 7378 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  RSA729483  Bromus carinatus R. G. Swinney 1999-6-21 7394 Los Angeles Boulder Canyon, upper end near Hwy 2. Canyon bottom in montane coniferous forest, with weak riparian development. 1805 Comment
  RSA729491  Selaginella asprella R. G. Swinney 1998-8-27 6806 Los Angeles ridge due north of Big Horn Ridge and south of San Antonio Ridge hight spor on ridge above Coldwater Canyon. Montane coniferous forest and chaparral on rige top. 2378 Comment
  RSA729511  Eriogonum nudum R. G. Swinney 1999-7-5 7539 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  RSA729527  Forestiera pubescens R. G. Swinney 1999-6-28 7450 Los Angeles Graham Canyon, south of Mescal Highlands Rd. Narrow canyon, sandy soil with boulders, one area with moist soil but no water flow; riparian vegetation surrounded by pinyon-juniper woodland. 1341 Comment
  RSA729541  Arctostaphylos patula R. G. Swinney 1998-6-16 6991 Los Angeles San Gabriel Mtns; summit of Lookout (Antonio) Mountain. 2070 Comment
  RSA729553  Mimulus floribundus R. G. Swinney 1999-7-14 7552 Los Angeles San Gabriel Mtns.: Laurel Gulch, an eastern tributary of East Fork San Gabriel River Canyon. 732 Comment
  RSA729571  Collinsia callosa R. G. Swinney 1998-6-12 6187 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.2 mi. due east of reservoir of mouth of Mescal Canyon. 1448 Comment
  RSA729586  Juncus xiphioides R. G. Swinney 1999-6-30 7485 Los Angeles San Gabriel Mtns.: Grand View Canyon, c. 1.1 mi. north of Big Pines hwy at All Nation Camp 1585 Comment
  RSA729598  Mimulus floribundus R. G. Swinney 1998-7-10 6380 Los Angeles San Gabriel Mtns.: Prairie Fork, near Cabin Flats Campground 1622 Comment
  RSA729600  Mentzelia congesta R. G. Swinney 1998-7-10 6383 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
  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
  RSA729645  Galium parishii R. G. Swinney 1998-7-2 6236 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729647  Phacelia fremontii R. G. Swinney 1998-7-2 6232 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729652  Ceanothus cordulatus R. G. Swinney 1998-7-2 6251 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729664  Chaenactis santolinoides R. G. Swinney 1998-7-2 6254 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729690  Silene verecunda subsp. platyota R. G. Swinney 1998-8-31 6865 Los Angeles San Antonio Ridge, 1.1 mi. west of Baldy, east of saddle. 2415 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
  RSA729701  Camissonia hirtella R. G. Swinney 1998-7-27 6507 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA729718  Lotus crassifolius var. crassifolius R. G. Swinney 1999-6-18 7337 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA729720  Elymus glaucus R. G. Swinney 1999-6-21 7347 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA729724  Galium angustifolium subsp. angustifolium R. G. Swinney 1999-6-18 7324 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  RSA729748  Oxytheca parishii var. parishii R. G. Swinney 1998-7-2 6267 Los Angeles San Gabriel Mtns.: north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1963 Comment
  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
  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
  RSA729778  Lomatium nevadense var. parishii R. G. Swinney 1998-7-6 6296 Los Angeles San Gabriel Mtns.: Grassy Hollow, east of Jackson Flats, on ridge c. 200 m north of entrance to Grassy Hollow Campground 2195 Comment
  RSA729783  Tamarix ramosissima R. G. Swinney 1998-8-10 6723 Los Angeles San Gabriel Mtns.: Cattle Canyon, west of (downstream from) Thompson Flat. 671 Comment
  RSA729815  Sonchus asper R. G. Swinney 1998-7-10 6379 Los Angeles San Gabriel Mtns.: Prairie Fork, near Cabin Flats Campground 1622 Comment
  RSA729817  Oxytheca parishii var. parishii R. G. Swinney 1998-7-6 6287 Los Angeles San Gabriel Mtns.: Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rod. 1720 Comment
  RSA729836  Lonicera interrupta R. G. Swinney 1999-6-21 7354 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  RSA729839  Juncus balticus subsp. ater R. G. Swinney 1999-6-21 7360 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA729845  Juncus macrophyllus R. G. Swinney 1999-6-18 7336 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA729847  Frangula californica subsp. californica R. G. Swinney 1999-6-21 7352 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  RSA729852  Abies concolor R. G. Swinney 1998-8-27 6823 Los Angeles West Baldy Peak. 3018 Comment
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Aug 9 2009
  RSA729860  Camissonia pallida subsp. pallida R. G. Swinney 1999-5-22 7195 Los Angeles East fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA729864  Adiantum jordanii R. G. Swinney, D. W. Larson 1999-5-29 7237 Los Angeles lower East Fork San Dimas Canyon. 573 Comment
  RSA729875  Claytonia perfoliata R. G. Swinney 1999-5-22 7205 Los Angeles Le Montaine Canyon, c. 0.5 mi. south of Camp Junilee Rd. 1701 Comment
  RSA729890  Polystichum imbricans subsp. curtum R. G. Swinney 1998-8-30 6858 Los Angeles South fork of Dry Lake Canyon, a western tributary of San Antonio Canyon. 985 Comment
  RSA729928  Viola purpurea subsp. purpurea R. G. Swinney, Dave Larson 1998-4-26 6033 Los Angeles Browns Flat, San Dimas Experimental Forest 1317 Comment
  RSA729944  Madia gracilis R. G. Swinney, D. W. Larson 1999-6-25 7411 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
  RSA729965  Lotus oblongifolius var. oblongifolius R. G. Swinney 1999-5-22 7200 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.25 mi. south of Camp Jubilee Rd. 1610 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
  RSA730172  Ericameria nauseosa var. bernardina R. G. Swinney 1998-8-31 6881 Los Angeles San Antonio Ridge, 2.1 mi. west of West Mt. Baldy. 2232 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
  RSA730286  Antirrhinum coulterianum R. G. Swinney 1998-8-1 6629 Los Angeles San Gabriel Mtns.: Vincent Gulch, 1.2 mi. SE of Vincent Gap Trail Head, c. 2 mi. east of the summit of Mt. Baden-Powell 1631 Comment
  RSA730289  Carex multicaulis R. G. Swinney 1998-8-5 6642 Los Angeles San Gabriel Mtns.: Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 Comment
  RSA730298  Erigeron foliosus R. G. Swinney 1998-9-4 6918 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA730704  Lobelia dunnii var. serrata R. G. Swinney 1997-5-31 5534 Los Angeles near Mt. Baldy School, south of Mt. Baldy village, c. 75 m east of San Antonio Canyon. Spring dense marshy meadow. 1280 Comment
  RSA730717  Chorizanthe watsonii R. G. Swinney 1997-6-13 5582 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. 1829 Comment
  RSA732775  Claytonia parviflora subsp. parviflora R. G. Swinney 2000-6-19 7815 Los Angeles San Gabriel Mtns.: Pine Mountain, north of Azusa. 1384 Comment
  RSA732818  Cycladenia humilis R. G. Swinney 2000-9-16 7867 Los Angeles San Gabriel Mtns.: Coldwater Canyon tributary, 1st canyon south of San Antonio Ridge. 2439 Comment
  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
  RSA732848  Galium angustifolium subsp. angustifolium R. G. Swinney 2001-5-18 7936 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
  RSA732856  Camissonia boothii R. G. Swinney 2001-5-17 7949 Los Angeles Valyermo area, south end of Bobs Gap, west-facing slope at junction of Panorama and Bobs Gap roads. 1244 Comment
  RSA732861  Zigadenus brevibracteatus Richard G. Swinney 2001-5-17 7954 Los Angeles Bobs Gap, c. 1/4 mile north of Panorama Rd. on Bobs Gap Rd. 1232 Comment
  RSA732908  Potamogeton crispus R. G. Swinney 1997-6-19 5610 -B Los Angeles San Gabriel Mtns.: SE end of Jackson Lake, west of Wrightwood 1872 Comment
  RSA732911  Eleocharis parishii R. G. Swinney 1997-6-19 5613 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  RSA732925  Epilobium ciliatum subsp. glandulosum R. G. Swinney 1999-8-14 7627 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4 air mi WSW of Dawson Peak 2146 Comment
  RSA732927  Calochortus albus Richard G. Swinney 2000-5-21 7773 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
  RSA732941  Calyptridium parryi var. parryi R. G. Swinney 1999-8-9 7606 Los Angeles East end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  RSA733034  Phacelia davidsonii R. G. Swinney 1998-7-8 6342 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA733043  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6704 Los Angeles Alder Gulch, a western tributary of upper East Fork San Gabriel River. 1159 Comment
  RSA733135  Polypogon australis R. G. Swinney 1998-8-1 6608 Los Angeles Mine Gulch at East Fork of San Gabriel River Canyon. Open canyon bottom, lower Mine Gulch with no riparian development except right at aconfluence; sandy-silty soil with rocks. 1341 Comment
  RSA733158  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1997-6-13 5593 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  RSA733163  Packera ionophylla R. G. Swinney 1997-6-13 5586 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. 1829 Comment
  RSA733176  Saltugilia australis R. G. Swinney 1998-8-5 6665 Los Angeles San Gabriel Mtns.: East Fork San Gabriel River, c. 0.4 mi. south of Alder Gulch. 1098 Comment
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Aug 9 2009
  RSA733179  Oenothera elata subsp. hookeri R. G. Swinney 1998-8-1 6609 Los Angeles Mine Gulch at East Fork of San Gabriel River Canyon. Open canyon bottom, lower Mine Gulch with no riparian development except right at confluence; sandy-silty soil with rocks. 1341 Comment
  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
  RSA733228  Elymus glaucus R. G. Swinney 1998-8-17 6770 Los Angeles Upper Coldwater Canyon at NE end of Heaton Flat Trail 1244 Comment
  RSA733282  Lotus procumbens R. G. Swinney 2001-6-16 7977 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
  RSA733393  Galium hallii R. G. Swinney 2001-6-16 7968 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, secondary ridge between Miller and McClure canyons. 1951 Comment
  RSA733448  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. +/-1000m. Comment
  RSA733571  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-8-13 6751 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  RSA733664  Aralia californica R. G. Swinney 1998-7-24 6569 Los Angeles San Gabriel Mtns.: Upper Fish Fork of San Gabriel River. 1585 Comment
  RSA733675  Allophyllum glutinosum R. G. Swinney 1998-8-5 6650 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  RSA733677  Adiantum capillus-veneris R. G. Swinney 1998-8-5 6653 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  RSA733720  Monardella saxicola R. G. Swinney 2000-6-25 7800 Los Angeles San Gabriel Mtns.: ridge on west side of San Antonio Canyon, between Evey Canyon and nameless 1st canyon to north, c. 1/2 mi. west of San Antonio Cyn. Rd. 1159 Comment
  RSA733756  Clarkia dudleyana R. G. Swinney 2000-5-21 7781 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 1 mi. S of junction with Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  RSA733759  Adiantum capillus-veneris R. G. Swinney 2000-5-25 7782 Los Angeles San Gabriel Mnts.: Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon. 304 Comment
  RSA733778  Lilium parryi Richard G. Swinney 1998-7-29 6529 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
  RSA733836  Rumex obtusifolius R. G. Swinney 2000-5-10 7676 Los Angeles San Gabriel Mtns.: San Gabriel River bottom, ca. 600 m NE of confluence with Fish Canyon betweenbike path and river bottom. +/- 1000 m. 220 Comment
  RSA744262  Pterospora andromedea R. G. Swinney 2001-8-27 8106 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
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Apr 20 2010
  RSA746417  Phacelia imbricata R. G. Swinney 2008-5-13 8857 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 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
  RSA746632  Pteridium aquilinum var. pubescens R. G. Swinney 2008-4-11 8658 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA746775  Lupinus succulentus R. G. Swinney 2008-4-17 8682 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA746777  Malva parviflora R. G. Swinney 2008-4-17 8680 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA746794  Polygonum lapathifolium R. G. Swinney 2008-3-26 8571 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA746953  Phacelia longipes R. G. Swinney 2008-5-2 8721 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA747048  Ribes aureum var. gracillimum R. G. Swinney 2008-4-16 8669 Los Angeles San Dimas, Spring Canyon. 341 Comment
  RSA747056  Cynodon dactylon R. G. Swinney 2008-5-30 8886 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA747059  Carduus pycnocephalus R. G. Swinney 2008-5-30 8900 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA747061  Torilis arvensis R. G. Swinney 2008-6-2 8922 Los Angeles San Gabriel Canyon, 1.0 mi. above (NE) of El Encanto park office, on shoulder of the old road 268 Comment
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Apr 17 2011
  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
  RSA747141  Pellaea mucronata subsp. mucronata R. G. Swinney 2008-6-9 8972 Los Angeles lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  RSA747198  Pycnanthemum californicum R. G. Swinney 2005-8-5 8385 Los Angeles Big Rock Creek at Paradise Springs. 1439 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
  RSA747327  Erigeron foliosus R. G. Swinney 2005-8-11 8441 Los Angeles Big Rock Creek at Paradise Springs 1439 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
  RSA747398  Bromus diandrus R. G. Swinney 2008-6-9 8958 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA747409  Juncus balticus subsp. ater R. G. Swinney 2008-6-9 8960 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA747413  Erigeron foliosus R. G. Swinney 2008-6-9 8964 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA747422  Filago californica R. G. Swinney 2008-5-12 8845 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
  RSA747466  Gazania linearis R. G. Swinney 2008-4-4 8611 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA747558  Paeonia californica R. G. Swinney 2008-4-16 8675 Los Angeles San Dimas, Spring Canyon, north end between east and west forks of canyon. 393 Comment
  RSA747579  Lotus heermannii R. G. Swinney 2005-8-22 8508 Los Angeles San Gabriel Mountains: Devils Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  RSA747581  Eriogonum heermannii R. G. Swinney 2005-8-11 8449 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  RSA747685  Drymocallis glandulosa var. viscida R. G. Swinney 2001-8-27 8107 Los Angeles Throop Peak, west of Mt. Baden-Powell. 2780 Comment
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Oct 25 2012
  RSA747972  Erigeron foliosus R. G. Swinney 2001-9-15 8154 Los Angeles San Gabriel Mountains: Mt Islip. 2512 Comment
  RSA747984  Iva axillaris R. G. Swinney 2005-5-21 8269 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  RSA748075  Eleocharis palustris R. G. Swinney 2005-5-21 8272 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
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Nov 5 2010
  RSA748077  Carex subfusca R. G. Swinney 2001-9-15 8133 Los Angeles Lily Spring, N slope of Mt. Hawkins , 7.5 air miles W SW of Wrightwood, 2561 Comment
  RSA748397  Helianthus gracilentus R. G. Swinney 2008-4-1 8601 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  RSA748402  Asphodelus fistulosus Richard G. Swinney 2008-4-4 8606 Los Angeles lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA748462  Ribes cereum R. G. Swinney 2001-8-18 8051 Los Angeles Mt. Baden-Powell 2854 Comment
  RSA748673  Bromus hordeaceus R. G. Swinney 2008-3-31 8583 Los Angeles Glendora Mountain summit 1003 Comment
  RSA748792  Aster greatae R. G. Swinney 2001-8-10 8026 Los Angeles West fork of Little Dalton Canyon Debris Basin, Glendora, north of Glendora Mtn. Road 351 Comment
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May 4 2011
  RSA748851  Gilia R. G. Swinney 2008-5-8 8791 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
  RSA748888  Ribes cereum R. G. Swinney 2001-8-11 8037 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  RSA748896  Bromus diandrus R. G. Swinney 2005-5-21 8268 Los Angeles west of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  RSA748903  Viola purpurea R. G. Swinney 2008-5-13 8868 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA748916  Cryptantha muricata R. G. Swinney 2008-5-2 8727 -A Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA749035  Purshia glandulosa R. G. Swinney 2008-5-2 8743 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA749037  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA749076  Phacelia lemmonii R. G. Swinney 2005-8-11 8453 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA749079  Eriogonum davidsonii R. G. Swinney 2005-8-11 8445 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  RSA749113  Medicago lupulina R. G. Swinney 2005-8-9 8418 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA749239  Stephanomeria pauciflora R. G. Swinney 2005-8-11 8443 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA750093  Lolium perenne subsp. perenne R. G. Swinney 2008-4-30 8704 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA750106  Rhamnus ilicifolia R. G. Swinney 2008-5-5 8768 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA750109  Phlox gracilis R. G. Swinney 2008-5-5 8771 Los Angeles 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
  RSA750833  Asclepias fascicularis R. G. Swinney 2005-8-9 8400 Los Angeles Big Rock Creek at Paradise Springs 1439 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
  RSA755461  Datisca glomerata R. G. Swinney 2008-7-16 9263 Los Angeles Little Rock Creek Canyon, 1.7 miles south of Burkhart Saddle along the Burkhart Trail at stream crossing. 1793 Comment
  RSA755568  Conyza canadensis R. G. Swinney 2008-9-9 9330 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA755586  Juncus rugulosus R. G. Swinney 2008-7-12 9175 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA755589  Gayophytum R. G. Swinney 2008-7-15 9228 Los Angeles Winston Peak. 2275 Comment
  RSA755598  Medicago lupulina R. G. Swinney 2008-7-12 9166 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA755615  Toxicodendron diversilobum R. G. Swinney 2008-9-9 9323 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 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
  RSA755815  Platanthera sparsiflora Richard G. Swinney 2008-7-2 9138 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA755817  Pteridium aquilinum var. pubescens R. G. Swinney 2008-7-2 9131 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA755821  Senecio vulgaris R. G. Swinney 2008-12-2 9907 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
  RSA755836  Phacelia distans R. G. Swinney 2008-6-17 9043 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
  RSA755839  Penstemon heterophyllus R. G. Swinney 2008-6-25 9100 Los Angeles Glendora, West Harrow Canyon, 0.4 mi. NW of Harrow Canyon Debris Basin 439 Comment
  RSA755845  Rubus parviflorus R. G. Swinney 2008-7-2 9126 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
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Jun 13 2013
  RSA755852  Solidago californica R. G. Swinney 2008-7-2 9132 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA755860  Phacelia distans R. G. Swinney 2009-1-19 9992 Los Angeles Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  RSA755875  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-16 9247 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  RSA755877  Eriogonum saxatile R. G. Swinney 2008-7-16 9259 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  RSA755894  Tagetes palmeri R. G. Swinney 2008-6-24 9098 Los Angeles mouth of Roberts Canyon, c. 100 m north of San Gabriel Canyon 213 Comment
  RSA755905  Penstemon rostriflorus R. G. Swinney 2008-7-24 9296 Los Angeles Waterman Mountain 2412 Comment
  RSA755944  Lupinus R. G. Swinney 2008-7-25 9306 Los Angeles Twin Peaks, east peak 2357 Comment
  RSA755995  Senecio flaccidus var. douglasii R. G. Swinney 2008-10-7 9464 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA756081  Gilia latiflora R. G. Swinney 1998-4-14 5985 Los Angeles 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
  RSA756151  Veronica anagallis-aquatica R. G. Swinney 2008-7-12 9167 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA756741  Juncus xiphioides R. G. Swinney 2008-6-24 9084 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  RSA756900  Phacelia fremontii R. G. Swinney 2008-6-17 9028 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  RSA756904  Penstemon centranthifolius R. G. Swinney 2008-6-17 9038 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  RSA756915  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  RSA756994  Poa secunda R. G. Swinney 2008-7-3 9146 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  RSA757074  Cordylanthus nevinii R. G. Swinney 2008-9-12 9448 Los Angeles Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  RSA757082  Platanthera sparsiflora Richard G. Swinney 2008-9-13 9459 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  RSA757266  Pectocarya setosa R. G. Swinney 1998-4-14 5988 Los Angeles 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
  RSA757269  Grayia spinosa R. G. Swinney 1998-4-14 5991 Los Angeles 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
  RSA758716  Gutierrezia microcephala R. G. Swinney 2008-10-7 9466 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA760559  Lathyrus vestitus R. G. Swinney 2009-3-10 10059 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA760561  Fraxinus velutina R. G. Swinney 2009-3-10 10069 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 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
  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
  RSA760607  Rhus ovata R. G. Swinney 2008-11-30 9894 Los Angeles Azusa, San Gabriel River Canyon, 1.6 mi. north of Foothill Blvd. at El Encanto Dr., at confluence with Fish Canyon 210 Comment
  RSA760674  Castilleja applegatei R. G. Swinney 2008-8-13 9403 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA760697  Muhlenbergia californica R. G. Swinney 2008-9-10 9422 Los Angeles South Fork Big Rock Creek 1463 Comment
  RSA762330  Lepidospartum squamatum R. G. Swinney 2008-11-30 9863 Los Angeles San Gabriel Mtns.: Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  RSA762334  Eriogonum elongatum R. G. Swinney 2008-10-22 9674 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
  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
  RSA762366  Ceanothus oliganthus var. oliganthus R. G. Swinney 2009-3-16 10117 Los Angeles Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  RSA762425  Rosa californica R. G. Swinney 2008-10-16 9616 Los Angeles Big Pine Meadow 2061 Comment
  RSA762427  Carex abrupta R. G. Swinney 2008-10-16 9625 Los Angeles Big Pine Meadow 2061 Comment
  RSA762453  Umbellularia californica R. G. Swinney 2009-2-20 10003 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA762498  Typha domingensis R. G. Swinney 2008-11-29 9856 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
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Oct 28 2018
  RSA762501  Lythrum californicum R. G. Swinney 2008-11-29 9852 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA762644  Juniperus californica R. G. Swinney 2008-11-30 9892 Los Angeles Azusa, San Gabriel River Canyon, 1.6 mi. north of Foothill Blvd. at El Encanto Dr., at confluence with Fish Canyon 210 Comment
  RSA762695  Muhlenbergia richardsonis R. G. Swinney 2008-7-24 9353 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA762697  Agrostis R. G. Swinney 2008-7-24 9351 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA762708  Deschampsia elongata R. G. Swinney 2008-7-24 9349 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA762711  Sisymbrium erysimoides R. G. Swinney 2009-2-20 10026 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
  RSA763023  Amaranthus albus R. G. Swinney 2009-3-13 10110 -A Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel. 192 Comment
  RSA763517  Solidago confinis R. G. Swinney 2008-11-29 9857 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA764064  Ceanothus integerrimus R. G. Swinney 2008-8-13 9393 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  RSA770345  Mimulus floribundus R. G. Swinney 2008-6-24 9085 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  RSA771553  Oxytheca trilobata R. G. Swinney 2009-5-28 10957 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771568  Chenopodium californicum R. G. Swinney 2009-5-6 10666 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA771589  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771598  Muilla maritima Richard G. Swinney 2009-5-27 10903 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  RSA771600  Aesculus californica R. G. Swinney 2009-6-1 10981 Los Angeles San Antonio Canyon, north of Claremont/Upland, west side of Mt. Baldy Rd. 0.85 mi. north of Shinn Rd. 841 Comment
  RSA771604  Orobanche R. G. Swinney 2009-5-28 10972 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771636  Melica imperfecta R. G. Swinney 2009-6-2 10984 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA771639  Galium johnstonii R. G. Swinney 2009-6-2 10987 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA771645  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-5-13 10793 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA771647  Atriplex canescens R. G. Swinney 2009-5-13 10798 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA771778  Arctostaphylos glauca R. G. Swinney 2009-5-20 10820 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA771836  Symphoricarpos rotundifolius var. parishii R. G. Swinney 2009-5-28 10918 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771839  Eleocharis R. G. Swinney 2009-5-28 10924 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771845  Chaenactis glabriuscula R. G. Swinney 2009-5-27 10904 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  RSA771847  Scutellaria siphocampyloides R. G. Swinney 2009-5-27 10907 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  RSA771852  Eriogonum umbellatum R. G. Swinney 2009-5-28 10915 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771905  Vulpia bromoides R. G. Swinney 2009-6-2 11027 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA772100  Cryptantha barbigera R. G. Swinney 2009-5-20 10853 -A Los Angeles Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA772104  Forestiera pubescens R. G. Swinney 2009-5-20 10849 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA772152  Potentilla glandulosa R. G. Swinney 2009-6-2 11000 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA772164  Xylorhiza tortifolia R. G. Swinney 2009-5-12 10742 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164deg.) of Littlerock 1061 Comment
  RSA772194  Cryptantha simulans R. G. Swinney 2009-5-27 10866 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
  RSA772296  Mentzelia ravenii R. G. Swinney 2009-4-28 10520 Los Angeles summit of Mt. Emma. 1585 Comment
  RSA772299  Elymus elymoides R. G. Swinney 2009-4-28 10536 Los Angeles summit of Mt. Emma 1585 Comment
  RSA772300  Coreopsis bigelovii R. G. Swinney 2009-4-28 10538 Los Angeles summit of Mt. Emma 1585 Comment
  RSA772304  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles summit of Mt. Emma. 1585 Comment
  RSA772364  Argyranthemum foeniculaceum R. G. Swinney 2009-5-9 10711 Los Angeles Azusa/Duarte, San Gabriel River channel, 0.5 mi. north of Foothill Blvd. under the Puente Largo railway bridge 184 Comment
  RSA772375  Camissonia campestris R. G. Swinney 2009-5-12 10729 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  RSA772390  Delphinium parishii R. G. Swinney 2009-5-12 10715 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
  RSA772394  Centaurea melitensis R. G. Swinney 2009-5-8 10697 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA772423  Grayia spinosa R. G. Swinney 2009-4-29 10614 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 945 Comment
  RSA773285  Layia glandulosa R. G. Swinney 2009-4-28 10554 Los Angeles summit of Mt. Emma 1585 Comment
  RSA773287  Penstemon centranthifolius R. G. Swinney 2009-6-24 11275 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA773292  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-24 11281 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA773301  Leptosiphon ciliatus R. G. Swinney 2009-6-3 11057 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773530  Dicentra chrysantha R. G. Swinney 2009-6-28 11290 Los Angeles 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
  RSA773534  Eriophyllum wallacei R. G. Swinney 2009-4-29 10576 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA773612  Prunus persica R. G. Swinney 2009-6-27 11288 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge. 194 Comment
  RSA773672  Madia minima R. G. Swinney 2009-6-3 11039 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773781  Wyethia ovata R. G. Swinney 2009-7-22 11307 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
  RSA773855  Aster greatae R. G. Swinney 2009-8-19 11449 Los Angeles Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  RSA773857  Thinopyrum intermedium R. G. Swinney 2009-8-25 11468 Los Angeles west summit of Table Mountain, NE of Big Pines 2284 Comment
  RSA774051  Cirsium occidentale R. G. Swinney 2009-6-12 11127 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
  RSA774163  Castilleja applegatei R. G. Swinney 2009-7-22 11329 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA774179  Eriodictyon trichocalyx R. G. Swinney 2009-7-22 11334 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
  RSA774244  Chorizanthe perfoliata R. G. Swinney 2009-5-5 10641 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing. 951 Comment
  RSA774265  Salix lasiolepis R. G. Swinney 2009-6-8 11088 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774270  Rhamnus californica R. G. Swinney 2009-6-8 11093 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774282  Castilleja pruinosa R. G. Swinney 2009-6-8 11084 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774604  Penstemon rostriflorus R. G. Swinney 2009-7-29 11416 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA774617  Ceanothus leucodermis R. G. Swinney 2009-7-29 11425 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA774732  Melica stricta R. G. Swinney 2009-6-17 11158 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  RSA774748  Ceanothus greggii R. G. Swinney 2009-6-17 11163 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  RSA774791  Monardella breweri subsp. lanceolata R. G. Swinney 2009-7-23 11382 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774800  Horkelia rydbergii R. G. Swinney 2009-7-23 11396 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774839  Malosma laurina R. G. Swinney 2009-6-12 11151 Los Angeles El Encanto Azusa River Wilderness Park 296 Comment
  RSA774845  Tetradymia axillaris var. longispina R. G. Swinney 2009-4-29 10587 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA774860  Lotus nevadensis R. G. Swinney 2009-6-24 11243 Los Angeles summit of Granite Mountain 1988 Comment
  RSA774864  Silene verecunda R. G. Swinney 2009-6-24 11248 Los Angeles Summit of Granite Mountain. 1988 Comment
  RSA776321  Larrea tridentata R. G. Swinney 2009-4-29 10610 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA777518  Bromus R. G. Swinney 2009-5-27 10863 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA777520  Bromus tectorum R. G. Swinney 2009-5-20 10799 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA777524  Eriogonum davidsonii R. G. Swinney 2009-5-20 10839 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA777870  Hirschfeldia incana R. G. Swinney 2009-6-12 11116 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
  RSA777874  Elymus elymoides R. G. Swinney 2009-6-17 11207 Los Angeles ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA777915  Juncus bufonius R. G. Swinney 2009-6-2 11022 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA777921  Cistanthe monandra R. G. Swinney 2009-5-6 10672 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 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
  RSA779212  Claytonia perfoliata R. G. Swinney 2009-6-8 11079 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779451  Opuntia basilaris var. brachyclada R. G. Swinney 2009-6-17 11223 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA779984  Garrya flavescens R. G. Swinney 2009-6-17 11218 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA780005  Pellaea mucronata R. G. Swinney, Jane Strong 2009-4-7 10304 Los Angeles San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  RSA780007  Crassula tillaea R. G. Swinney 2009-4-7 10302 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA780996  Camissonia R. G. Swinney 2009-5-27 10908 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  RSA781009  Ceanothus greggii R. G. Swinney 2009-5-28 10963 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA781013  Chenopodium californicum R. G. Swinney 2009-5-13 10773 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  RSA781214  Lotus salsuginosus R. G. Swinney 2009-3-31 10224 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  RSA781295  Heterocodon rariflorum R. G. Swinney 2009-7-22 11370 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA781297  Cuscuta californica R. G. Swinney 2009-7-22 11368 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA781815  Hypericum formosum R. G. Swinney 2009-7-22 11365 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA781817  Juncus macrophyllus R. G. Swinney 2009-7-23 11372 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA781821  Ribes cereum R. G. Swinney 2009-8-25 11485 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782206  Polygonum aviculare R. G. Swinney 2009-8-25 11473 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782209  Chenopodium R. G. Swinney 2009-8-25 11488 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782213  Salsola R. G. Swinney 2009-8-25 11493 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782438  Juncus xiphioides R. G. Swinney 2008-5-30 8909 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  RSA787264  Liquidambar styraciflua R. G. Swinney 2009-4-13 10328 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
  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
  SD197727  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles San Gabriel Mountains; Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  SD197766  Elaeagnus angustifolia R. G. Swinney 2001-9-15 8183 Los Angeles San Gabriel Mountains: Little Jimmy Spring. 2256 Comment
  SD197818  Malvella leprosa R. G. Swinney 2005-8-5 8360 Los Angeles San Gabriel Mountains: Caldwell Lake at Mile High, 0.4 miles west of junction of 204th Street East and Bip Pines Highway. 1561 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
  SD197857  Gilia capitata R. G. Swinney 2005-4-9 8209 Los Angeles San Gabriel Mountains: San Dimas, Sycamore Canyon. 395 Comment
  SD197912  Lithophragma R. G. Swinney 1998-3-14 5909 Los Angeles Evey Canyon, ca. 0.75 mile west of Mt. Baldy Rd., ca. 0.3 mile northeast of Potato Mtn. 793 Comment
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Dec 7 2018
  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
  SD237260  Bromus catharticus R. G. Swinney 2009-4-13 10314 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: San Gabriel River under the Puente Largo railway bridge, .5 mi north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  SD237266  Elymus ponticus R. G. Swinney 2008-6-17 9025 Los Angeles San Gabriel Mountains: 2.3 mi. north of Hwy 2 at Vincent Gap Pinyon Ridge Motorway. 1992 Comment
  SD237286  Lomatium mohavense R. G. Swinney 2009-4-28 10525 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt Emma. 1584 Comment
  SD237289  Perideridia pringlei R. G. Swinney 2009-5-6 10655 Los Angeles Transverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon, 0.4 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. One population c. 0.8 mi. SE of Mt. Emma Rd. 963 Comment
  SD237370  Cryptantha pterocarya R. G. Swinney 2009-4-28 10537 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  SD237379  Plagiobothrys collinus R. G. Swinney 2009-5-28 10926 Los Angeles Transverse Range; San Gabariel Mountains: Sulphur Springs Campground, South Fork of Little Rock Creek (Waterman Mtn 7.5'Q) 1584 Comment
  SD237567  Polygonum aviculare R. G. Swinney 2009-8-25 11473 Los Angeles Transverse Range: San Gabriel Mountains: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn, Road and Big Pines Road (Mescal Creek 7.5'Q) 2061 Comment
  SD237624  Pedicularis semibarbata R. G. Swinney 2008-7-24 9283 Los Angeles San Gabriel Mountains: Waterman Mountain (Waterman Mountain 7.5'Q) 2412 Comment
  SD239498  Lemna minuta R. G. Swinney 2009-3-11 10083 Los Angeles San Gabriel Mountains Foothills: Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park (Azusa 7.5'Q) 295 Comment
  SD239836  Gayophytum R. G. Swinney 2008-7-15 9228 Los Angeles San Gabriel Mountains: Winston Peak (Waterman Mountain 7.5'Q) 2281 Comment
  SD247357  Cryptantha muricata R. G. Swinney 2010-5-4 12498 Los Angeles San Gabriel Mountains: North of Sylmar, 0.1 mile NNE 6 degrees of Stetson Debris Basin, at north end of motorway at powerlines, west (250 degrees) of the debris basin in Sombrero Cyn., 0.4 mile north of I-210 Fwy. 487 Comment
  SD248291  Typha R. G. Swinney 2009-11-9 11585 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 (Glendora 7.5'Q) 427 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
  SD253317  Pentagramma triangularis R. G. Swinney 2011-3-26 14217 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
  SD253337  Vulpia myuros R. G. Swinney 2011-3-26 14226 Los Angeles San Gabriel Mountains: San Dimas Experminetal 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
  SD253358  Osmorhiza brachypoda R. G. Swinney 2011-5-3 14577 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Pllacerita Canyon Rd., Ecology Trail east of the Nature Center. 487 Comment
  SD253363  Ambrosia acanthicarpa R. G. Swinney 2011-10-27 15925 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 m east of entrancce gate to Cogswell Damm, between FS Rd 2N25 and the stream. 648 Comment
  SD253383  Ericameria linearifolia R. G. Swinney 2011-4-1 14316 Los Angeles San Gabriel Mts./SW Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile south of California Aqueduct, 20-200 m W of Cheseboro Rd. (Palmdale 7.5'Q) 890 Comment
  SD253408  Cryptantha pterocarya var. pterocarya R. G. Swinney 2011-4-1 14289 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
  SD253447  Acmispon strigosus R. G. Swinney 2011-5-31 14930 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
  SD253471  Phacelia brachyloba R. G. Swinney 2011-6-14 15145 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air-mile SSW of the junction of Angeles Crest Hwy, Charlton Flat entrance (Chilao Flat 7.5'Q) 1646 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
  SD253512  Dendromecon rigida R. G. Swinney 2011-5-31 14915 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
  SD253532  Delphinium parishii R. G. Swinney 2011-6-23 15294 Los Angeles San Gabriel Mountains; Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 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
  SD255607  Bothriochloa barbinodis R. G. Swinney 2011-3-18 14173 Los Angeles San Gabriel Mountains: Glendora foothills, along Marshall Trail between Mull Canyon and Morgan Ranch Road/Morgan Canyon, in dedicated open space. (Glendora 7.5'Q) 366 Comment
  SD255835  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 (Crystal Lake 7.5'Q) 2421 Comment
  SD260149  Juncus macrophyllus R. G. Swinney 2011-6-1 14940 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Criso Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy (Chilao Flat 7.5'Q) 1096 Comment
  SD260154  Bromus madritensis subsp. rubens R. G. Swinney 2010-5-19 12830 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
  SD260176  Chaenactis xantiana R. G. Swinney 2010-5-19 12779 Los Angeles San Gabriel Mountains / Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Tel. Access Rd., west of Angeles Natl. Forest boundary, 2.05 air miles due E of Angeles Forest Hwy., 0.8 miles due W of Mt. Emma Rd. 1335 Comment
  SD260253  Emmenanthe penduliflora R. G. Swinney 2010-5-19 12829 Los Angeles San Gabriel Mountains/Western Mojave Desert Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just W of Angeles Nat. Forest boundary, 2.05 air miles due E of Angeles Forest Hwy., 0.8 mi. due W of Mt Emma Rd. 1335 Comment
  SD260301  Galium angustifolium R. G. Swinney 2010-5-19 12812 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station at end of Pacific Telephone Access Rd., just W of Angeles Natl. Forest boundary, 2.05 air miles E of Angeles Forest Hwy, 0.8 miles due W of Mt. Emma Rd. 1335 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
  SD262148  Hesperoyucca whipplei R. G. Swinney 2014-5-27 16661 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forks of Hook Cyn, c. 400 south of Glendora Ridge Mtwy & 200 m north of Church of the Open Door, NE of Hook Cyn debris basin (Glendora 7.5'Q) 445 Comment
  SD262370  Purshia tridentata var. glandulosa R. G. Swinney 2014-4-24 16228 Los Angeles San Gabriel Mountains/Mojave Desert: SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. Site of small, c. 4 ac., fire in 2013. 1244 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
  SEINET13203273 Image available Camissonia californica R. G. Swinney 2011-1 14957 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 (Chilao Flat 7.5' Q.) 1096 Comment
  SEINET13203280 Image available Pectocarya penicillata R. G. Swinney 2011-1 1479 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg. SSE of Jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. (Chilao Flat 7.5' Q.) (T3N R12W S35) 1018 Comment
  SEINET13203289 Image available Rubus ursinus R. G. Swinney 2011-1 14171 Los Angeles San Gabriel Mts.: Glendora foothills, Mull Canyon below debris basin, along Mull Cyn. Road (Glendora 7.5' Q.) (T1N R9W S28) 329 Comment
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Oct 19 2018
  SEINET13276731 Image available Hypochaeris glabra R. G. Swinney 2011-1 14474 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
  SEINET13276773 Image available Dysphania botrys R. G. Swinney 2011-1 15919 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.) (T2N R10W) 649 Comment
  SEINET13276789 Image available Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-1 14483 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
  SEINET13276802 Image available Asteraceae R. G. Swinney 2011-1 15888 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
  SEINET13276845 Image available Elymus elymoides subsp. elymoides R. G. Swinney 2011-1 15510 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the north base of Strawberry Peak (Chilao Flat 7.5' Q.) 1170 Comment
  SEINET13297604 Image available Poa secunda R. G. Swinney 2010-1 12198 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5' Q.) (T3N R14W S30) 561 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
  SEINET13383125 Image available Phacelia cicutaria var. hispida R. G. Swinney 2010-1 12112 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; 34.15222 -117.93056 207 Comment
  SEINET13383541 Image available Erodium cicutarium R. G. Swinney 2010-1 11979 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 539 Comment
  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
  SEINET13384021 Image available Spartium junceum R. G. Swinney 2010-1 12107 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; 34.15222 -117.93056; 34.15222 -117.93056 207 Comment
  SEINET13384025 Image available Verbascum blattaria R. G. Swinney 2010-1 12104 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
  SEINET13384033 Image available Chaenactis santolinoides R. G. Swinney 2011-1 15310 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
  SEINET13386990 Image available Clarkia xantiana R. G. Swinney 2011-1 14922 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5' Q) 1096 Comment
  SEINET13386997 Image available Phacelia distans R. G. Swinney 2011-1 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. (Pacifico Mtn. 7.5' Q.) (T4N R12W S15) 1061 Comment
  SEINET13386999 Image available Epilobium brachycarpum R. G. Swinney 2011-1 15896 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5' Q.) 649 Comment
  SEINET13387000 Image available Rubus armeniacus R. G. Swinney 2011-1 15898 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
  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
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Oct 19 2018
  SEINET13387009 Image available Lupinus latifolius R. G. Swinney 2011-1 15376 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
  SEINET13387011 Image available Panicum capillare R. G. Swinney 2011-1 15382 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
  SEINET13387015 Image available Calocedrus decurrens R. G. Swinney 2011-1 15769 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
  SEINET13387021 Image available Ribes nevadense R. G. Swinney 2011-1 15707 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
  SEINET13387025 Image available Onagraceae R. G. Swinney 2011-1 15444 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  SEINET13387033 Image available Artemisia dracunculus R. G. Swinney 2011-1 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 (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  SEINET13387061 Image available Muhlenbergia rigens R. G. Swinney 2011-1 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 (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  SEINET13387097 Image available Gnaphalium microcephalum R. G. Swinney 2011-1 15682 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  SEINET2441336  Gilia angelensis R. G. Swinney 2008-4-10 8626 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir (Glendora 7.5' Q.). 463 Comment
  SEINET2444586  Allophyllum divaricatum R. G. Swinney 2000-5-20 7690 Los Angeles San Gabriel Mtns. NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 (Glendora 7.5' Q.). 610 Comment
  SEINET2473461 Image available Eriastrum sapphirinum Richard 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 226 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
  SEINET3072310 Image available Eriogonum trichopes R. G. Swinney 2009-4-29 10604 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert: Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence (Palmdale 7.5' Q). 945 Comment
  SEINET3095430 Image available Ribes malvaceum Dick Swinney 1990-1-6 1507 Los Angeles San Gabriel Mountains, 70 yards W of Glendora Mountain Road, just N of Glendora Ridge Motorway on an old dirt road. Comment
  SEINET3124344 Image available Amsinckia vernicosa R. G. Swinney 2008-5-5 10651 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert: Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing (Palmdale 7.5'Q). 963 Comment
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Sep 5 2013
  SEINET3124345 Image available Tetradymia glabrata R. G. Swinney 2009-4-29 10569 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert: Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence (Palmdale 7.5' Q). 945 Comment
  SEINET3223871 Image available Bromus tectorum R. G. Swinney 2009-4-2 10267 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road. (Valyermo 7.5' Q.) 1223 Comment
  SEINET3237843 Image available Equisetum laevigatum R. G. Swinney 1998-7-21 6462 Los Angeles San Gabriel Mtns.; upper Fish Fork drainage, c. 200 m east of Little Fish Fork Campground. 2049 Comment
  SEINET3245636  Dicentra chrysantha R. G. Swinney 2009-1 11290 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley; San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway (Azusa 7.5') 194 Comment
  SEINET3245637  Filago californica R. G. Swinney 2008-1 8564 Los Angeles San Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn (Glendora 7.5') 354 Comment
  SEINET3245654  Chenopodium murale R. G. Swinney 2009-1 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
  SEINET3245807  Bebbia juncea R. G. Swinney 2009-1 10231 Los Angeles Transverse Range; San Gabriel Mtns.: mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte (Azusa 7.5') 183 Comment
  SEINET3245928  Polypogon interruptus R. G. Swinney 2005-1 8386 Los Angeles San Gabriel Mtns.: Big Rock Creek at Paradise Springs. 1439 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
  SEINET3245983  Galium hilendiae R. G. Swinney 2009-1 10828 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
  SEINET3245998  Phacelia distans R. G. Swinney 2009-1 10819 Los Angeles Transverse Range; San Gabriel Mtns. Foothills: Juniper Hills, upper IndianBill Canyon, a narrow mile long canyon draining north from west end of Pleasant View Ridge. Juniper Hills. 437 Comment
  SEINET3246198  Scirpus microcarpus R. G. Swinney 2008-1 8973 Los Angeles San Gabriel Mtns.: lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office. 1170 Comment
  SEINET3259578 Image available Lilium humboldtii R. G. Swinney 1998-7-10 6367 Los Angeles San Gabriel Mtns.; confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream. 1488 Comment
  SEINET3259905 Image available Vicia villosa R. G. Swinney 2008-3-26 8579 Los Angeles San Gabriel Mtns.; San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn. 354 Comment
  SEINET3271572 Image available Agropyron cristatum R. G. Swinney 2008-6-17 9030 Los Angeles San Gabriel Mountains; 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  SEINET3271577 Image available Stipa occidentalis R. G. Swinney 2008-7-24 9282 Los Angeles San Gabriel Mtns.; Waterman Mountain 2412 Comment
  SEINET3282758 Image available Agrostis R. G. Swinney 2001-9-15 8137 Los Angeles San Gabriel Mountains; Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood]. 2561 Comment
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Mar 25 2014
  SEINET3282793 Image available Polypogon viridis R. G. Swinney 2008-7-12 9169 Los Angeles San Gabriel Mtns.; San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon. 573 Comment
  SEINET3347172  Amsinckia intermedia R. G. Swinney 2009-3-25 10159 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 (Azusa 7.5' Q). 549 Comment
  SEINET3860003  Caulanthus lasiophyllus R. G. Swinney 2009-4-24 10435 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campgroud.; 0 915 Comment
  SEINET3860014  Pectocarya penicillata R. G. Swinney 2009-4-24 10459 B Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  SEINET3860015  Cryptantha circumscissa R. G. Swinney 2009-4-23 10483 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  SEINET3860020  Cryptantha pterocarya R. G. Swinney 2009-4-24 10489 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  SEINET3860057  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.; 0 915 Comment
  SEINET3860090  Datisca glomerata R. G. Swinney 2009-4-21 10425 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
  SEINET3860261  Lupinus bicolor R. G. Swinney 2009-3-19 10147 Los Angeles San Gabriel Mtns. Foothills: Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel channel, c. 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
  SEINET3860458  Veronica anagallis-aquatica R. G. Swinney 2009-4-17 10388 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
  SEINET3860462  Salix gooddingii R. G. Swinney 2009-3-16 10125 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
  SEINET3860466  Tropaeolum majus R. G. Swinney 2009-4-21 10412 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
  SEINET3860467  Urtica dioica subsp. holosericea R. G. Swinney 2009-4-21 10404 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Gabriel Canyon wash, 0.4-4.1 mi. north (upstream) of Puente Largo bridge.; 0 192 Comment
  SEINET4560564  Phoradendron bolleanum R. G. Swinney 2009-1 11614 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 920 Comment
  SEINET4560565  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-1 11613 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 920 Comment
  SEINET4691742  Senecio flaccidus var. douglasii R. G. Swinney 2009-1 11607 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  SEINET5641794  Lupinus excubitus R. G. Swinney 2009-3-31 10222 Los Angeles Transverse Ranges; San Gabriel Mtns.: mouth of San Gabriel Canyon, 0.7-1.3 mi. north and NE of Foothill Blvd., Azusa/Duarte.; 0 189 Comment
  SEINET8043939 Image available Chenopodium berlandieri R. G. Swinney 2010-1 12432 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
  SEINET8465035 Image available Juncus xiphioides R. G. Swinney 2008-5-30 8909 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
  UCD169113  Hesperoyucca whipplei R. G. Swinney 2009-5-13 10794 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCD169204  Triteleia lugens R. G. Swinney 2009-6-2 11015 -B 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
  UCD170141  Acanthoscyphus parishii R. G. Swinney 1998-7-2 6267 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1963 Comment
  UCD170171  Chorizanthe watsonii R. G. Swinney 2009-5-13 10759 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. 1122 Comment
  UCD170223  Pinus coulteri R. G. Swinney 2009-7-29 11408 .5 Los Angeles Transverse Range; San Gabriel Mountains: Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCD170398  Myriophyllum sibiricum R. G. Swinney 2008-12-4 9947 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant. 223 Comment
  UCD170713  Gayophytum R. G. Swinney 2008-8-13 9385 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
  UCD170826  Acmispon heermannii R. G. Swinney 2009-5-8 10698 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park. 305 Comment
  UCD170912  Parietaria hespera R. G. Swinney 2009-3-28 10214 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
  UCD170923  Colutea arborescens R. G. Swinney 2009-3-28 10178 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon. 366 Comment
  UCR100068  Lathyrus vestitus R. G. Swinney 1969-4-25 355 Los Angeles San Gabriel Mtns., 200 yards south of Harrow Canyon debris basin in Glendora foothills 381 Comment
  UCR100071  Penstemon spectabilis R. G. Swinney 1969-4-29 393 Los Angeles San Gabriel Valley, c. 0.3 mi north of Foothill Blvd. (Hwy 66) and 1.0 mi east of San Gabriel River Channel, Azusa 189 Comment
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Feb 1 2011
  UCR107256  Salix exigua R. G. Swinney 1994-8-23 3224 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  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
  UCR141365  Arctostaphylos parryana R. G. Swinney 1997-8-19 5806 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
  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
  UCR141370  Eriogonum fasciculatum var. polifolium R. G. Swinney 1997-8-19 5819 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
  UCR141851  Solidago californica R. G. Swinney 1997-9-6 5858 Los Angeles San Gabriel Mountains, Mescal Picnic Park [= Mescal Campground] about 200 m N of Big Pines Rd along Mescal Canyon bottom. 1854 Comment
  UCR141866  Eriogonum maculatum R. G. Swinney 1997-9-6 5857 Los Angeles San Gabriel Mountains, Jackson Lake area west of Wrightwood; 0.9 mi N of Big Pines Rd on Forestry Service Rd 4N16 1890 Comment
  UCR149338  Lithophragma heterophyllum R. G. Swinney 1998-4-13 5966 Los Angeles San Gabriel Mtns., Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of north end of Mills Ave., on Cobal Canyon Rd. 543 Comment
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May 8 2012
  UCR149355  Senecio vulgaris R. G. Swinney 1998-3-14 5903 Los Angeles San Gabriel Mtns., Potato Mountain, NW of Upland 1043 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
  UCR149510  Phoradendron villosum R. G. Swinney 1997-7-14 5677 Los Angeles San Gabriel Mtns., west of Wrightwood, Table Mtn. area, c. 100 m NW of amphitheater and Table Mtn. Campground 2207 Comment
  UCR149528  Astragalus lentiginosus var. antonius R. G. Swinney 1997-6-25 5641 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
  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
  UCR149891  Salazaria mexicana R. G. Swinney 1999-6-18 7322 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR149925  Chaenactis xantiana R. G. Swinney 1999-6-18 7307 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR149927  Tetradymia spinosa R. G. Swinney 1999-6-18 7315 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR150452  Eriogonum saxatile R. G. Swinney 1999-6-21 7366 Los Angeles San Gabriel Mtns., Big John Flat 1671 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
  UCR150464  Bromus carinatus R. G. Swinney 1999-6-21 7394 Los Angeles San Gabriel Mtns., Boulder Canyon, upper end near Hwy 2 1854 Comment
  UCR150540  Cryptantha nevadensis var. rigida R. G. Swinney 1999-6-21 7384 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
  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
  UCR150856  Carex athrostachya R. G. Swinney 1999-8-16 7664 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR150859  Stellaria media R. G. Swinney, Dave Larson 1999-5-15 7155 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150861  Aspidotis californica R. G. Swinney, Dave Larson 1999-5-15 7145 Los Angeles San Gabriel Mtns., Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 549 Comment
  UCR151657  Eschscholzia minutiflora R. G. Swinney 1998-4-14 5980 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
  UCR178617  Mirabilis laevis R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  UCR178778  Conyza canadensis R. G. Swinney 1989-10-14 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon c. 100-200 yds. upstream from the debris basin 372 Comment
  UCR178783  Fritillaria biflora R. G. Swinney 1969-5-10 455 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi N of Sierra Madre Ave., N of Pennsylvania Ave. 366 Comment
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Mar 10 2008
  UCR178791  Penstemon heterophyllus subsp. australis R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Colby Fire Rd., 100 yards south of Glendora Mtn. Road. 488 Comment
  UCR178800  Boykinia rotundifolia R. G. Swinney 1989-6-27 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 0.7 mi. east of Glendora Mtn. Road, at 'Maple Canyon 427 Comment
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Mar 14 2017
  UCR178804  Salix lasiolepis R. G. Swinney 1989-6-24 s.n. Los Angeles San Gabriel Mtns., Little Dalton Canyon 427 Comment
  UCR178890  Pectocarya anisocarpa R. G. Swinney 1990-3-19 1534 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR178894  Cortaderia atacamensis R. G. Swinney 1989-10-14 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon c. 100-200 yds. upstream from the debris basin 372 Comment
  UCR178907  Mentha rotundifolia R. G. Swinney 1989-9-16 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 335 Comment
  UCR178910  Quercus durata var. gabrielensis R. G. Swinney 1989-8-6 s.n. Los Angeles San Gabriel Mtns., Glendora, 1.0 mile east of Glendora Mountain Road on Big Dalton Canyon Rd. 442 Comment
  UCR178914  Pinus coulteri R. G. Swinney 1989-7-31 s.n. Los Angeles San Gabriel Mtns., Glendora, 0.8 mi. east of Glendora Mtn. Road on Big Dalton Canyon Rd., south of road 366 Comment
  UCR178928  Tribulus terrestris 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
  UCR178933  Eragrostis curvula R. G. Swinney 1989-8-9 s.n. Los Angeles San Gabriel Mtns., Glendora, Glendora Wilderness Park, c. 300 yds. north of Sierra Madre Ave. on Big Dalton Debris Basin flood control access road 311 Comment
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Nov 21 2010
  UCR178944  Juncus textilis R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 1.3 miles NE of Glendora Mtn. Road 439 Comment
  UCR179243  Eleocharis parishii R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Morgan Canyon Debris Basin 366 Comment
  UCR179266  Ceanothus leucodermis R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon, 'Owl Flats 473 Comment
  UCR179269  Rosa woodsii R. G. Swinney 1989-5-10 s.n. Los Angeles San Gabriel Mtns, Glendora, Big Dalton Canyon 610 Comment
  UCR179296  Brodiaea filifolia R. G. Swinney 1970-5-9 0740 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi N of Sierra Madre Ave., N of Pennsylvania Ave. Property formerly owned by Bender family but purchased and now being developed by Robert Hughes 366 Comment
  UCR179299  Crypsis schoenoides R. G. Swinney 1989-6-25 s.n. Los Angeles Eastern San Gabriel Mtns, in and near Glendora Wilderness Park; in Little Dalton Debris Basin 366 Comment
  UCR179300  Bromus grandis R. G. Swinney 1989-6-27 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 0.7 mi. east of Glendora Mtn. Road, at 'Maple Canyon 427 Comment
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Mar 14 2017
  UCR179616  Bothriochloa barbinodis R. G. Swinney 1992-6-16 1723 Los Angeles San Gabriel Mtns., Glendora, junction of Glendora Mtn. Rd. and Colby (Fallow) Rd., south shoulder 488 Comment
  UCR179619  Sisymbrium orientale R. G. Swinney 1991-1 1596 Los Angeles San Gabriel Valley, Glendora, South Hills, South Hills Motorway south of Bonnie Cove Ave. 335 Comment
  UCR179646  Agrostis R. G. Swinney 1995-9-4 4503 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
  UCR179679  Elymus elongatus R. G. Swinney, Dave Larson 1996-8-7 5233 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  UCR179681  Phacelia ramosissima R. G. Swinney, Dave Larson 1996-8-7 5241 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  UCR179712  Arabis glabra R. G. Swinney, Dave Larson 1996-7-17 5125 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179723  Sambucus mexicana R. G. Swinney, Dave Larson 1996-7-17 5142 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179966  Lomatium nevadense R. G. Swinney 1996-5-27 4741 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  UCR179973  Rhus aromatica R. G. Swinney 1996-8-7 5217 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  UCR180018  Elymus trachycaulus subsp. trachycaulus R. G. Swinney 1996-8-7 5220 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  UCR180020  Lupinus excubitus R. G. Swinney, Dave Larson 1996-8-7 5223 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  UCR180024  Cordylanthus rigidus R. G. Swinney, Dave Larson 1996-8-7 5227 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  UCR180078  Stipa pulchra R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., in and Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill firebreak 488 Comment
  UCR180171  Lolium perenne subsp. perenne R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin 366 Comment
  UCR180186  Ehrharta calycina R. G. Swinney 1969-7-17 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, 'Water Pipe Canyon' [=Pavil Cyn] a tributary of Big Dalton Canyon 610 Comment
  UCR180223  Leptochloa uninervia R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 366 Comment
  UCR181259  Eriogonum nudum R. G. Swinney 1997-6-13 5577 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 1.1 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 1841 Comment
  UCR181362  Osmorhiza brachypoda R. G. Swinney 1995-3-11 3382 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon 378 Comment
  UCR182108  Euphorbia peplus R. G. Swinney 1998-4-13 5962 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR182111  Gilia latiflora R. G. Swinney 1998-4-14 5985 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
  UCR182238  Plantago major R. G. Swinney 1997-9-6 5872 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  UCR182242  Ericameria parryi R. G. Swinney 1997-9-6 5868 Los Angeles San Gabriel Mountains., Forest Service Rd 4N06 (up Mescal Canyon), 0.8 mi N of Big Pines Rd. 1744 Comment
  UCR182255  Quercus wislizeni R. G. Swinney, Dave Larson 1998-4-26 6044 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  UCR182257  Taraxacum officinale R. G. Swinney, Dave Larson 1998-4-26 6036 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  UCR182272  Plagiobothrys arizonicus R. G. Swinney 1998-4-14 6021 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
  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
  UCR182488  Amelanchier utahensis R. G. Swinney 1997-7-17 5683 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 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
  UCR182687  Elymus R. G. Swinney 1997-8-6 5774 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  UCR182692  Castilleja miniata R. G. Swinney 1997-7-16 5672 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
  UCR182706  Astragalus R. G. Swinney 1997-7-23 5740 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR182709  Solidago confinis R. G. Swinney 1997-7-16 5662 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
  UCR182713  Commelina benghalensis R. G. Swinney 1998-2-16 5894 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
  UCR182722  Conyza coulteri R. G. Swinney 1998-2-16 5898 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  UCR182743  Bromus rubens R. G. Swinney 1998-4-11 5936 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  UCR182751  Equisetum laevigatum R. G. Swinney 1997-7-22 5720 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  UCR182773  Smilacina stellata R. G. Swinney 1997-7-22 5719 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  UCR182850  Eriastrum sapphirinum subsp. ambiguum R. G. Swinney 1997-8-6 5762 Los Angeles San Gabriel Mtns, Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood 1890 Comment
  UCR182854  Pterospora andromedea R. G. Swinney 1997-8-6 5759 Los Angeles San Gabriel Mtns, Table Mountain area, Jesus Canyon west of road 4N47, NW of Wrightwood 1927 Comment
  UCR188660  Camissonia micrantha R. G. Swinney 1990-3-24 1562 Los Angeles Los Angeles Basin, South Hills Park, Glendora Centennial Heritage Park, in the city of Glendora, south of Big Dalton Channel 238 Comment
  UCR188914  Grayia spinosa R. G. Swinney 1998-5-16 6104 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, west of Mescal Highlands, Graham Canyon, 0.3 mi. N of Panorama Way at Graham Cyn. Motorway, 2.0 mi. S of Ft. Tejon Rd. 1317 Comment
  UCR189251  Eriogonum davidsonii R. G. Swinney 1998-5-16 6077 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189266  Malacothrix glabrata R. G. Swinney 1998-5-16 6081 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189269  Thysanocarpus laciniatus R. G. Swinney 1998-5-16 6093 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  UCR189273  Layia glandulosa R. G. Swinney 1998-5-16 6085 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189390  Phacelia longipes R. G. Swinney 1998-6-12 6189 Los Angeles San Gabriel Mountains, southwest of Pinon Hills, 0.2 mi due east of reservoir at mouth of Mescal Canyon [along Table Mountain Road] 1448 Comment
  UCR189394  Melica imperfecta R. G. Swinney 1998-5-30 6159 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR189412  Clarkia purpurea R. G. Swinney 1998-5-25 6149 Los Angeles San Gabriel Valley, Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  UCR189663  Mimulus fremontii R. G. Swinney 1998-6-12 6191 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.3 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1866 Comment
  UCR189676  Eriogonum saxatile R. G. Swinney 1998-7-2 6197 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR189681  Equisetum laevigatum R. G. Swinney 1998-5-30 6172 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR189712  Agoseris grandiflora R. G. Swinney 1998-7-10 6392 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
  UCR189723  Caulanthus amplexicaulis R. G. Swinney 1998-7-10 6376 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR189738  Phacelia curvipes R. G. Swinney 1998-7-10 6387 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
  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
  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
  UCR189816  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-9-4 6893 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR189819  Eriogonum umbellatum R. G. Swinney 1998-9-4 6888 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR189835  Eriogonum davidsonii R. G. Swinney 1998-9-4 6884 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR189846  Platanthera sparsiflora R. G. Swinney 1998-7-21 6472 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  UCR189849  Viola purpurea subsp. quercetorum R. G. Swinney 1998-7-21 6468 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail 1951 Comment
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May 9 2012
  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
  UCR189863  Lobelia dunnii var. serrata R. G. Swinney 1998-7-28 6511 Los Angeles San Gabriel Mtns., Cat Canyon, a western tributary of San Antonio Canyon, south of Sunset Peak 1024 Comment
  UCR189876  Lilium parryi R. G. Swinney 1998-7-21 6463 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail 1951 Comment
  UCR189879  Lessingia filaginifolia R. G. Swinney 1998-7-27 6491 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR189881  Eriophyllum confertiflorum R. G. Swinney 1998-7-27 6489 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 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
  UCR189966  Arabis platysperma R. G. Swinney 1998-8-31 6870 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.9 mi. west of Mt. Baldy, east of saddle 2500 Comment
  UCR189969  Potentilla glandulosa R. G. Swinney 1998-8-31 6873 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  UCR189973  Carex rossii R. G. Swinney 1998-8-27 6821 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR189988  Gilia capitata R. G. Swinney 1998-6-16 6970 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  UCR189996  Centrostegia thurberi R. G. Swinney, Vanessa Merritt 1998-6-12 6965 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
  UCR189999  Allium monticola R. G. Swinney 1998-6-16 6978 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  UCR190005  Heuchera elegans R. G. Swinney 1998-6-16 6976 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  UCR190007  Abies concolor R. G. Swinney 1998-8-27 6823 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR190010  Mimulus floribundus R. G. Swinney 1998-7-30 6593 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190028  Bromus tectorum R. G. Swinney 1998-6-16 6985 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR190033  Camissonia hirtella R. G. Swinney 1998-6-16 6989 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR190040  Phacelia austromontana R. G. Swinney 1998-9-7 6942 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail c. 0.9 mi. west of saddle between Dawson Pk. and Pine Mtn. 2561 Comment
  UCR190044  Gayophytum R. G. Swinney 1998-9-7 6933 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
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May 1 2012
  UCR190082  Pyrola dentata R. G. Swinney 1998-8-27 6813 Los Angeles San Gabriel Mtns., upper Big Horn Ridge area, talus slope north of the ridge 2744 Comment
  UCR190095  Boykinia rotundifolia R. G. Swinney 1998-7-30 6587 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 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
  UCR190104  Cycladenia humilis R. G. Swinney 1998-9-7 6941 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
  UCR190115  Eriogonum microthecum var. johnstonii R. G. Swinney 1998-8-27 6804 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, above Coldwater Canyon 2652 Comment
  UCR190117  Muhlenbergia californica R. G. Swinney 1998-8-21 6778 Los Angeles San Gabriel Mtns., Cow Canyon, upper NE fork, north of Cow Canyon Rd., c. 0.7 mi. NW of Cow Canyon Saddle 1402 Comment
  UCR190121  Boykinia rotundifolia R. G. Swinney 1998-8-21 6786 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  UCR190230  Agrostis viridis R. G. Swinney 1998-8-1 6607 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  UCR190243  Galium angustifolium R. G. Swinney 2000-5-28 7788 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Redbox Road 2.1 mi. SW of Hwy 39 at Rincon Station 732 Comment
  UCR190251  Chaenactis glabriuscula R. G. Swinney 2000-5-20 7695 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  UCR190266  Trifolium willdenovii R. G. Swinney 2000-5-21 7777 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UCR190269  Stipa lepida R. G. Swinney 2000-6-25 7792 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
  UCR190288  Phacelia longipes R. G. Swinney 1998-8-1 6625 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
  UCR190347  Lupinus excubitus R. G. Swinney 2001-4-18 7899 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR190360  Mentzelia veatchiana R. G. Swinney 2001-6-16 7981 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
  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
  UCR190375  Sambucus mexicana R. G. Swinney 2001-6-16 7988 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
  UCR190377  Thysanocarpus R. G. Swinney 2001-4-18 7914 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR190423  Eriogonum umbellatum var. minus R. G. Swinney, Cody Clarke 2001-6-20 8009 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR190438  Rumex crispus R. G. Swinney 2000-5-10 7676 Los Angeles San Gabriel Mtns., San Gabriel River bottom, c. 600 m NE of confluence with Fish Canyon between bike path and river bottom 220 Comment
  UCR190455  Lomatium mohavense R. G. Swinney 2001-4-18 7893 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  UCR190472  Cycladenia humilis R. G. Swinney 2000-9-16 7867 Los Angeles San Gabriel Mtns., Coldwater Canyon tributary, 1st canyon south of San Antonio Ridge 2439 Comment
  UCR190526  Amsinckia intermedia R. G. Swinney 1990-3-19 1530 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR190529  Zigadenus fremontii R. G. Swinney 1990-3-23 1543 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR190616  Cotoneaster lacteus R. G. Swinney 2000-5-10 7680 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Canyon, 1.2 miles NE of Sierra Madre Ave. on shoulder of Hwy 39 244 Comment
  UCR190723  Lepidium fremontii R. G. Swinney 2001-4-18 7929 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  UCR190738  Thalictrum fendleri var. polycarpum R. G. Swinney 1999-6-30 7488 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  UCR190742  Lupinus R. G. Swinney 2001-5-18 7943 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCR190755  Eleocharis macrostachya R. G. Swinney 1999-7-5 7496 Los Angeles San Gabriel Mtns., head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2037 Comment
  UCR190757  Juncus xiphioides R. G. Swinney 1999-6-30 7485 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  UCR190772  Allium fimbriatum R. G. Swinney 2001-5-18 7932 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCR190784  Eriogonum nudum R. G. Swinney 1999-7-5 7539 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
  UCR190803  Mimulus cardinalis R. G. Swinney 1998-8-6 6689 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR190816  Arabis R. G. Swinney 1999-7-5 7506 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  UCR190849  Quercus john-tuckeri R. G. Swinney 2001-6-16 7983 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
  UCR190858  Gilia diegensis R. G. Swinney 1998-7-2 6199 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR190863  Epilobium ciliatum R. G. Swinney 1998-8-6 6687 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR190876  Lilium humboldtii R. G. Swinney 1998-8-6 6699 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, granite cliff on east side c. 100 m below Fish Fork 1037 Comment
  UCR190879  Agrostis viridis R. G. Swinney, Dave Larson 1999-6-12 7550 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  UCR190881  Mimulus floribundus R. G. Swinney 1999-7-14 7552 Los Angeles San Gabriel Mtns., Laurel Gulch, an eastern tributary of East Fork San Gabriel River Canyon 854 Comment
  UCR190893  Taraxacum officinale R. G. Swinney 1998-7-2 6228 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR190906  Stipa parishii R. G. Swinney 1998-7-2 6241 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR190909  Eriogonum microthecum R. G. Swinney 1998-7-2 6252 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
  UCR190922  Senecio ionophyllus R. G. Swinney 1999-7-5 7508 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
  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
  UCR191158  Gilia leptantha subsp. transversa R. G. Swinney 1999-6-28 7456 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
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May 3 2012
  UCR191163  Ranunculus cymbalaria R. G. Swinney 1999-7-5 7513 Los Angeles San Gabriel Mtns., head of Cedar Canyon, stream bottom NW of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2012 Comment
  UCR191176  Claytonia perfoliata R. G. Swinney, Dave Larson 1999-7-21 7564 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE of Browns Flat 1463 Comment
  UCR191179  Nemophila spatulata R. G. Swinney, Dave Larson 1999-7-21 7565 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE of Browns Flat 1463 Comment
  UCR191193  Aquilegia formosa R. G. Swinney 1999-7-28 7593 Los Angeles San Gabriel Mtns., Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon 1098 Comment
  UCR191265  Descurainia pinnata R. G. Swinney 1998-7-2 6204 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191270  Lomatium nevadense R. G. Swinney 1998-7-2 6206 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191295  Tauschia parishii R. G. Swinney 1998-7-2 6253 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191303  Antennaria dimorpha R. G. Swinney 1998-7-2 6259 Los Angeles San Gabriel Mtns., NE of Table Mountain, Wrightwood area, 0.6 mi. NE of junction of roads 4N21B, 4N21A, and 4N21 2134 Comment
  UCR191316  Collinsia torreyi var. wrightii R. G. Swinney 1998-7-2 6263 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 0.8 mi. NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  UCR191525  Collinsia torreyi R. G. Swinney 1998-7-8 6339 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR191527  Ceanothus cordulatus R. G. Swinney 1998-7-8 6319 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR192658  Monardella cinerea R. G. Swinney 1999-8-9 7615 Los Angeles San Gabriel Mtns., along Bear Canyon Trail c. 1 mi south of West Baldy peak of Mt. San Antonio 2756 Comment
  UCR192663  Epilobium brachycarpum R. G. Swinney 1999-8-16 7637 Los Angeles San Gabriel Mtns., c. 1/4 mile east of Blue Ridge Campground on ski run 2427 Comment
  UCR192837  Bromus R. G. Swinney 1998-7-6 6283 Los Angeles San Gabriel Mtns., Mescal Canyon, 0.8 mile north of junction of Hwy 2 and Mescal Canyon Rd. 1732 Comment
  UCR192846  Verbena lasiostachys R. G. Swinney 1998-7-6 6280 Los Angeles San Gabriel Mtns., 0.2 mi. up western tributary of Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  UCR192849  Carex multicaulis R. G. Swinney 1998-7-6 6292 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  UCR192858  Aquilegia formosa R. G. Swinney 1998-7-14 6425 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
  UCR192863  Drymocallis lactea var. lactea R. G. Swinney 1998-7-14 6430 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
  UCR192876  Elymus elymoides R. G. Swinney 1998-7-8 6332 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
  UCR192893  Monardella cinerea R. G. Swinney 1999-8-9 7608 Los Angeles San Gabriel Mtns., east end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  UCR193148  Agrostis exarata R. G. Swinney 1999-8-14 7625 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
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May 11 2012
  UCR193156  Lewisia rediviva var. minor R. G. Swinney 1998-7-14 6443 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  UCR193159  Claytonia parviflora R. G. Swinney 1998-7-14 6452 Los Angeles San Gabriel Mtns., north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat 2165 Comment
  UCR193416  Plagiobothrys arizonicus R. G. Swinney 1999-4-5 7064 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
  UCR193435  Oenothera californica R. G. Swinney 1999-6-5 7266 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
  UCR193446  Cryptantha muricata R. G. Swinney 1999-6-18 7281 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR193449  Mentzelia R. G. Swinney 1999-6-5 7265 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
  UCR193476  Schismus barbatus R. G. Swinney 1999-6-28 7437 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193551  Viola sheltonii R. G. Swinney, Dave Larson 1999-6-25 7419 Los Angeles San Gabriel Mtns., south fork of Fern Canyon, NE of Browns Flat 1341 Comment
  UCR193573  Amsinckia tessellata R. G. Swinney 1999-4-5 7057 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
  UCR193588  Lotus oblongifolius R. G. Swinney 1998-8-10 6730 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 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
  UCR193672  Polystichum imbricans R. G. Swinney, Dave Larson 1999-6-25 7416 Los Angeles San Gabriel Mtns., south fork of Fern Canyon, NE of Browns Flat 1341 Comment
  UCR193684  Lobelia dunnii var. serrata R. G. Swinney, Dave Larson 1999-5-29 7231 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193703  Cryptantha oxygona R. G. Swinney 1999-5-22 7191 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193716  Sisymbrium altissimum R. G. Swinney 1999-6-18 7293 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR193719  Nama demissa R. G. Swinney 1999-4-5 7062 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR193987  Melica imperfecta R. G. Swinney 1998-8-13 6734 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR193992  Eriogonum davidsonii R. G. Swinney 1998-8-13 6749 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR194006  Heuchera elegans R. G. Swinney 1998-7-28 6517 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
  UCR194010A  Agoseris retrorsa R. G. Swinney 1999-5-22 7210 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  UCR194012B  Eriophyllum confertiflorum R. G. Swinney 1999-6-5 7250 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 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
  UCR194022  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 1839 Comment
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May 3 2012
  UCR194030  Muhlenbergia californica R. G. Swinney 1998-8-17 6773 Los Angeles San Gabriel Mtns., Gold Dollar Mine Trail, 0.2 mi. NE of upper Coldwater Canyon 1488 Comment
  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
  UCR194043  Gilia cana R. G. Swinney 1999-6-5 7241 B Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR194066  Salix lasiolepis R. G. Swinney 1999-5-22 7199 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR194069  Lepidium fremontii R. G. Swinney 1999-5-22 7201 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.25 mi. south of Camp Jubilee Rd. 1610 Comment
  UCR194163  Calochortus plummerae R. G. Swinney 1998-8-13 6732 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
  UCR194179  Sisyrinchium idahoense R. G. Swinney 1998-7-24 6555 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR194181  Carex alma R. G. Swinney 1998-7-29 6527 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
  UCR194265  Equisetum laevigatum R. G. Swinney 1998-8-5 6658 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  UCR194267  Erigeron foliosus R. G. Swinney 1998-8-6 6678 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR194270  Clarkia similis R. G. Swinney 1998-8-6 6683 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 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
  UCR194297  Carex alma R. G. Swinney 1999-6-21 7361 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR194303  Boykinia rotundifolia R. G. Swinney 1998-8-6 6669 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR194358  Lobelia dunnii var. serrata R. G. Swinney 1998-8-30 6859 Los Angeles San Gabriel Mtns., south fork of Dry Lake Canyon, a western tributary of San Antonio Canyon 994 Comment
  UCR194571  Tetradymia axillaris var. longispina R. G. Swinney 1999-5-1 7088 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
  UCR194586  Muhlenbergia californica R. G. Swinney 1998-8-30 6860 Los Angeles San Gabriel Mtns., south fork of Dry Lake Canyon, a western tributary of San Antonio Canyon 994 Comment
  UCR194589  Adiantum jordanii R. G. Swinney 1999-4-9 7083 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  UCR194598  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
  UCR194600  Chenopodium pratericola R. G. Swinney 1998-9-4 6909 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR194604  Galium angustifolium subsp. gabrielense R. G. Swinney 1998-8-13 6755 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
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May 8 2012
  UCR194615  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
  UCR194617  Cryptantha oxygona R. G. Swinney 1999-5-1 7089 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
  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
  UCR194845  Lilium humboldtii R. G. Swinney, Dave Larson 1999-6-25 7397 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
  UCR202525  Artemisia ludoviciana R. G. Swinney 2005-8-15 8484 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR202690  Carex aurea R. G. Swinney 2001-8-11 8041 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCR202694  Arceuthobium californicum R. G. Swinney 2001-8-11 8044 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
  UCR202718  Epilobium canum R. G. Swinney 2001-8-18 8059 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  UCR202720  Oxytheca parishii var. parishii R. G. Swinney 2001-8-18 8057 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
Read comments
Aug 29 2012
  UCR202724  Epilobium glaberrimum R. G. Swinney, Cody Clarke 2001-8-22 8080 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
  UCR202748  Salix lasiolepis R. G. Swinney 2001-8-27 8088 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
  UCR202928  Eriogonum wrightii var. subscaposum R. G. Swinney 2001-8-18 8065 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  UCR203112  Solidago californica R. G. Swinney 2001-8-27 8111 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
  UCR203180  Cryptantha nevadensis var. rigida R. G. Swinney 2005-7-21 8311 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
  UCR203184  Galium angustifolium R. G. Swinney 2005-5-21 8262 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR203225  Atriplex canescens R. G. Swinney 2005-7-21 8321 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
  UCR203227  Atriplex serenana R. G. Swinney 2005-7-21 8338 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
  UCR203241  Juncus balticus R. G. Swinney 2005-7-11 8304 Los Angeles San Gabriel Mountains, Juniper Hills, Pallet Creek 0.4 mile south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
  UCR203253  Platanthera sparsiflora R. G. Swinney 2001-8-27 8123 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UCR204007  Epilobium ciliatum R. G. Swinney 2001-9-15 8127 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  UCR204010  Mimulus moschatus R. G. Swinney 2001-9-15 8130 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  UCR204014  Luzula comosa R. G. Swinney 2001-9-15 8136 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  UCR204028  Arctostaphylos patula R. G. Swinney 2001-9-15 8152 Los Angeles San Gabriel Mountains, Mt Islip 2515 Comment
  UCR204033  Chenopodium R. G. Swinney 2001-9-16 8157 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
  UCR204040  Eschscholzia minutiflora R. G. Swinney 2005-5-14 8234 Los Angeles San Gabriel Mountains, north of Juniper Hills, south of Pear Blossom, southeast corner of Tejon Road and Longview Road (131st Street) 1091 Comment
  UCR204044  Allium fimbriatum R. G. Swinney 2005-5-14 8238 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  UCR204213  Ribes nevadense R. G. Swinney 2001-9-16 8163 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
  UCR204412  Ribes nevadense R. G. Swinney 2001-9-15 8172 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204423  Arceuthobium californicum R. G. Swinney 2001-9-15 8184 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 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
  UCR204562  Veronica anagallis-aquatica R. G. Swinney 2005-8-5 8379 Los Angeles San Gabriel Mtns, 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
  UCR204757  Castilleja minor subsp. spiralis R. G. Swinney 2005-8-9 8431 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204835  Galium R. G. Swinney 2005-8-11 8461 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204837  Cuscuta subinclusa R. G. Swinney 2005-8-11 8459 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204846  Euphorbia albomarginata R. G. Swinney 2005-8-11 8439 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204849  Senecio flaccidus var. douglasii R. G. Swinney 2005-8-11 8436 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204863  Gnaphalium californicum R. G. Swinney 2006-6-18 8538 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR204876  Eleocharis macrostachya R. G. Swinney 2005-8-9 8403 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204881  Festuca arundinacea R. G. Swinney 2005-8-9 8409 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204893  Helianthemum scoparium R. G. Swinney 2008-4-1 8598 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  UCR205035  Holodiscus discolor R. G. Swinney 2003-5-12 8203 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  UCR205037  Bromus hordeaceus R. G. Swinney 2003-5-12 8204 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, drainage near Big Cienega Spring, S fork of upper Pavil Canyon 640 Comment
  UCR205046  Vicia villosa R. G. Swinney 2008-3-26 8579 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205049  Bromus hordeaceus R. G. Swinney 2008-3-31 8583 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  UCR205058  Picris echioides R. G. Swinney 2008-4-4 8604 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
  UCR205063  Conium maculatum R. G. Swinney 2008-4-4 8609 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
  UCR205076  Claytonia perfoliata R. G. Swinney 2008-4-9 8622 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UCR205079  Rumex crispus R. G. Swinney 2008-4-9 8625 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UCR205081  Eschscholzia californica R. G. Swinney 2008-4-10 8628 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR205093  Carex alma R. G. Swinney 2008-4-11 8649 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR205106  Chenopodium californicum R. G. Swinney 2008-4-16 8668 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon 341 Comment
  UCR205109  Stellaria media R. G. Swinney 2008-4-16 8671 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon 341 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
  UCR205122  Hordeum murinum subsp. leporinum R. G. Swinney 2008-4-17 8684 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205130  Silene gallica R. G. Swinney 2008-4-17 8692 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205134  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 341 Comment
  UCR205173  Tamarix ramosissima R. G. Swinney 2008-4-11 8645 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR205196  Cryptantha microstachys R. G. Swinney 2008-4-30 8706 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR205199  Epilobium ciliatum R. G. Swinney 2008-4-30 8703 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR205200  Gnaphalium palustre R. G. Swinney 2005-8-11 8451 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR205204  Equisetum hyemale subsp. affine R. G. Swinney 2008-4-30 8701 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR205215  Gnaphalium palustre R. G. Swinney 2006-6-18 8535 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR205217  Galium aparine R. G. Swinney 2006-6-18 8537 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR205221  Arctostaphylos patula R. G. Swinney 2005-8-26 8531 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  UCR205236  Sisymbrium orientale R. G. Swinney 2008-3-26 8568 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205239  Cylindropuntia californica var. parkeri R. G. Swinney 2008-3-26 8580 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205245  Eriastrum R. G. Swinney 2005-8-15 8473 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, near headquarters 1463 Comment
  UCR205247  Astragalus douglasii R. G. Swinney 2005-8-15 8475 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, near headquarters 1463 Comment
  UCR205252  Amaranthus albus R. G. Swinney 2008-3-26 8577 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205260  Elymus stebbinsii R. G. Swinney 2005-8-17 8505 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
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Dec 21 2018
  UCR205275  Centranthus ruber R. G. Swinney 2008-4-30 8700 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Rd., 1.7 mi. NE of Glendora Mtn. Road 473 Comment
  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
  UCR205556  Arabis glabra R. G. Swinney 2008-5-30 8881 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, tributary on south side of canyon 0.1 mi. east of park office 305 Comment
  UCR205559  Rorippa nasturtium-aquaticum R. G. Swinney 2008-5-30 8884 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR205561  Veronica anagallis-aquatica R. G. Swinney 2008-5-30 8887 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR205583  Camissonia boothii R. G. Swinney 2008-5-12 8828 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
  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
  UCR205605  Filago californica R. G. Swinney 2008-5-12 8845 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
  UCR205607  Anisocoma acaulis R. G. Swinney 2008-5-12 8841 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
  UCR205610  Opuntia basilaris var. brachyclada R. G. Swinney 2008-5-13 8850 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCR205614  Calyptridium monandrum R. G. Swinney 2008-5-12 8825 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
  UCR205828  Coreopsis bigelovii R. G. Swinney 2008-5-8 8796 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
  UCR205833  Calochortus palmeri var. palmeri R. G. Swinney 2008-5-8 8798 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR205840  Anemopsis californica R. G. Swinney 2008-6-9 8974 Los Angeles San Gabriel Mtns., mouth of Sandrock Creek, 0.26 mi. (air) south of Valyermo post office 1137 Comment
  UCR205844  Salvia dorrii R. G. Swinney 2008-5-8 8812 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
  UCR205895  Mentzelia albicaulis R. G. Swinney 2008-5-8 8781 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
  UCR205897  Delphinium parishii R. G. Swinney 2008-5-8 8783 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
  UCR205904  Collinsia callosa R. G. Swinney 2008-5-5 8770 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
  UCR205917  Fremontodendron californicum R. G. Swinney 2008-5-5 8748 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR205921  Calycoseris parryi R. G. Swinney 2008-5-5 8765 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR206116  Pseudotsuga macrocarpa R. G. Swinney 1989-7-31 s.n. Los Angeles San Gabriel Mtns., Glendora, 0.75 mi. west of Little Dalton Campground on Glendora Mtn. Road 433 Comment
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Mar 25 2010
  UCR206119  Nemacladus sigmoideus R. G. Swinney 2008-6-4 8927 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
  UCR206146  Silene antirrhina R. G. Swinney 2008-6-4 8923 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
  UCR206149  Adiantum capillus-veneris R. G. Swinney 2008-5-30 8906 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
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Dec 3 2009
  UCR206158  Salix exigua R. G. Swinney 2008-5-30 8892 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR206267  Mentzelia montana R. G. Swinney 2008-6-10 8999 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
  UCR206274  Chaenactis santolinoides R. G. Swinney 2008-6-10 8991 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  UCR206418  Distichlis spicata R. G. Swinney 2008-6-9 8949 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR206420  Syntrichopappus fremontii R. G. Swinney 2008-6-4 8937 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  UCR206424  Pterostegia drymarioides R. G. Swinney 2008-6-4 8934 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  UCR206448  Lycium cooperi R. G. Swinney 2008-6-9 8965 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR206456  Stephanomeria parryi R. G. Swinney 2008-6-9 8963 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR206459  Equisetum laevigatum R. G. Swinney 2008-6-9 8951 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR209102  Gilia ochroleuca subsp. bizonata R. G. Swinney 2008-6-17 9047 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
  UCR209126  Veronica anagallis-aquatica R. G. Swinney 2008-6-24 9091 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209129  Juncus rugulosus R. G. Swinney 2008-6-24 9093 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209131  Pennisetum setaceum R. G. Swinney 2008-6-24 9096 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209218  Bromus grandis R. G. Swinney 2008-6-18 9063 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  UCR209224  Nicotiana glauca R. G. Swinney 1969-12-5 698 Los Angeles San Gabriel Mtns., Glendora, c. 0.5 mi. north of Sierra Madre Ave. above the north end of Pennsylvania Ave. 348 Comment
  UCR209232  Lupinus excubitus subsp. austromontanus R. G. Swinney 2008-6-17 9056 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
  UCR209248  Ericameria nauseosa R. G. Swinney 2008-10-8 9532 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR209256  Artemisia dracunculus R. G. Swinney 2008-10-7 9470 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209261  Solidago californica R. G. Swinney 2008-10-7 9475 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209278  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-9-12 9444 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  UCR209410  Artemisia tridentata R. G. Swinney 2008-10-8 9518 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UCR209414  Eriogonum R. G. Swinney 2008-10-8 9522 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
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Dec 7 2018
  UCR209428  Cordylanthus nevinii R. G. Swinney 2008-9-12 9448 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  UCR209444  Juniperus californica R. G. Swinney 2008-10-8 9515 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UCR209465  Epilobium canum subsp. latifolium R. G. Swinney 2008-10-10 9568 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209467  Epilobium densiflorum R. G. Swinney 2008-10-10 9562 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209470  Pedicularis semibarbata R. G. Swinney 2008-7-3 9160 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UCR209474  Elymus elymoides R. G. Swinney 2008-7-3 9152 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UCR209482  Tauschia parishii R. G. Swinney 2008-6-17 9022 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR209495  Phacelia distans R. G. Swinney 2008-6-17 9043 Los Angeles San Gabriel Mountains, Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1952 Comment
  UCR209500  Lupinus formosus R. G. Swinney 2008-6-17 9037 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR209536  Agrostis exarata R. G. Swinney 2008-7-2 9134 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  UCR209539  Lupinus latifolius R. G. Swinney 2008-7-2 9123 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR209545  Rhamnus californica R. G. Swinney 2008-7-2 9109 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 [at Reed Spring] 1878 Comment
  UCR209594  Selaginella watsonii R. G. Swinney 2008-9-12 9447 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  UCR209608  Juncus macrophyllus R. G. Swinney 2008-10-10 9583 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209611  Juncus rugulosus R. G. Swinney 2008-10-10 9574 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209625  Hypochaeris glabra R. G. Swinney 2008-12-2 9910 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  UCR209627  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
  UCR209641  Ribes nevadense R. G. Swinney 2008-7-2 9130 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  UCR209653  Quercus chrysolepis R. G. Swinney 2008-7-2 9111 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 [at Reed Spring] 1878 Comment
  UCR209853  Carex multicaulis R. G. Swinney 2008-7-25 9319 Los Angeles San Gabriel Mtns., Twin Peaks Saddle, between Waterman Mtn. and Twin Peaks, the southernmost of the two saddles 2000 Comment
  UCR209868  Tamarix ramosissima R. G. Swinney 2008-7-12 9176 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR209886  Leptochloa uninervia R. G. Swinney 2008-9-9 9326 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR209889  Epilobium ciliatum R. G. Swinney 2008-7-12 9170 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR209898  Erigeron foliosus R. G. Swinney 2008-7-24 9280 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209901  Lotus nevadensis R. G. Swinney 2008-7-24 9291 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209918  Chrysolepis sempervirens R. G. Swinney 2008-7-25 9312 Los Angeles San Gabriel Mtns., Twin Peaks, west peak 2316 Comment
  UCR209920  Juncus oxymeris R. G. Swinney 2008-7-15 9240 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  UCR209932  Leptodactylon pungens R. G. Swinney 2008-7-15 9201 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209948  Gayophytum R. G. Swinney 2008-7-15 9223 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209956  Deschampsia danthonioides R. G. Swinney 2008-7-24 9336 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR209959  Agrostis exarata R. G. Swinney 2008-7-15 9237 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  UCR209961  Carex praegracilis R. G. Swinney 2008-7-15 9239 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  UCR209978  Calyptridium R. G. Swinney 2008-7-25 9304 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
  UCR209983  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-7-24 9295 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR210008  Cordylanthus rigidus R. G. Swinney 2008-10-7 9462 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR210011  Brickellia californica R. G. Swinney 2008-10-7 9465 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR210027  Carex R. G. Swinney 2008-7-12 9180 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
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Sep 12 2018
  UCR210086  Cyperus eragrostis R. G. Swinney 2008-10-20 9641 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210098  Chenopodium fremontii R. G. Swinney 2008-8-13 9373 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210118  Deschampsia danthonioides R. G. Swinney 2008-7-24 9342 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR210120  Mimulus R. G. Swinney 2008-7-24 9344 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR210132  Calocedrus decurrens R. G. Swinney 2008-8-13 9379 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210148  Elymus triticoides R. G. Swinney 2008-10-16 9617 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  UCR210156  Elymus hispidus R. G. Swinney 2008-7-24 9355 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
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May 11 2012
  UCR210159  Festuca R. G. Swinney 2008-7-24 9357 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR210161  Gayophytum R. G. Swinney 2008-8-13 9384 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
  UCR210178  Gnaphalium luteoalbum R. G. Swinney 2008-10-20 9653 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210229  Epilobium ciliatum R. G. Swinney 2008-10-20 9657 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210231  Eriogonum elongatum R. G. Swinney 2008-10-22 9674 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
  UCR210254  Mimulus cardinalis R. G. Swinney 2008-8-13 9365 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210262  Agrostis exarata R. G. Swinney 2008-8-13 9378 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210285  Camissonia hirtella R. G. Swinney 2008-7-16 9267 Los Angeles San Gabriel Mtns., just north of confluence of Cooper Creek Canyon and Little Rock Creek Canyon, along trail 1720 Comment
  UCR210287  Stipa parishii R. G. Swinney 2008-7-16 9258 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCR210416  Salsola tragus R. G. Swinney 2008-12-6 9977 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
  UCR210419  Polygonum argyrocoleon R. G. Swinney 2008-12-6 9973 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
  UCR210437  Piptatherum miliaceum R. G. Swinney 2008-11-30 9880 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210446  Mirabilis jalapa R. G. Swinney 2008-12-2 9929 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR210458  Baccharis pilularis R. G. Swinney 2008-12-4 9932 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR210476  Stephanomeria virgata R. G. Swinney 2008-11-30 9897 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
  UCR210479  Gnaphalium luteoalbum R. G. Swinney 2008-12-2 9923 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR210481  Melilotus albus R. G. Swinney 2008-12-2 9925 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR210493  Polygonum hydropiperoides R. G. Swinney 2008-11-30 9862 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  UCR210513  Arundo donax R. G. Swinney 2008-11-30 9886 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210522  Apocynum cannabinum R. G. Swinney 2008-11-30 9868 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
  UCR210530  Eclipta prostrata R. G. Swinney 2008-12-4 9946 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  UCR210534  Phacelia cicutaria var. hispida R. G. Swinney 2008-12-4 9942 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR210638  Artemisia douglasiana R. G. Swinney 2008-10-22 9677 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
  UCR210684  Dysphania ambrosioides R. G. Swinney 2008-10-22 9670 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
  UCR210735  Pseudognaphalium biolettii R. G. Swinney 2009-1-19 9996 Los Angeles San Gabriel Mtns., Duarte, 1.5 mi. north of Foothill Blvd. at El Encanto Dr., 100-300 m east of Fish Canyon Rd., confluence of Fish Canyon and San Gabriel River 207 Comment
  UCR215972  Gilia angelensis R. G. Swinney 2005-4-30 8228 Los Angeles San Gabriel Mountains, Glendora, 'Morgan Canyon Plateau' adjacent to and east of Morgan Canyon 418 Comment
  UCR216746  Arundo donax R. G. Swinney 2009-2-20 10018 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR216749  Sisymbrium erysimoides R. G. Swinney 2009-2-20 10010 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
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Dec 24 2010
  UCR216855  Prunus ilicifolia R. G. Swinney 2009-3-11 10094 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR216857  Eucrypta chrysanthemifolia R. G. Swinney 2009-3-11 10092 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR216872  Muhlenbergia microsperma R. G. Swinney 2009-3-12 10104 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
  UCR216880  Amaranthus albus R. G. Swinney 2009-3-13 10110 A 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
  UCR216884  Stellaria pallida R. G. Swinney 2009-2-20 10032 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
  UCR217126  Melia azedarach R. G. Swinney 2009-3-19 10135 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, between I-210 Fwy and Foothill Blvd., west side of the river channel 171 Comment
  UCR217129  Veronica peregrina subsp. xalapensis R. G. Swinney 2009-3-6 10048 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, Azusa, east of Irwindale Ave. and north of I-210 Fwy 152 Comment
  UCR217131  Plantago erecta R. G. Swinney 2009-3-6 10051 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, 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
  UCR217278  Crassula connata R. G. Swinney 2009-3-6 10053 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, 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
  UCR217410  Marah macrocarpa R. G. Swinney 2009-2-26 10043 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
  UCR217428  Spergularia bocconi R. G. Swinney 2009-3-10 10082 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 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
  UCR219426  Camissonia hirtella R. G. Swinney 2009-3-31 10230 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  UCR219429  Euphorbia melanadenia R. G. Swinney 2009-3-28 10195 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
  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
  UCR219450  Oxalis pes-caprae R. G. Swinney 2009-3-28 10183 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR219454  Quercus chrysolepis R. G. Swinney 2009-3-28 10192 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR219462  Medicago polymorpha R. G. Swinney 2009-3-25 10154 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  UCR219555  Parietaria hespera R. G. Swinney 2009-3-28 10214 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
  UCR219557  Sonchus oleraceus R. G. Swinney 2009-3-28 10212 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
  UCR219822  Melilotus indicus R. G. Swinney 2009-4-16 10372 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR219899  Mimulus guttatus R. G. Swinney 2009-4-17 10389 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
  UCR219903  Sambucus mexicana R. G. Swinney 2009-4-17 10394 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
  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
  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
  UCR219937  Eucrypta chrysanthemifolia R. G. Swinney 2009-4-16 10382 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR219946  Populus fremontii R. G. Swinney, Jane Strong 2009-4-21 10411 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR220041  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 915 Comment
  UCR220159  Bromus rubens R. G. Swinney 2009-4-2 10263 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
  UCR220161  Salvia dorrii R. G. Swinney 2009-4-2 10265 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
  UCR220183  Camissonia californica R. G. Swinney 2009-4-7 10292 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
  UCR220191  Pellaea mucronata R. G. Swinney, Jane Strong 2009-4-7 10304 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  UCR220202  Scrophularia californica R. G. Swinney 2009-4-3 10275 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  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
  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
  UCR220231  Brassica geniculata R. G. Swinney 2009-4-13 10323 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
  UCR220250  Cryptantha oxygona R. G. Swinney 2009-4-28 10517 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR220262  Gilia cana R. G. Swinney 2009-4-28 10504 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR220285  Populus fremontii R. G. Swinney 2009-4-24 10481 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR220287  Festuca microstachys R. G. Swinney 2009-4-24 10479 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR220348  Festuca myuros R. G. Swinney 2009-4-13 10318 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR220356  Linum usitatissimum R. G. Swinney 2009-4-13 10324 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
  UCR220359  Cercocarpus betuloides R. G. Swinney 2009-4-15 10335 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  UCR220383  Solanum douglasii R. G. Swinney 2009-4-16 10353 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
  UCR221908  Galium R. G. Swinney 2009-4-28 10534 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR221911  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222735  Salvia dorrii var. pilosa R. G. Swinney 2009-5-12 10714 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  UCR222737  Plagiobothrys arizonicus R. G. Swinney 2009-5-12 10713 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  UCR222746  Delphinium parishii R. G. Swinney 2009-4-29 10571 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
  UCR222749  Stanleya pinnata R. G. Swinney 2009-4-29 10568 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
  UCR222758  Camissonia boothii R. G. Swinney 2009-4-29 10598 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
  UCR222763  Centrostegia thurberi R. G. Swinney 2009-5-12 10752 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
  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
  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
  UCR222781  Gilia brecciarum subsp. brecciarum R. G. Swinney 2009-4-28 10555 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222793  Chorizanthe perfoliata R. G. Swinney 2009-5-12 10744 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
  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
  UCR222823  Phoradendron densum R. G. Swinney 2009-4-29 10602 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
  UCR222985  Lycium cooperi R. G. Swinney 2009-5-5 10642 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR222987  Caulanthus lasiophyllus R. G. Swinney 2009-5-5 10643 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR222992  Dichelostemma capitatum R. G. Swinney 2009-5-5 10634 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223005  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
  UCR223010  Microseris lindleyi R. G. Swinney 2009-5-5 10636 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223014  Allium fimbriatum R. G. Swinney 2009-5-5 10631 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223028  Purshia glandulosa R. G. Swinney 2009-4-29 10615 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
  UCR223033  Baccharis salicifolia R. G. Swinney 2009-5-6 10670 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
  UCR223040  Arctostaphylos glauca R. G. Swinney 2009-5-6 10667 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
  UCR223065  Mimulus guttatus R. G. Swinney 2009-5-6 10684 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223067  Eriogonum brachyanthum R. G. Swinney 2009-5-6 10682 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223070  Sisymbrium orientale R. G. Swinney 2009-5-6 10679 A Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223074  Encelia actoni R. G. Swinney 2009-5-13 10785 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
  UCR223082  Chenopodium californicum R. G. Swinney 2009-5-13 10773 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
  UCR223097  Plagiobothrys tenellus R. G. Swinney 2009-6-2 11020 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223104  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 1463 Comment
  UCR223115  Galium johnstonii R. G. Swinney 2009-5-20 10801 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
  UCR223117  Bromus tectorum R. G. Swinney 2009-5-20 10799 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
  UCR223136  Penstemon labrosus R. G. Swinney 2009-7-22 11353 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223139  Clarkia rhomboidea R. G. Swinney 2009-7-22 11356 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223147  Castilleja applegatei R. G. Swinney 2009-7-22 11329 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223160  Allium lacunosum var. davisiae R. G. Swinney 2009-5-27 10899 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223164  Melica imperfecta R. G. Swinney 2009-5-20 10814 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
  UCR223175  Erigeron foliosus R. G. Swinney 2009-7-22 11317 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR223177  Lotus nevadensis R. G. Swinney 2009-7-22 11319 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR223190  Thysanocarpus curvipes R. G. Swinney 2009-5-20 10807 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
  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
  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
  UCR223213  Thalictrum fendleri var. fendleri R. G. Swinney 2009-5-27 10891 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223234  Oxytheca trilobata R. G. Swinney 2009-5-27 10878 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223251  Aquilegia formosa R. G. Swinney 2009-7-22 11371 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223266  Medicago sativa R. G. Swinney 2009-8-19 11458 Los Angeles Transverse Range; San Gabriel Mtns., confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  UCR223269  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
  UCR223273  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-7-29 11448 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223288  Gnaphalium canescens subsp. beneolens R. G. Swinney 2009-7-23 11386 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
  UCR223299  Ericameria parryi R. G. Swinney 2009-7-29 11423 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223300  Eriodictyon trichocalyx R. G. Swinney 2009-7-29 11424 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223304  Lessingia filaginifolia R. G. Swinney 2009-7-29 11409 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223315  Malacothamnus fremontii R. G. Swinney 2009-5-20 10842 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223317  Amaranthus blitoides R. G. Swinney 2009-6-28 11291 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
  UCR223345  Leptosiphon breviculus R. G. Swinney 2009-7-29 11414 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223347  Pinus coulteri R. G. Swinney 2009-7-29 11431 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223352  Delphinium parishii R. G. Swinney 2009-5-20 10837 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223360  Elymus elymoides R. G. Swinney 2009-5-20 10827 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223364  Cryptantha simulans R. G. Swinney 2009-5-27 10866 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223375  Penstemon labrosus R. G. Swinney 2009-7-23 11391 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
  UCR223377  Epilobium densiflorum R. G. Swinney 2009-7-23 11389 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
  UCR223390  Phacelia cryptantha R. G. Swinney 2009-5-20 10818 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
  UCR223394  Erigeron foliosus R. G. Swinney 2009-7-29 11404 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
  UCR223442  Claytonia perfoliata R. G. Swinney 2009-6-3 11058 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
  UCR223455  Juncus balticus R. G. Swinney 2009-6-8 11100 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
  UCR223457  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-6-8 11098 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
  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
  UCR223502  Calyptridium monandrum R. G. Swinney 2009-5-28 10948 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223526  Gilia latiflora subsp. davyi R. G. Swinney 2009-5-28 10920 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223531  Eriophyllum confertiflorum R. G. Swinney 2009-5-28 10911 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223554  Bromus tectorum R. G. Swinney 2009-6-2 10996 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223562  Cheilanthes covillei R. G. Swinney 2009-6-2 10986 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223587  Saltugilia splendens subsp. grantii R. G. Swinney 2009-6-8 11066 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
  UCR223592  Allophyllum gilioides subsp. violaceum R. G. Swinney 2009-6-8 11080 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
  UCR223603  Castilleja pruinosa R. G. Swinney 2009-6-8 11084 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
  UCR223619  Eriogonum saxatile R. G. Swinney 2009-6-17 11212 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR223646  Orobanche californica R. G. Swinney 2009-6-24 11262 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
  UCR223649  Quercus wislizeni R. G. Swinney 2009-6-24 11265 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
  UCR223663  Bromus rubens R. G. Swinney 2009-6-12 11129 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223679  Amaranthus albus R. G. Swinney 2009-8-25 11497 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
  UCR223693  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-24 11249 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223723  Rumex crispus R. G. Swinney 2009-6-8 11107 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223738  Bromus tectorum R. G. Swinney 2009-6-24 11235 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223742  Lotus strigosus R. G. Swinney 2009-6-24 11238 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223755  Festuca microstachys R. G. Swinney 2009-5-28 10970 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223757  Orobanche R. G. Swinney 2009-5-28 10972 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 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
  UCR223784  Allium R. G. Swinney 2009-5-28 10958 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223803  Prunus virginiana R. G. Swinney 2009-8-25 11489 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
  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
  UCR223913  Chaenactis santolinoides R. G. Swinney 2009-6-24 11254 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR224268  Cryptantha muricata R. G. Swinney 2009-6-24 11273 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
  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
  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
  UCR239973  Polypogon monspeliensis R. G. Swinney 2009-11-18 11656 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
  UCR239996  Trichostema austromontanum R. G. Swinney 2009-7-22 11340 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR239999  Cuscuta R. G. Swinney 2009-11-9 11589 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
  UCR240020  Eclipta prostrata R. G. Swinney 2009-11-9 11590 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
  UCR240024  Ericameria nauseosa R. G. Swinney 2009-11-13 11598 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UCR242078  Opuntia basilaris R. G. Swinney 2009-11-18 11660 Los Angeles Transverse Range; San Gabriel Mountains, summit of Oracle Hill, 1 air mi. ESE of junction of Angeles Forest Hwy & Soledad Canyon 1310 Comment
  UCR242850  Carex alma R. G. Swinney 2009-8-8 11505 Los Angeles Transverse Range; San Gabriel Mtns., 0.2-1 mi. north of summit of Pacifico Mtn., SE fork of Santiago Canyon 2055 Comment
  UCR243015  Verbena lasiostachys R. G. Swinney 2009-8-6 11522 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
  UCR243017  Datisca glomerata R. G. Swinney 2009-8-6 11519 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
  UCR252550  Crassula connata R. G. Swinney 2010-3-11 11870 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
  UCR252554  Monardella breweri subsp. lanceolata R. G. Swinney 2010-6-21 13249 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
  UCR252738  Lupinus latifolius R. G. Swinney 2010-5-29 13407 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR252742  Schinus molle R. G. Swinney 2010-9-1 13659 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252755  Malacothamnus davidsonii R. G. Swinney 2010-9-1 13653 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252757  Lantana montevidensis R. G. Swinney 2010-9-1 13651 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252772  Rhus ovata R. G. Swinney 2010-3-10 11789 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR252784  Festuca myuros R. G. Swinney 2010-3-10 11793 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR252876  Chaenactis stevioides R. G. Swinney 2010-5-11 12661 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
  UCR252879  Amsinckia tessellata R. G. Swinney 2010-5-11 12651 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
  UCR252881  Calyptridium monandrum R. G. Swinney 2010-5-11 12662 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
  UCR252893  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-29 13398 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR253391  Elymus glaucus R. G. Swinney 2010-6-21 13266 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
  UCR255750  Toxicodendron diversilobum R. G. Swinney 2010-4-15 12268 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
  UCR255754  Erodium cicutarium R. G. Swinney 2010-5-12 12719 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
  UCR255762  Sisymbrium altissimum R. G. Swinney 2010-5-12 12712 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
  UCR255785  Salvia mellifera R. G. Swinney 2010-4-20 12304 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR255787  Spartium junceum R. G. Swinney 2010-4-20 12300 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR255792  Adenostoma fasciculatum R. G. Swinney 2010-3-10 11821 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  UCR255806  Schismus barbatus R. G. Swinney 2010-5-12 12750 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
  UCR255809  Malacothrix californica R. G. Swinney 2010-5-12 12747 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
  UCR255813  Lupinus hirsutissimus R. G. Swinney 2010-5-4 12494 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
  UCR255822  Ephedra nevadensis R. G. Swinney 2010-5-12 12770 Los Angeles San Gabriel Mountains/West Mojave Desert, Carr Canyon above Mt. Emma Rd. crossing, 0.6 miles east of Littlerock Creek confluence with Carr Cyn. 945 Comment
  UCR255830  Platystemon californicus R. G. Swinney 2010-5-12 12745 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
  UCR255834  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
  UCR255843  Salvia columbariae R. G. Swinney 2010-3-10 11827 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
  UCR256136  Mentzelia micrantha R. G. Swinney 2010-4-20 12316 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR256139  Agrostis idahoensis R. G. Swinney 2010-10-13 14021 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR256147  Pseudognaphalium californicum R. G. Swinney 2010-4-20 12309 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR256160  Malacothamnus R. G. Swinney 2010-6-4 13040 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
  UCR256164  Paeonia californica R. G. Swinney 2010-3-10 11839 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
  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
  UCR256177  Pentagramma triangularis R. G. Swinney 2010-6-4 13059 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
  UCR256190  Erigeron foliosus R. G. Swinney 2010-6-4 13064 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
  UCR256206  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-19 12844 B 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
  UCR256209  Solanum umbelliferum R. G. Swinney 2010-3-22 12015 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
  UCR256213  Pinus lambertiana R. G. Swinney 2010-9-21 13849 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 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
  UCR256230  Helianthus gracilentus R. G. Swinney 2010-6-4 13044 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  UCR256234  Veronica R. G. Swinney 2010-6-4 13058 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
  UCR256251  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-3-22 12083 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR256266  Drymocallis cuneifolia var. ewanii R. G. Swinney 2010-10-13 14043 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR256269  Draba corrugata R. G. Swinney 2010-10-13 14038 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR256438  Salix exigua R. G. Swinney 2010-6-4 13022 Los Angeles San Gabriel Mountains, Placerita Canyon, Placerita Cyn. Natural Area, 0.3-0.9 miles east of nature center 543 Comment
  UCR256442  Malacothamnus R. G. Swinney 2010-3-10 11837 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  UCR256455  Veratrum californicum R. G. Swinney 2010-10-13 14025 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR256457  Cirsium vulgare R. G. Swinney 2010-9-9 13780 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
  UCR256472  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2010-6-8 13195 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
  UCR256835  Elymus trachycaulus R. G. Swinney 2010-10-13 14020 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 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
  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
  UCR256858  Castilleja miniata subsp. miniata R. G. Swinney 2010-10-13 14016 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR256876  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 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
  UCR256879  Keckiella cordifolia R. G. Swinney 2010-8-16 13532 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256881  Araujia sericifera R. G. Swinney 2010-8-16 13538 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR258495  Lactuca serriola R. G. Swinney 2010-6-23 13316 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
  UCR258497  Lupinus sparsiflorus R. G. Swinney 2010-3-10 11813 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258500  Medicago polymorpha R. G. Swinney 2010-3-10 11816 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258504  Plantago major R. G. Swinney 2010-6-23 13329 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
  UCR258517  Pluchea odorata var. odorata R. G. Swinney 2010-6-23 13308 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
  UCR258521  Aralia californica R. G. Swinney 2010-8-9 13477 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  UCR258560  Nicotiana glauca R. G. Swinney 2010-5-29 13012 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR258564  Lupinus succulentus R. G. Swinney 2010-3-10 11811 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258575  Mentzelia micrantha R. G. Swinney 2010-4-23 12369 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258577  Solanum douglasii R. G. Swinney 2010-4-23 12367 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258590  Lactuca serriola R. G. Swinney 2010-8-11 13515 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  UCR258594  Pseudotsuga macrocarpa R. G. Swinney 2010-9-13 13802 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 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
  UCR258611  Artemisia dracunculus R. G. Swinney 2010-6-23 13319 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
  UCR258686  Nicotiana glauca R. G. Swinney 2010-3-16 11940 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
  UCR258689  Encelia farinosa R. G. Swinney 2010-3-16 11927 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  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
  UCR258705  Lupinus sparsiflorus R. G. Swinney 2010-3-22 12019 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258710  Salvia columbariae R. G. Swinney 2010-5-19 12824 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
  UCR258714  Ericameria linearifolia R. G. Swinney 2010-5-19 12820 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR258728  Mimulus brevipes R. G. Swinney 2010-6-23 13351 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
  UCR258733  Cryptantha muricata R. G. Swinney 2010-3-16 11922 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
  UCR258740  Mentzelia R. G. Swinney 2010-5-19 12814 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
  UCR258765  Lupinus bicolor R. G. Swinney 2010-6-1 13128 Los Angeles San Gabriel Mountains, lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  UCR258767  Amaranthus blitoides R. G. Swinney 2010-6-23 13324 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
  UCR258770  Bromus tectorum R. G. Swinney 2010-5-19 12835 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
  UCR258774  Clarkia cylindrica R. G. Swinney 2010-6-23 13345 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
  UCR258808  Centaurea melitensis R. G. Swinney 2010-5-25 12979 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
  UCR258811  Brassica geniculata R. G. Swinney 2010-5-25 12965 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
  UCR258841  Phacelia distans R. G. Swinney 2010-3-22 12037 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 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
  UCR258898  Trifolium hirtum R. G. Swinney 2010-4-30 12466 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
  UCR258901  Hordeum murinum R. G. Swinney 2010-4-30 12460 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCR258918  Apocynum cannabinum R. G. Swinney 2010-9-13 13814 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
  UCR258920  Spartium junceum R. G. Swinney 2010-5-7 12618 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
  UCR258924  Stephanomeria pauciflora R. G. Swinney 2010-5-7 12613 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
  UCR258932  Erodium cicutarium R. G. Swinney 2010-2-27 11745 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
  UCR258948  Eucalyptus polyanthemos R. G. Swinney 2010-2-27 11762 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
  UCR258956  Malacothrix saxatilis R. G. Swinney 2010-2-27 11749 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
  UCR258959  Dysphania botrys R. G. Swinney 2010-9-13 13816 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
  UCR258961  Cyperus involucratus R. G. Swinney 2010-2-27 11754 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
  UCR259048  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-12 12753 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
  UCR259056  Dactylis glomerata R. G. Swinney 2010-6-21 13301 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
  UCR259059  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-12 12765 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
  UCR259061  Ceanothus leucodermis R. G. Swinney 2010-3-18 11967 Los Angeles San Gabriel Mountains/Verdugo Mountains, Lake View Terrace, SE end of Orcas Park in Hansen Dam Basin, within 10 meters of Salix riparian forest corridor in Big Tujunga Wash 323 Comment
  UCR259078  Bidens laevis R. G. Swinney 2010-10-15 14049 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR259083  Chenopodium berlandieri R. G. Swinney 2010-10-15 14062 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR259091  Elymus glaucus var. glaucus R. G. Swinney 2010-9-9 13756 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
  UCR259125  Stipa coronata var. coronata R. G. Swinney 2010-5-4 12522 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
  UCR259127  Camissonia hirtella R. G. Swinney 2010-4-28 12382 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
  UCR259141  Centaurea melitensis R. G. Swinney 2010-6-23 13366 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
  UCR259153  Acer macrophyllum R. G. Swinney 2010-8-30 13622 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
  UCR259168  Chenopodium berlandieri R. G. Swinney 2010-6-23 13356 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
  UCR259186  Bromus diandrus R. G. Swinney 2010-4-28 12381 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
  UCR259238  Galium angustifolium R. G. Swinney 2010-9-9 13749 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
  UCR259242  Plagiobothrys canescens R. G. Swinney 2010-3-14 11904 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
  UCR259255  Carex alma R. G. Swinney 2010-6-4 12998 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
  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
  UCR259272  Muilla maritima R. G. Swinney 2010-5-4 12517 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
  UCR259280  Spartium junceum R. G. Swinney 2010-6-4 12987 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
  UCR259284  Juncus R. G. Swinney 2010-6-4 12991 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
  UCR259353  Gnaphalium palustre R. G. Swinney 2010-9-7 13681 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 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
  UCR259386  Hosackia oblongifolia R. G. Swinney 2010-9-7 13725 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  UCR259398  Piptatherum miliaceum R. G. Swinney 2010-8-30 13638 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
  UCR259406  Dysphania botrys R. G. Swinney 2010-9-9 13742 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
  UCR259409  Phacelia imbricata subsp. patula R. G. Swinney 2010-9-9 13739 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
  UCR259466  Eriogonum davidsonii R. G. Swinney 2010-9-7 13709 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259546  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-15 12230 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259549  Mentzelia laevicaulis R. G. Swinney 2010-9-1 13673 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  UCR259563  Camissonia bistorta R. G. Swinney 2010-4-1 12131 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
  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
  UCR259581  Heteromeles arbutifolia R. G. Swinney 2010-6-8 13182 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
  UCR259593  Erigeron foliosus var. foliosus R. G. Swinney 2010-9-7 13682 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259602  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. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR259626  Eriodictyon trichocalyx R. G. Swinney 2010-3-30 12114 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
  UCR259631  Adenostoma fasciculatum R. G. Swinney 2010-4-15 12215 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259654  Mimulus cardinalis R. G. Swinney 2010-9-1 13669 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  UCR259662  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-7 13719 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  UCR259766  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-4-28 12422 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
  UCR259769  Malacothrix saxatilis R. G. Swinney 2010-4-28 12395 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
  UCR259773  Camissonia bistorta R. G. Swinney 2010-4-28 12390 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR259892  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-6-1 13077 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
  UCR259923  Lotus salsuginosus R. G. Swinney 2010-3-18 11978 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
  UCR259938  Robinia pseudoacacia R. G. Swinney 2010-4-1 12148 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
  UCR259942  Chenopodium berlandieri R. G. Swinney 2010-4-13 12211 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR259955  Camissonia hirtella R. G. Swinney 2010-4-28 12427 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
  UCR259957  Ceanothus oliganthus var. sorediatus R. G. Swinney 2010-3-16 11953 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
  UCR259980  Mentzelia R. G. Swinney 2010-5-11 12643 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
  UCR259984  Stipa coronata R. G. Swinney 2010-4-23 12330 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR260005  Malva parviflora R. G. Swinney 2010-5-7 12602 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
  UCR260007  Sonchus oleraceus R. G. Swinney 2010-3-24 12091 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
  UCR260014  Lepidospartum squamatum R. G. Swinney 2010-4-1 12154 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
  UCR260033  Eulobus californicus R. G. Swinney 2010-3-30 12119 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
  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
  UCR260345  Lotus scoparius var. scoparius R. G. Swinney 2010-5-4 12564 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
  UCR260347  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12537 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
  UCR260352  Medicago polymorpha R. G. Swinney 2010-5-4 12547 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
  UCR260360  Phacelia R. G. Swinney 2010-4-30 12448 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
  UCR260364  Elymus glaucus R. G. Swinney 2010-6-21 13274 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
  UCR260375  Carduus pycnocephalus R. G. Swinney 2010-4-23 12371 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
  UCR260377  Sisymbrium officinale R. G. Swinney 2010-6-21 13285 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
  UCR260394  Dryopteris arguta R. G. Swinney 2010-6-21 13282 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
  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
  UCR260803  Pseudognaphalium californicum R. G. Swinney 2010-8-9 13464 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCR261135  Schismus barbatus R. G. Swinney 2010-2-27 11724 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
  UCR261137  Descurainia pinnata R. G. Swinney 2010-2-27 11726 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
  UCR261319  Cuscuta R. G. Swinney 2010-3-13 11892 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR261337  Erodium cicutarium R. G. Swinney 2010-4-1 12159 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
  UCR261346  Salvia columbariae R. G. Swinney 2010-6-29 13376 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  UCR261349  Camissonia bistorta R. G. Swinney 2010-6-29 13385 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  UCR261363  Gutierrezia californica R. G. Swinney 2010-4-1 12166 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCR261553  Antirrhinum coulterianum R. G. Swinney 2010-6-29 13372 B Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  UCR261759  Medicago lupulina R. G. Swinney 2010-9-13 13836 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
  UCR261778  Eleocharis R. G. Swinney 2010-9-13 13820 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
  UCR261783  Ricinus communis R. G. Swinney 2010-2-27 11741 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
  UCR261791  Plantago major R. G. Swinney 2010-9-13 13841 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
  UCR269938  Marah macrocarpa R. G. Swinney 2010-4-15 12240 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
  UCR269942  Dendromecon rigida R. G. Swinney 2010-4-13 12188 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
  UCR269955  Amsinckia tessellata R. G. Swinney 2010-6-1 13089 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
  UCR269957  Ephedra nevadensis R. G. Swinney 2010-5-12 12727 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
  UCR269972  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-6-1 13117 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
  UCR269984  Tauschia parishii R. G. Swinney 2011-7-21 15552 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270003  Claytonia parviflora R. G. Swinney 2010-5-19 12796 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
  UCR270016  Antirrhinum kelloggii R. G. Swinney 2010-3-24 12070 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
  UCR270019  Cryptantha muricata R. G. Swinney 2010-4-13 12185 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
  UCR270035  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-21 15547 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270046  Coreopsis bigelovii R. G. Swinney 2011-4-20 14435 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
  UCR270049  Blitum californicum R. G. Swinney 2011-3-17 14117 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270058  Orobanche fasciculata R. G. Swinney 2011-7-21 15541 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270063  Pholistoma auritum var. auritum R. G. Swinney 2011-3-17 14131 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270076  Asclepias eriocarpa R. G. Swinney 2011-7-21 15545 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270079  Rhus aromatica R. G. Swinney 2011-3-17 14115 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270081  Platanus racemosa R. G. Swinney 2011-3-17 14110 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270093  Salvia mellifera R. G. Swinney 2011-4-9 14376 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
  UCR270106  Baccharis salicifolia R. G. Swinney 2011-3-17 14123 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270109  Hulsea heterochroma R. G. Swinney 2010-9-9 13788 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
  UCR270113  Solanum umbelliferum R. G. Swinney 2010-4-15 12262 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
  UCR270122  Epilobium glaberrimum R. G. Swinney 2010-9-9 13794 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
  UCR270151  Eriophyllum wallacei R. G. Swinney 2011-4-20 14436 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
  UCR270166  Ribes aureum var. gracillimum R. G. Swinney 2011-4-9 14387 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
  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
  UCR270215  Argemone munita R. G. Swinney 2011-7-7 15435 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  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
  UCR270221  Pellaea andromedifolia R. G. Swinney 2011-11-1 15956 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
  UCR270236  Amaranthus albus R. G. Swinney 2011-6-30 15386 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270239  Thalictrum fendleri var. polycarpum R. G. Swinney 2011-6-30 15401 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270245  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-7-7 15441 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
  UCR270247  Erigeron foliosus var. foliosus R. G. Swinney 2011-10-10 15745 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
  UCR270252  Eriogonum molestum R. G. Swinney 2011-10-10 15735 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
  UCR270260  Lupinus formosus R. G. Swinney 2011-6-15 15158 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  UCR270264  Juncus macrophyllus R. G. Swinney 2011-10-10 15721 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
  UCR270453  Saltugilia australis R. G. Swinney 2011-5-12 14661 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
  UCR270468  Salix lasiolepis R. G. Swinney 2011-11-1 15967 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 585 Comment
  UCR270471  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-7-7 15422 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
  UCR270486  Polypodium californicum R. G. Swinney 2011-3-22 14195 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270489  Penstemon centranthifolius R. G. Swinney 2011-6-15 15169 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  UCR270501  Camissonia campestris R. G. Swinney 2011-5-26 14850 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
  UCR270518  Rafinesquia californica R. G. Swinney 2010-4-13 12191 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR270520  Ribes malvaceum var. viridifolium R. G. Swinney 2011-3-22 14191 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270524  Logfia filaginoides R. G. Swinney 2010-4-13 12178 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
  UCR270633  Juncus duranii R. G. Swinney 2011-8-17 15647 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270640  Mimulus cardinalis R. G. Swinney 2011-6-30 15384 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270644  Nemophila menziesii var. menziesii R. G. Swinney 2011-3-22 14183 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270665  Trifolium obtusiflorum R. G. Swinney 2011-6-29 15351 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270667  Typha R. G. Swinney 2011-6-29 15356 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270670  Potentilla glandulosa subsp. ewanii R. G. Swinney 2011-8-17 15641 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270674  Layia glandulosa R. G. Swinney 2011-5-24 14818 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
  UCR270805  Hulsea vestita R. G. Swinney 2011-7-21 15534 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270810  Carex abrupta R. G. Swinney 2011-8-17 15626 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
  UCR270828  Collinsia parryi R. G. Swinney 2011-5-24 14825 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
  UCR270844  Pseudognaphalium californicum R. G. Swinney 2011-6-29 15348 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270865  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12261 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
  UCR270867  Coreopsis bigelovii R. G. Swinney 2011-5-26 14880 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
  UCR270870  Arabis repanda R. G. Swinney 2011-8-17 15631 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270895  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-26 14873 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
  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
  UCR270900  Collinsia torreyi var. wrightii R. G. Swinney 2011-8-17 15642 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270904  Polypogon monspeliensis R. G. Swinney 2011-5-26 14871 B 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
  UCR270917  Stipa speciosa R. G. Swinney 2011-5-26 14870 A 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
  UCR270921  Prunus ilicifolia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14342 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
  UCR270939  Phacelia brachyloba R. G. Swinney 2011-6-14 15142 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270945  Quercus wislizeni var. frutescens R. G. Swinney 2011-6-14 15135 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270947  Camissoniopsis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14326 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  UCR270964  Eucrypta chrysanthemifolia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14321 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
  UCR270977  Aspidotis californica R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14349 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
  UCR270990  Lobularia maritima R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14333 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
  UCR270994  Quercus wislizeni var. frutescens R. G. Swinney 2011-4-28 14543 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  UCR271047  Thysanocarpus laciniatus var. laciniatus R. G. Swinney 2011-6-6 15017 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR271060  Dichelostemma capitatum R. G. Swinney 2011-6-6 15005 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
  UCR271075  Lupinus bicolor R. G. Swinney 2011-5-26 14835 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
  UCR271077  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2011-6-14 15127 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR271090  Lupinus excubitus var. hallii R. G. Swinney 2011-4-28 14525 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  UCR271128  Lotus unifoliolatus var. unifoliolatus R. G. Swinney 2011-10-10 15759 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
  UCR271133  Epilobium canum subsp. latifolium R. G. Swinney 2011-10-10 15725 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR271140  Gayophytum diffusum subsp. diffusum R. G. Swinney 2011-6-14 15110 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR271165  Festuca microstachys R. G. Swinney 2011-4-20 14461 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 1000 Comment
  UCR271167  Dysphania botrys R. G. Swinney 2011-9-27 15703 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  UCR271170  Corethrogyne filaginifolia R. G. Swinney 2011-10-10 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 1585 Comment
  UCR271174  Erigeron foliosus R. G. Swinney 2011-7-8 15496 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCR271182  Eriogonum davidsonii R. G. Swinney 2011-9-27 15699 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
  UCR271197  Lotus nevadensis R. G. Swinney 2011-6-6 14998 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR271203  Juncus xiphioides R. G. Swinney 2011-11-1 15973 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
  UCR271216  Silene parishii R. G. Swinney 2011-9-27 15692 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
  UCR271219  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-6-1 14960 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1073 Comment
  UCR271235  Triticum aestivum R. G. Swinney 2011-5-12 14699 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
  UCR271237  Rubus ursinus R. G. Swinney 2011-5-12 14717 Los Angeles San Gabriel Mountains, along Cabin Canyon Creek near the confluence with Aliso Canyon 1195 Comment
  UCR271249  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 1256 Comment
  UCR271305  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 2384 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
  UCR271395  Mentzelia veatchiana R. G. Swinney 2011-5-12 14672 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
  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
  UCR271462  Leptosiphon parviflorus R. G. Swinney 2011-5-3 14571 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271487  Caucalis microcarpa R. G. Swinney 2011-5-3 14560 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271523  Argemone munita R. G. Swinney 2011-5-31 14914 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
  UCR271538  Juncus effusus subsp. austrocalifornicus R. G. Swinney 2011-10-13 15799 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
  UCR271542  Verbascum thapsus R. G. Swinney 2011-10-13 15797 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
  UCR271555  Marrubium vulgare R. G. Swinney 2011-3-18 14144 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR271557  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR271572  Dichelostemma capitatum R. G. Swinney 2011-5-19 14787 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
  UCR271580  Hordeum brachyantherum R. G. Swinney 2011-6-23 15289 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR271606  Arctostaphylos glandulosa R. G. Swinney 2011-10-13 15796 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
  UCR271609  Heteromeles arbutifolia R. G. Swinney 2011-11-3 15991 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
  UCR271666  Muilla maritima R. G. Swinney 2011-5-31 14932 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
  UCR271669  Polypodium californicum R. G. Swinney 2011-3-26 14218 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
  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
  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
  UCR271731  Scutellaria tuberosa R. G. Swinney 2011-3-26 14204 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
  UCR271750  Vinca major R. G. Swinney 2011-3-26 14237 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
  UCR271754  Stellaria media R. G. Swinney 2011-3-26 14224 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
  UCR271792  Salvia mellifera R. G. Swinney 2010-5-7 12582 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
  UCR271806  Rafinesquia californica R. 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
  UCR271809  Juncus R. G. Swinney 2011-6-23 15301 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR271813  Cryptantha muricata R. G. Swinney 2010-4-28 12417 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
  UCR271822  Phacelia minor R. G. Swinney 2010-4-28 12402 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR271834  Bidens pilosa R. G. Swinney 2010-4-30 12478 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
  UCR271843  Lepidospartum squamatum R. G. Swinney 2011-10-27 15921 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
  UCR271851  Marah macrocarpa R. G. Swinney 2011-3-15 14068 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  UCR271873  Logfia filaginoides R. G. Swinney 2010-3-24 12058 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
  UCR271888  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-28 12418 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
  UCR271896  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 512 Comment
  UCR271899  Salvia apiana R. G. Swinney 2011-5-31 14894 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
  UCR271903  Stellaria media R. G. Swinney 2011-3-15 14073 B Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  UCR271916  Schismus barbatus R. G. Swinney 2010-3-24 12075 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
  UCR271919  Medicago polymorpha R. G. Swinney 2010-3-24 12048 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
  UCR271976  Penstemon centranthifolius R. G. Swinney 2011-5-31 14911 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
  UCR271979  Mentzelia veatchiana R. G. Swinney 2011-5-31 14887 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
  UCR271981  Gamochaeta pensylvanica R. G. Swinney 2011-3-26 14225 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
  UCR272016  Vinca major R. G. Swinney 2010-4-30 12479 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
  UCR272019  Prunus ilicifolia R. G. Swinney 2011-5-31 14935 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and conflu