Search Results — 2000 specimen records retrieved (1984 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC166528  Erythranthe parishii R. G. Swinney 2005-7-21 8313 Los Angeles San Gabriel Mountains: Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  CAS-BOT-BC174240  Agrostis R. G. Swinney 2008-7-24 9351 Los Angeles San Gabriel Mtns.: Waterman Mountain, ski runway on east-facing slope 2390 Comment
  CAS-BOT-BC176438  Adiantum aleuticum R. G. Swinney 1998-10-3 7008 Los Angeles San Gabriel Mtns: upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  CAS-BOT-BC221626  Bromus carinatus R. G. Swinney 2009-6-3 11034 Los Angeles Transverse Range; San Gabriel Mtns.: Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC235729  Keckiella cordifolia R. G. Swinney 2009-5-8 10693 Los Angeles Transverse Range; San Gabriel Mtns.: Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  CAS-BOT-BC302597  Gnaphalium palustre R. G. Swinney 2008-7-24 9354 Los Angeles San Gabriel Mtns.: Waterman Mountain, ski runway on east-facing slope 2390 Comment
  CAS-BOT-BC350987  Achnatherum occidentale R. G. Swinney 2009-6-3 11029 Los Angeles Transverse Range, San Gabriel Mtns: Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC364255  Senecio triangularis R. G. Swinney 1997-7-22 5706 Los Angeles San Gabriel Mtns: Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  CAS-BOT-BC482464  Ribes aureum R. G. Swinney 2010-4-30 12464 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 616 Comment
  CAS-BOT-BC487907  Calochortus 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
  CAS-BOT-BC518703  Cestrum nocturnum R. G. Swinney 2010-6-11 13247 Los Angeles San Gabriel Mountains: Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mi N of Foothill Blvd. 184 Comment
  CAS-BOT-BC520314  Cyperus eragrostis R. G. Swinney 2010-4-20 12291 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2--0.4 mi N of Gavina Ave., near E end of Wallabi Ave. 432 Comment
  CDA35807  Sisymbrium erysimoides R. G. Swinney 2009-2-2 10026 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. Comment
  HSC101298  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
  HSC101311  Chaenactis xantiana R. G. Swinney 2009-4-28 10512 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  HSC101314  Rhus aromatica R. G. Swinney 2009-3-28 10213 Los Angeles Transverse Range, San Gabriel Mtns.: Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 378 Comment
  HSC101358  Eriogonum heermannii R. G. Swinney 2008-8-14 9438 Los Angeles San Gaberiel Mtns.: confluence of Big Rock Creek and Fenner Canyon 1640 Comment
  HSC104215  Pectocarya setosa R. G. Swinney 2009-4-24 10430 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  OBI81437  Eriogonum fasciculatum R. G. Swinney 2009-11-13 11613 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
  OBI82118  Stephanomeria pauciflora R. G. Swinney 2009-11-13 11612 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
  OBI82196  Gutierrezia microcephala Richard G. 'Dick' Swinney 2009-11-13 11606 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. (Acton 7.5' Q.) 921 Comment
  RSA0010905  Castilleja affinis R. G. Swinney 2005-8-15 8478 Los Angeles Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon. 1341 Comment
  RSA0011010  Collinsia callosa R. G. Swinney 2008-6-10 9002 Los Angeles Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail. 1585 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
  RSA0012046  Eriogonum pusillum R. G. Swinney 2009-4-29 10595 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA0016141  Monardella australis R. G. Swinney 1997-7-16 5656 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood. 1921 Comment
  RSA0021248  Camissonia claviformis R. G. Swinney 2008-5-2 8722 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA0029746  Delphinium glaucum R. G. Swinney 1997-7-23 5725 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area. 2256 Comment
  RSA0035882  Eclipta prostrata R. G. Swinney 2009-11-9 11590 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA0036975  Gilia capitata R. G. Swinney 2010-5-11 12666 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
  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
  RSA0037417  Heterotheca fastigiata R. G. Swinney 2010-9-1 13655 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0037419  Typha latifolia R. G. Swinney 2010-9-1 13660 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0038716  Camissonia californica R. G. Swinney 2010-3-22 11996 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0039055  Stephanomeria virgata R. G. Swinney 2009-11-16 11626 Los Angeles 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  RSA0039062  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-11 12644 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA0039136  Bromus hordeaceus R. G. Swinney 2010-3-10 11794 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0039142  Cylindropuntia echinocarpa R. G. Swinney 2009-11-13 11615 Los Angeles confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  RSA0039272  Cerastium glomeratum R. G. Swinney 2010-3-10 11795 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
  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
  RSA0039574  Stephanomeria cichoriacea R. G. Swinney 1997-8-19 5823 Los Angeles San Antonio Peak (=Lookout Mountain), 60-100 m SE of summit. 2052 Comment
  RSA0040382  Nemacladus secundiflorus R. G. Swinney 2010-5-11 12656 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
  RSA0042038  Camissonia californica R. G. Swinney 2010-5-4 12484 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
  RSA0045218  Galium porrigens R. G. Swinney 2010-6-21 13267 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
  RSA0045220  Elymus glaucus R. G. Swinney 2010-6-21 13266 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
  RSA0045224  Rumex hymenosepalus R. G. Swinney 2010-3-11 11868 Los Angeles 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
  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
  RSA0047908  Amsinckia tessellata R. G. Swinney 2010-5-12 12752 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0049476  Alnus rhombifolia Richard G. Swinney 2010-8-16 13523 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0049907  Ribes nevadense R. G. Swinney 2009-8-8 11502 Los Angeles 0.2-1 mi. north of summit of Pacifico Mtn., SE fork of Santiago Canyon 1768 Comment
  RSA0049936  Ephedra nevadensis R. G. Swinney 2010-5-12 12743 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0053862  Cuscuta R. G. Swinney 2010-4-28 12425 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
  RSA0053876  Phacelia minor R. G. Swinney 2010-5-11 12623 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
  RSA0053892  Ribes malvaceum R. G. Swinney 2010-6-8 13180 Los Angeles San Gabriel Mountains: Plaerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. trail, south side of stream. 494 Comment
  RSA0055756  Melica imperfecta R. G. Swinney 2010-5-19 12811 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. 1335 Comment
  RSA0055770  Pterostegia drymarioides R. G. Swinney 2010-4-28 12387 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0055774  Pectocarya penicillata R. G. Swinney 2010-4-28 12394 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
  RSA0055775  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. 488 Comment
  RSA0055782  Marah macrocarpa var. macrocarpa R. G. Swinney 2010-4-28 12429 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0055984  Pinus jeffreyi Richard G. Swinney 2010-10-8 14003 Los Angeles San Gabriel Mountains: Sadie Hawkins peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 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
  RSA0057914  Lupinus excubitus Richard G. Swinney 2010-3-30 12113 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
  RSA0057915  Sambucus nigra subsp. caerulea Richard G. Swinney 2010-4-15 12221 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0057928  Senecio vulgaris Richard G. Swinney 2010-3-16 11950 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0058210  Keckiella cordifolia R. G. Swinney 2010-6-4 13071 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
  RSA0058215  Chenopodium leptophyllum R. G. Swinney 2010-6-23 13353 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
  RSA0058228  Avena barbata Richard G. Swinney 2010-4-23 12349 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0060510  Helianthemum scoparium R. G. Swinney 2010-3-10 11820 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA0062514  Nicotiana glauca R. G. Swinney 2010-4-20 12312 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0062515  Solanum douglasii R. G. Swinney 2010-4-20 12313 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0062528  Phacelia distans R. G. Swinney 2010-6-4 13052 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
  RSA0062623  Pseudognaphalium canescens subsp. microcephalum R. G. Swinney 2010-8-16 13565 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0062627  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0062629  Melilotus albus R. G. Swinney 2010-6-8 13200 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0062632  Scirpus microcarpus R. G. Swinney 2010-9-9 13770 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
  RSA0062692  Trifolium monanthum subsp. monanthum R. G. Swinney 2010-10-13 14028 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0064068  Muhlenbergia richardsonis R. G. Swinney 2010-10-13 14045 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0064472  Colocasia R. G. Swinney 2010-9-1 13648 Los Angeles Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0065212  Cynodon dactylon R. G. Swinney 2010-9-1 13662 Los Angeles Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0066169  Heuchera elegans R. G. Swinney 1998-7-29 6517 Los Angeles South fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1366 Comment
  RSA0068434  Euphorbia R. G. Swinney 2010-8-16 13551 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0068435  Eschscholzia californica R. G. Swinney 2010-8-16 13548 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0068452  Lotus salsuginosus R. G. Swinney 2010-3-30 12118 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA0068460  Pseudognaphalium biolettii R. G. Swinney 2010-3-16 11943 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
  RSA0069201  Ceanothus leucodermis R. G. Swinney 2010-9-9 13778 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
  RSA0069438  Carduus pycnocephalus R. G. Swinney 2010-6-8 13206 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0069844  Filago californica R. G. Swinney 2010-4-20 12298 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
  RSA0069882  Lepidospartum squamatum R. G. Swinney 2010-4-1 12154 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
  RSA0070333  Torilis arvensis R. G. Swinney 2010-6-8 13186 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
  RSA0070369  Camissonia californica R. G. Swinney 2010-3-30 12119 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meers west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA0070371  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12337 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0073362  Sisymbrium irio R. G. Swinney 2010-3-16 11966 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
  RSA0073376  Ceanothus oliganthus subsp. 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
  RSA0073606  Cirsium occidentale var. californicum R. G. Swinney 2010-4-23 12339 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0073611  Calystegia macrostegia R. G. Swinney 2010-4-23 12335 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0076013  Cryptantha microstachys R. G. Swinney 2010-4-13 12209 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0076017  Lotus strigosus R. G. Swinney 2010-4-1 12129 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
  RSA0076019  Chorizanthe coriacea R. G. Swinney 2010-4-1 12132 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
  RSA0076960  Ericameria linearifolia R. G. Swinney 2010-5-19 12820 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0076964  Phacelia cryptantha R. G. Swinney 2010-5-19 12828 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles dues west, of Mt. Emma Rd. 1335 Comment
  RSA0077090  Marah macrocarpa R. G. Swinney 2010-4-15 12228 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0077095  Mirabilis laevis R. G. Swinney 2010-4-15 12226 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0078881  Cryptantha muricata var. denticulata R. G. Swinney 1999-7-5 7533 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
  RSA0079021  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-4-28 10537 Los Angeles summit of Mt. Emma 1585 Comment
  RSA0079123  Cryptantha muricata var. denticulata R. G. Swinney 1998-8-1 6630 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
  RSA0080358  Opuntia basilaris var. brachyclada R. G. Swinney 2011-6-29 15339 Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon and confluence with Mill Creek. 1098 Comment
  RSA0080361  Nemacladus pinnatifidus R. G. Swinney 2011-6-29 15360 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  RSA0080391  Chenopodium berlandieri R. G. Swinney 2010-3-24 12042 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0080438  Schismus arabicus R. G. Swinney 2010-5-19 12787 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0080733  Rubus ursinus R. G. Swinney 2010-4-23 12361 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0080737  Pterostegia drymarioides R. G. Swinney 2010-4-23 12366 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0080739  Ageratina adenophora R. G. Swinney 2010-4-23 12368 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0080741  Clematis ligusticifolia R. G. Swinney 2010-8-11 13516 Los Angeles Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  RSA0080763  Ephedra nevadensis R. G. Swinney 2010-5-12 12727 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
  RSA0080767  Manihot grahamii R. G. Swinney 2010-6-11 13248 Los Angeles Azusa/Duarte, walking path under the Puente Largo RR bridge, main channel of San Gabriel River Wash, 0.5 mile north of Foothill Blvd. 184 Comment
  RSA0080769  Rumex R. G. Swinney 2010-6-29 13390 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  RSA0080771  Caulanthus lasiophyllus var. rigidus R. G. Swinney 2010-5-19 12790 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0080788  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-7 12570 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA0080793  Lotus strigosus R. G. Swinney 2010-4-13 12186 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom. 610 Comment
  RSA0080978  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. 488 Comment
  RSA0080981  Encelia farinosa R. G. Swinney 2010-4-30 12480 Los Angeles Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon. 482 Comment
  RSA0081052  Dudleya cymosa R. G. Swinney 2010-6-1 13108 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
  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
  RSA0081140  Quercus agrifolia R. G. Swinney 2010-4-15 12264 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
  RSA0081318  Cryptantha muricata R. G. Swinney 2010-3-16 11922 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0081324  Stellaria media R. G. Swinney 2010-3-16 11932 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
  RSA0081378  Poa annua R. G. Swinney 2010-3-16 11914 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
  RSA0081381  Raphanus sativus R. G. Swinney 2010-3-16 11907 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
  RSA0081497  Eriophyllum pringlei R. G. Swinney 2010-5-12 12759 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
  RSA0081499  Lycium cooperi R. G. Swinney 2010-5-12 12761 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
  RSA0081521  Sisymbrium orientale R. G. Swinney 2010-3-14 11906 Los Angeles 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
  RSA0081634  Urtica dioica subsp. holosericea R. G. Swinney 2010-9-9 13748 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
  RSA0081700  Eriophyllum wallacei R. G. Swinney 2010-5-19 12800 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0081704  Pectocarya setosa R. G. Swinney 2010-5-19 12805 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0081705  Camissoniopsis hirtella R. G. Swinney 2011-7-21 15548 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0081783  Verbena lasiostachys R. G. Swinney 2010-9-7 13716 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA0081798  Dactylis glomerata R. G. Swinney 2010-6-21 13301 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
  RSA0082405  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-7 13719 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  RSA0082564  Lotus scoparius subsp. scoparius R. G. Swinney 2010-3-10 11819 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA0082565  Tribulus terrestris R. G. Swinney 2010-6-23 13320 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
  RSA0082586  Rumex crispus R. G. Swinney 2010-6-4 12997 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
  RSA0082590  Linanthus aureus R. G. Swinney 2010-6-1 13086 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA0082594  Salvia apiana R. G. Swinney 2010-6-4 12990 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
  RSA0082595  Salvia apiana R. G. Swinney 2010-6-4 12989 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
  RSA0082603  Cistus incanus R. G. Swinney 2010-6-21 13306 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
  RSA0082828  Phacelia cryptantha R. G. Swinney 2010-5-19 12778 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0082875  Erigeron foliosus R. G. Swinney 2011-7-21 15544 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0082882  Layia glandulosa R. G. Swinney 2010-5-19 12776 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0083017  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-12 12765 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
  RSA0083122  Datisca glomerata R. G. Swinney 2010-6-4 13029 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
  RSA0083137  Eleocharis R. G. Swinney 2010-9-13 13833 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
  RSA0083139  Artemisia douglasiana R. G. Swinney 2010-9-13 13822 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
  RSA0083163  Sphaeralcea ambigua subsp. ambigua R. G. Swinney 2010-6-1 13127 Los Angeles lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent. 994 Comment
  RSA0083303  Helianthus gracilentus R. G. Swinney 2010-6-4 13044 Los Angeles 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. 473 Comment
  RSA0083307  Paeonia californica R. G. Swinney 2010-3-22 12020 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0083309  Muhlenbergia microsperma R. G. Swinney 2010-3-22 12018 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0083312  Ribes aureum R. G. Swinney 2010-3-22 12028 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0084657  Calystegia macrostegia R. G. Swinney 2010-3-10 11815 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 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
  RSA0084863  Dysphania ambrosioides R. G. Swinney 2010-8-30 13639 Los Angeles Big Santa Anita Canyon bottom, 0.1 miles south of confluence with Winter Creek. 537 Comment
  RSA0084867  Schismus barbatus R. G. Swinney 2010-6-21 13271 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
  RSA0084869  Melica imperfecta R. G. Swinney 2010-5-4 12556 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0084871  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-4 12557 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0084936  Elatine brachysperma R. G. Swinney 2010-9-13 13805 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA0085096  Melia azedarach R. G. Swinney 2010-4-1 12156 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
  RSA0085302  Acer macrophyllum R. G. Swinney 2010-8-26 13597 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA0085331  Lupinus hirsutissimus R. G. Swinney 2010-4-1 12164 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
  RSA0085347  Malacothamnus davidsonii R. G. Swinney 2010-5-4 12528 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
  RSA0085349  Cirsium occidentale var. coulteri R. G. Swinney 2010-4-28 12378 Los Angeles near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0085404  Eriastrum densifolium R. G. Swinney 2010-6-23 13338 Los Angeles Hansen Dam Flood Control Basin, 0.1-0.4 miles E of Orcas Park on N side of Big Tujunga Wash, east end of survey area due south of Christy Ave. 331 Comment
  RSA0085405  Galium porrigens Richard G. Swinney 2010-8-9 13467 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA0085498  Hieracium argutum R. G. Swinney 2010-8-9 13454 Los Angeles Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  RSA0085603  Alnus rhombifolia R. G. Swinney 2010-8-26 13585 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA0086538  Galium porrigens R. G. Swinney 2011-5-3 14568 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA0086780  Equisetum hyemale R. G. Swinney 1967-6-25 14061 Los Angeles Glendora Wilderness Park, Big Dalton Canyon. 335 Comment
  RSA0086914  Veronica anagallis-aquatica R. G. Swinney 2010-4-21 12327 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  RSA0086915  Marrubium vulgare R. G. Swinney 2010-5-4 12559 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0087028  Muhlenbergia microsperma R. G. Swinney 2010-3-18 11970 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
  RSA0087044  Symphyotrichum R. G. Swinney 2010-9-9 13797 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
  RSA0087045  Equisetum laevigatum R. G. Swinney 2010-9-9 13796 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
  RSA0087070  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12511 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
  RSA0087082  Lotus scoparius var. scoparius R. G. Swinney 2010-5-4 12564 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0087230  Juncus rugulosus R. G. Swinney 2010-9-13 13832 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
  RSA0087234  Aquilegia formosa R. G. Swinney 2010-9-13 13823 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA0087235  Clematis ligusticifolia R. G. Swinney 2010-9-13 13819 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
  RSA0087305  Epipactis gigantea R. G. Swinney 2010-9-13 13821 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
  RSA0087389  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
  RSA0087866  Melilotus indicus R. G. Swinney 2010-5-4 12567 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0088077  Lotus procumbens R. G. Swinney 2010-5-19 12797 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0088106  Dudleya lanceolata R. G. Swinney 2010-4-30 12458 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
  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
  RSA0088263  Ribes malvaceum R. G. Swinney 2010-3-14 11894 Los Angeles 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
  RSA0088410  Eucalyptus polyanthemos R. G. Swinney 2010-2-27 11762 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
  RSA0088414  Ribes aureum R. G. Swinney 2010-2-27 11746 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
  RSA0088415  Cyperus involucratus R. G. Swinney 2010-2-27 11754 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
  RSA0088581  Calyptridium monandrum R. G. Swinney 2010-5-11 12684 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
  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
  RSA0089420  Silene parishii R. G. Swinney 2011-7-21 15529 Los Angeles Strawberry Peak summit 1860 Comment
  RSA0089425  Platanus racemosa R. G. Swinney 2011-3-17 14110 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA0089514  Cryptantha muricata var. denticulata R. G. Swinney 2011-7-21 15527 Los Angeles Strawberry Peak summit 1860 Comment
  RSA0091076  Stachys bullata R. G. Swinney 2011-4-9 14357 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA0091092  Phacelia imbricata subsp. imbricata R. G. Swinney 2011-5-26 14867 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
  RSA0091103  Lupinus elatus R. G. Swinney 2011-8-17 15645 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091107  Mimulus cardinalis R. G. Swinney 2011-6-30 15384 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0091109  Phacelia cicutaria var. hispida R. G. Swinney 2011-4-28 14548 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
  RSA0091112  Eschscholzia californica R. G. Swinney 2011-4-28 14544 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
  RSA0091121  Croton californicus R. G. Swinney 2010-4-13 12189 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  RSA0091136  Mimulus moschatus R. G. Swinney 2011-8-17 15643 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091142  Castilleja minor subsp. spiralis R. G. Swinney 2011-5-24 14809 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
  RSA0091166  Alnus rhombifolia R. G. Swinney 2011-6-30 15402 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0091322  Juncus macrophyllus R. G. Swinney 2011-5-26 14870 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
  RSA0091333  Castilleja miniata var. miniata R. G. Swinney 2011-8-17 15636 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091337  Urtica dioica subsp. holosericea R. G. Swinney 2011-6-29 15346 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA0091339  Castilleja foliolosa R. G. Swinney 2011-5-12 14705 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Cyn. 1195 Comment
  RSA0091341  Caulanthus amplexicaulis R. G. Swinney 2011-5-12 14690 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
  RSA0091363  Lepidium fremontii R. G. Swinney 2011-4-1 14302 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091367  Cryptantha circumscissa R. G. Swinney 2011-4-1 14297 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091478  Claytonia perfoliata R. G. Swinney 2011-3-22 14185 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA0091510  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-10 15744 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA0091514  Pseudognaphalium californicum R. G. Swinney 2011-6-29 15348 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA0091515  Ambrosia salsola R. G. Swinney 2011-4-1 14319 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091528  Lotus unifoliolatus R. G. Swinney 2010-6-29 13392 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA0091544  Crassula connata R. G. Swinney 2011-5-26 14882 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
  RSA0091719  Solanum umbelliferum R. G. Swinney 2011-3-17 14132 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA0091726  Linanthus aureus subsp. aureus R. G. Swinney 2011-4-20 14439 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
  RSA0091731  Descurainia pinnata R. G. Swinney 2011-5-12 14674 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
  RSA0091743  Nemophila pedunculata R. G. Swinney 2011-5-26 14847 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
  RSA0091747  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-5-26 14860 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
  RSA0091749  Acer macrophyllum R. G. Swinney 2011-3-22 14194 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA0091777  Anagallis arvensis R. G. Swinney 2011-4-9 14360 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
  RSA0091779  Rhus ovata R. G. Swinney 2011-4-9 14358 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
  RSA0091791  Corethrogyne filaginifolia R. G. Swinney 2011-11-1 15950 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0091983  Juncus macrophyllus R. G. Swinney 2011-10-10 15721 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
  RSA0091987  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-7-7 15425 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0091989  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-7-7 15439 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0092152  Chenopodium berlandieri R. G. Swinney 2011-9-22 15669 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA0092160  Keckiella ternata subsp. ternata R. G. Swinney 2011-9-22 15683 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
  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
  RSA0092230  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
  RSA0092234  Phacelia ramosissima R. G. Swinney 2011-5-12 14681 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
  RSA0092235  Solanum umbelliferum R. G. Swinney 2010-5-25 12953 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 jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0092264  Juniperus californica R. G. Swinney 2010-6-1 13078 Los Angeles San Gabriel Mountains: Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA0092265  Pycnanthemum californicum R. G. Swinney 2010-9-13 13817 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
  RSA0092458  Eriodictyon parryi R. G. Swinney 2011-5-31 14913 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0092461  Rhus ovata R. G. Swinney 2011-11-3 15994 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA0092501  Cryptantha muricata R. G. Swinney 2011-6-22 15246 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
  RSA0092527  Dichelostemma capitatum R. G. Swinney 2011-6-22 15243 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
  RSA0092529  Polystichum imbricans subsp. curtum R. G. Swinney 2011-7-7 15467 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area. 1098 Comment
  RSA0092532  Arabis sparsiflora R. G. Swinney 2011-6-22 15248 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
  RSA0092550  Penstemon spectabilis var. subviscosus Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14320 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madres, 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
  RSA0092555  Cryptantha intermedia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14322 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA0093051  Selaginella bigelovii Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14347 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  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
  RSA0094088  Rhamnus ilicifolia Richard G. Swinney 2011-11-3 15997 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA0094179  Scirpus microcarpus R. G. Swinney 2011-10-13 15798 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 1622 Comment
  RSA0094355  Descurainia pinnata Richard G. Swinney 2011-5-31 14916 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
  RSA0094362  Salvia columbariae R. G. Swinney 2011-5-31 14904 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
  RSA0094392  Mentzelia veatchiana Richard 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. 1096 Comment
  RSA0094551  Galium porrigens Richard G. Swinney 2011-6-6 15004 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0094721  Aspidotis californica R. G. Swinney, Cody Clarke, 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
  RSA0095252  Erodium cicutarium R. G. Swinney 2011-5-6 14583 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA0095260  Ribes malvaceum var. viridifolium R. G. Swinney 2011-5-6 14592 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA0096624  Solanum umbelliferum R. G. Swinney 2011-6-22 15261 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
  RSA0096625  Elymus X hansenii R. G. Swinney 2011-6-22 15251 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
  RSA0096806  Agrostis exarata R. G. Swinney 2011-10-10 15724 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA0096980  Cryptantha muricata var. denticulata Richard G. Swinney 2011-5-31 14907 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
  RSA0096984  Gilia Richard G. Swinney 2011-5-31 14890 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
Read comments
Dec 7 2018
  RSA0097146  Sambucus nigra subsp. caerulea R. G. Swinney 2011-5-31 14912 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
  RSA0097176  Bromus hallii R. G. Swinney 2011-6-1 14980 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA0097609  Quercus X grandidentata R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14354 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 268 Comment
  RSA0097612  Quercus engelmannii R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14351 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
  RSA0097771  Salvia columbariae R. G. Swinney 2011-5-6 14601 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
  RSA0098370  Trifolium variegatum R. G. Swinney 2011-6-6 14997 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA0098375  Lotus strigosus R. G. Swinney 2011-6-14 15123 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0098638  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-11 12699 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
  RSA0098764  Gilia capitata subsp. abrotanifolia R. G. Swinney 2011-4-26 14501 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
  RSA0098765  Cryptantha muricata var. denticulata R. G. Swinney 2011-5-6 14598 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA0098786  Apocynum cannabinum R. G. Swinney 2011-6-1 14936 B Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA0098790  Juncus bufonius var. bufonius R. G. Swinney 2011-6-1 14939 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA0098831  Camissoniopsis hirtella R. G. Swinney 2011-4-26 14476 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
  RSA0099411  Boechera repanda R. G. Swinney 2011-8-5 15591 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
  RSA0101278  Hesperoyucca whipplei R. G. Swinney 2011-6-22 15264 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
  RSA0101281  Lonicera subspicata var. denudata R. G. Swinney 2011-6-22 15258 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
  RSA0102538  Smilacina stellata Richard G. Swinney 2010-9-30 13898 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
  RSA0103341  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2011-10-25 15852 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
  RSA0103371  Bromus carinatus R. G. Swinney 2011-5-19 14760 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Milley's Apple Orchard'? 912 Comment
  RSA0103650  Potentilla glandulosa subsp. reflexa R. G. Swinney 2011-9-27 15694 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
  RSA0103791  Stipa pulchra R. G. Swinney 2011-4-20 14455 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
  RSA0104645  Rhamnus ilicifolia R. G. Swinney 2011-6-14 15150 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
  RSA0104906  Cryptantha muricata var. denticulata R. G. Swinney 2011-10-18 15842 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
  RSA0104993  Sanicula crassicaulis R. G. Swinney 2011-3-18 14145 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA0104999  Ericameria nauseosa subsp. consimilis R. G. Swinney 2011-10-25 15864 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
  RSA0105006  Poa howellii R. G. Swinney 2011-5-19 14770 B Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  RSA0105011  Scutellaria siphocampyloides R. G. Swinney 2011-6-23 15298 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA0105033  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-4-26 14493 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
  RSA0105037  Dryopteris arguta R. G. Swinney 2011-10-18 15805 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
  RSA0105039  Mimulus guttatus R. G. Swinney 2011-4-26 14471 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA0105041  Mimulus brevipes R. G. Swinney 2011-4-26 14469 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  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
  RSA0105161  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
  RSA0105213  Lobelia dunnii var. serrata R. G. Swinney 2011-10-27 15933 Los Angeles San Gabriel Mountains: 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Cyn. and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway. 634 Comment
  RSA0105217  Madia minima R. G. Swinney 2011-6-7 15043 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
  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
  RSA0105490  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
  RSA0105494  Ehrharta erecta R. G. Swinney 2011-11-3 15980 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
  RSA0105495  Polygonum hydropiperoides R. G. Swinney 2011-11-3 15979 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
  RSA0105970  Elymus elymoides subsp. elymoides R. G. Swinney 2011-7-8 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. 1171 Comment
  RSA0105974  Orobanche fasciculata R. G. Swinney 2011-7-8 15499 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  RSA0105975  Eriodictyon parryi R. G. Swinney 2011-7-8 15502 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  RSA0105982  Artemisia dracunculus R. G. Swinney 2011-7-8 15472 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak. 1207 Comment
  RSA0106116  Galium aparine R. G. Swinney 2011-3-15 14072 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA0106487  Frangula californica subsp. cuspidata R. G. Swinney 2011-10-18 15825 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
  RSA0106489  Melica imperfecta R. G. Swinney 2011-3-18 14159 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA0106498  Phacelia ramosissima R. G. Swinney 2011-10-18 15834 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
  RSA0106508  Chenopodium fremontii R. G. Swinney 2011-7-29 15577 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 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
  RSA0106737  Rafinesquia californica R. G. Swinney 2011-5-19 14766 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  RSA0106741  Delphinium patens subsp. hepaticoideum R. G. Swinney 2011-5-3 14566 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA0106771  Silene lemmonii R. G. Swinney 2011-5-19 14784 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
  RSA0106828  Mimulus moschatus R. G. Swinney 2011-6-15 15195 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA0106840  Orobanche fasciculata Richard G. Swinney 2011-5-10 14636 Los Angeles San Gabriel Mountains: Angeles natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  RSA0106844  Ericameria parishii R. G. Swinney 2011-10-18 15845 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
  RSA0106845  Bromus hordeaceus R. G. Swinney 2011-5-10 14632 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  RSA0107283  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-5-10 14644 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  RSA0107432  Quercus X grandidentata Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14354 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead. 268 Comment
  RSA0107648  Eleocharis macrostachya R. G. Swinney 2011-6-23 15297 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA0107653  Equisetum laevigatum R. G. Swinney 2011-6-23 15314 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
  RSA0107657  Mimulus brevipes R. G. Swinney 2011-6-14 15154 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
  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
  RSA0108830  Pectocarya setosa R. G. Swinney 2010-5-21 12895 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
  RSA0108834  Gilia R. G. Swinney 2010-5-21 12887 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
  RSA0108835  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. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA0108886  Pinus monophylla R. G. Swinney 2010-5-21 12879 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
  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
  RSA0108894  Galium angustifolium Richard G. Swinney 2010-8-11 13508 Los Angeles San Gabriel Mountains: San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/service road. 595 Comment
  RSA0108895  Juniperus californica Richard G. Swinney 2011-4-1 14318 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mi south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0110202  Microseris lindleyi Richard G. Swinney 2011-5-16 14730 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
  RSA0110504  Salix exigua R. G. Swinney 2010-6-1 13143 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
  RSA0110538  Mimulus pilosus R. G. Swinney 2010-6-1 13139 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
  RSA0110583  Collinsia torreyi var. torreyi R. G. Swinney 2011-7-29 15554 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0110587  Pedicularis semibarbata R. G. Swinney 2011-8-5 15590 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
  RSA0110589  Solanum douglasii Richard G. Swinney 2010-6-8 13239 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
  RSA0110784  Salvia columbariae Richard G. Swinney 2010-5-21 12901 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
  RSA0110785  Galium johnstonii Richard G. Swinney 2011-5-16 14752 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. and FS Rd. 3N19 (along Big Tujunga Cyn.), c. 450 ENE of lodge in center of camp. 1375 Comment
  RSA0110848  Lupinus excubitus var. hallii R. G. Swinney 2011-5-6 14608 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
  RSA0110914  Trichostema parishii R. G. Swinney 2011-6-7 15078 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
  RSA0110915  Penstemon centranthifolius R. G. Swinney 2011-6-7 15080 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
  RSA0110928  Festuca microstachys R. G. Swinney 2011-6-7 15075 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0111923  Tauschia parishii R. G. Swinney 2011-5-19 14785 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek. 1073 Comment
  RSA0111946  Pectocarya setosa Richard G. Swinney 2011-4-19 14402 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
  RSA0111950  Bromus tectorum Richard G. Swinney 2011-4-19 14411 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
  RSA0112022  Phacelia brachyloba Richard G. Swinney 2011-5-16 14720 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
  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
  RSA0114718  Erigeron canadensis R. G. Swinney 2011-10-25 15887 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
  RSA0114807  Nicotiana glauca Richard G. Swinney 2011-10-25 15894 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39. 1006 Comment
  RSA0114809  Quercus agrifolia var. agrifolia R. G. Swinney 2011-10-25 15883 Los Angeles San Gabriel Mountains; south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  RSA0114812  Calystegia macrostegia subsp. arida R. G. Swinney 2011-5-6 14622 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
  RSA0114884  Mimulus aurantiacus var. pubescens R. G. Swinney 2011-4-26 14510 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
  RSA0114885  Silybum marianum R. G. Swinney 2011-4-26 14509 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
  RSA0114939  Cystopteris fragilis R. G. Swinney 2011-6-15 15182 Los Angeles San Gabriel Mountains; Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA0115258  Cryptantha intermedia Richard G. Swinney 2010-5-25 12941 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0115261  Eriogonum gracile var. gracile Richard G. Swinney 2010-10-5 13959 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA0115273  Eragrostis mexicana Richard G. Swinney 2011-9-22 15664 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA0115408  Abies concolor R. G. Swinney 2010-9-23 13891 Los Angeles San Gabriel Mountains; summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA0115452  Ehrharta calycina R. G. Swinney 2010-5-25 12909 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0115780  Lotus scoparius subsp. scoparius R. G. Swinney 2011-3-29 14260 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
  RSA0115956  Juncus macrophyllus Richard G. Swinney 2008-10-10 9573 Los Angeles San Gabriel Mtns.: Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA0116116  Heteromeles arbutifolia R. G. Swinney 2010-8-23 13569 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA0116123  Astragalus douglasii R. G. Swinney 2010-6-1 13165 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
  RSA0116176  Eriogonum davidsonii R. G. Swinney 2011-6-15 15201 Los Angeles San Gabriel Mountains; SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail. 1622 Comment
  RSA0116192  Phoradendron tomentosum subsp. tomentosum R. G. Swinney 2011-10-13 15804 Los Angeles San Gabriel Mountains; Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2. 1622 Comment
  RSA0116451  Polycarpon tetraphyllum R. G. Swinney 2010-8-11 13500 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA0116483  Camissoniopsis R. G. Swinney 2010-5-25 12948 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116487  Opuntia basilaris R. G. Swinney 2010-6-1 13087 D Los Angeles San Gabriel Mountains; Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  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
  RSA0116793  Mimulus guttatus R. G. Swinney 2010-5-25 12930 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116797  Rumex crispus Richard G. Swinney 2010-5-25 12935 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116799  Rubus ursinus R. G. Swinney 2010-5-25 12919 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116810  Cirsium occidentale R. G. Swinney 2011-6-7 15098 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
  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
  RSA0116845  Corethrogyne filaginifolia R. G. Swinney 2010-10-5 13970 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA0119518  Phacelia R. G. Swinney 2014-4-23 16169 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
  RSA0119520  Allophyllum divaricatum R. G. Swinney 2014-5-19 16555 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
  RSA0119673  Malacothrix glabrata R. G. Swinney 2014-4-30 16262 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
  RSA0119762  Funastrum cynanchoides var. hartwegii R. G. Swinney 2014-5-27 16648 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA0119792  Pectocarya setosa R. G. Swinney 2014-4-30 16291 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
  RSA0119800  Calochortus plummerae R. G. Swinney 2014-5-21 16618 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  RSA0119952  Eucrypta chrysanthemifolia var. chrysanthemifolia R. G. Swinney 2014-5-21 16627 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  RSA0120023  Pectocarya penicillata R. G. Swinney 2014-4-30 16292 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
  RSA0120027  Mirabilis laevis var. villosa R. G. Swinney 2014-4-30 16298 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
  RSA0120029  Lupinus bicolor R. G. Swinney 2014-5-15 16522 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
  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
  RSA0121933  Thysanocarpus desertorum R. G. Swinney 1998-4-14 5972 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
  RSA0122860  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2001-6-2 7964 Los Angeles Mojave Desert: Juniper Hills area, plateau on east side of Cruthers Creek, 1.3 mi. south of Devils Punchbowl Rd. 1402 Comment
  RSA0122865  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2009-6-17 11180 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA0126887  Camissonia pallida Richard G. Swinney 2014-5-1 16320 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1341 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
  RSA0129468  Boechera pulchra R. G. Swinney 2008-5-2 8731 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA205580  Microseris lindleyi R. G. Swinney 2008-5-12 8836 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA574342  Microseris lindleyi R. G. Swinney 1994-5-7 2826 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  RSA575102  Malacothamnus fremontii R. G. Swinney 1994-6-12 2937 Los Angeles Ca. 1.7 mi. N of jct of Hwy 138 & Soledad Rd, just W of San Bernardino County line/ Approx. 150 m W of Boneyard Canyon. 1311 Comment
  RSA575547  Pectocarya setosa R. G. Swinney 1994-6-12 2933 Los Angeles Ca. 1.7 mi. N of jct of Hwy 138 & Soledad Rd, just W of San Bernardino County line/ Approx. 150 m W of Boneyard Canyon. 1311 Comment
  RSA584443  Carex phaeocephala R. G. Swinney 1992-7-10 1854 Los Angeles Boundary between Los Angeles and San Bernardino. San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  RSA596451  Lotus salsuginosus var. salsuginosus R. G. Swinney 1969-12-5 417 Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. 0.6 mi. N of Sierra Madre Ave. on N Pennsylvania Ave. 365 Comment
  RSA598262  Erodium cicutarium R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Disturbed area on Big Dalton Canyon Road, 0.9 mi. E of Glendora Mtn. Rd. 427 Comment
  RSA598274  Marah macrocarpa var. macrocarpa R. G. Swinney 1989-11-24 1473 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road. 442 Comment
  RSA598277  Ricinus communis R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. 0.4 mi. E of Glendora Mtn. Rd. 365 Comment
  RSA598806  Umbellularia californica R. G. Swinney 1989-11-24 1489 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 442 Comment
  RSA598809  Lobularia maritima R. G. Swinney 1989-11-24 1474 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 442 Comment
  RSA598811  Stellaria media R. G. Swinney 1989-11-24 1471 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 442 Comment
  RSA598817  Quercus durata var. gabrielensis R. G. Swinney 1967-8-14 202 Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon 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
  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
  RSA717957  Stephanomeria virgata subsp. virgata R. G. Swinney, Dave Larson 1996-8-7 5250 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
  RSA718057  Arctostaphylos pungens R. G. Swinney 1997-8-19 5814 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 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
  RSA718265  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  RSA718283  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney, Dave W. Larson 1996-7-17 5139 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA718286  Erigeron breweri var. covillei R. G. Swinney, Dave W. Larson 1996-7-17 5131 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA718289  Camissonia strigulosa R. G. Swinney, Dave Larson 1996-7-17 5126 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA719024  Pectocarya penicillata R. G. Swinney 1998-4-14 5978 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
  RSA719027  Lomatium mohavense R. G. Swinney 1998-4-14 5975 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
  RSA719058  Ceanothus oliganthus var. oliganthus R. G. Swinney 1998-4-13 5957 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  RSA719115  Pterospora andromedea R. G. Swinney 1997-8-6 5759 Los Angeles Table Mountain area, Jesus Canyon west of road 4N47, NW of Wrightwood. 1905 Comment
  RSA719585  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1997-7-22 5718 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
  RSA719634  Encelia farinosa R. G. Swinney 1998-2-16 5897 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  RSA719637  Lithophragma affine R. G. Swinney 1998-3-14 5909 Los Angeles Evey Canyon, ca. 0.75 mi. W of Mt. Baldy Rd., ca. 0.3 mi. NE of Potato Mtn. 793 Comment
  RSA719742  Solidago californica R. G. Swinney 1996-8-7 5228 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  RSA719751  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 the Browns Flat. 1320 Comment
  RSA719754  Bromus tectorum R. G. Swinney, Dave Larson 1996-7-17 5151 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA719820  Dieteria canescens var. canescens R. G. Swinney 1997-7-14 5679 Los Angeles West of Wrightwood, Table Mtn. area, approx. 100 m NW of amphitheater and Table Mtn. Campground. 2207 Comment
  RSA719926  Cardamine oligosperma R. G. Swinney 1998-2-16 5899 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  RSA719929  Quercus X grandidentata R. G. Swinney 1997-9-27 5882 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam. 488 Comment
  RSA719930  Thelypteris puberula var. sonorensis R. G. Swinney 1997-10-18 5883 Los Angeles Harrow Canyon above Gelndora c. 0.25 mi. N of Harrow Canyon Debris Basin 488 Comment
  RSA720484  Trifolium wormskioldii R. G. Swinney 1997-8-6 5777 Los Angeles along Hwy 2 0.5 mi W of Big Pines (road junction) E of Jackson Lake 2024 Comment
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Mar 27 2014
  RSA720487  Erigeron divergens R. G. Swinney 1997-8-6 5781 Los Angeles along Hwy 2 0.5 mi W of Big Pines (road junction) E of Jackson Lake 2024 Comment
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Mar 27 2014
  RSA720601  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 1997-7-23 5733 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area. 2256 Comment
  RSA720607  Agrostis exarata R. G. Swinney 1997-7-23 5730 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area 2256 Comment
  RSA721303  Plantago erecta R. G. Swinney 1998-4-11 5935 Los Angeles San Gabriel Mts. Claremont, 0.5-1 mi NE of Padua Hills Restaurant, which is on Padua Dr. 768 Comment
  RSA721487  Stellaria nitens R. G. Swinney 1995-4-4 3478 Los Angeles Glendora. Ridge overlooking S end of Mystic Canyon at Big Dalton Canyon. 451 Comment
  RSA721510  Salix exigua R. G. Swinney 1995-4-1 3427 Los Angeles San Antonio Canyon Road, W side of road at Baldy School, just W of the San Bernardino Co. line. 1232 Comment
  RSA725835  Dactylis glomerata R. G. Swinney 1997-6-25 5655 Los Angeles San Gabriel Mtns.: west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  RSA725843  Maianthemum stellatum Richard G. Swinney 1997-7-16 5667 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  RSA725846  Castilleja plagiotoma R. G. Swinney 1997-6-25 5644 Los Angeles San Gabrial Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  RSA725849  Sphenosciadium capitellatum R. G. Swinney 1997-7-16 5658 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  RSA725850  Lilium parryi Richard G. Swinney 1997-7-16 5659 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  RSA726033  Erigeron foliosus var. foliosus R. G. Swinney 1997-7-14 5676 Los Angeles West of Wrightwood, Table Mtn. area, approx. 100 m NW of amphitheater and Table Mtn. Campground. 2207 Comment
  RSA726045  Lupinus andersonii R. G. Swinney 1997-6-25 5643 Los Angeles San Gabriel Mountains: southwest of Wrightwood, Blue Ridge ca. 0.5 mi. W of Guffy Camp, Forest Service Rd. 3N06, ca. 5.1 miles east of Hwy 2. 2518 Comment
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May 3 2010
  RSA726062  Lupinus latifolius var. latifolius R. G. Swinney 1997-6-19 5629 Los Angeles San Gabriel Mtns.: Big Pines at junction of Big Pines Hwy and Hwy 2 (Angeles Crest), west of Wrightwood 2088 Comment
  RSA727245  Mimulus fremontii R. G. Swinney 1998-6-12 6191 Los Angeles NW of Jackson Lake at Ball Flat, 0.3 mi north of Big Pines Hwy on 4N16, Ball Flats Rd. 1866 Comment
  RSA727271  Adiantum capillus-veneris R. G. Swinney 1998-5-30 6154 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA727274  Clarkia epilobioides R. G. Swinney 1998-5-25 6146 Los Angeles San Gabriel Valley; Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
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Mar 14 2013
  RSA727366  Pectocarya setosa R. G. Swinney 1998-5-16 6074 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1305 Comment
  RSA727369  Eriogonum pusillum R. G. Swinney 1998-5-16 6071 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA727370  Chorizanthe watsonii R. G. Swinney 1998-5-16 6075 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA727536  Claytonia parviflora subsp. utahensis R. G. Swinney 1998-5-16 6086 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
  RSA727616  Fraxinus dipetala R. G. Swinney 1998-4-15 6018 Los Angeles San Gabriel Mountains: bottom of Evey Canyon, 0.7 mi. west of San Antonio Canyon Rd. 793 Comment
  RSA729093  Phacelia distans R. G. Swinney 1999-6-28 7461 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, south of Mescal highlands Rd. 1506 Comment
  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
  RSA729099  Monardella linoides R. G. Swinney 1999-7-5 7503 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
  RSA729102  Carex senta R. G. Swinney 1999-7-5 7497 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
  RSA729198  Chenopodium fremontii R. G. Swinney 1998-7-10 6373 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  RSA729299  Lomatium nevadense R. G. Swinney 1998-7-2 6206 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729308  Pinus monophylla R. G. Swinney 1998-7-2 6223 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729315  Penstemon speciosus R. G. Swinney 1998-7-2 6205 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729340  Mimulus guttatus R. G. Swinney, D. W. Larson 1999-6-25 7398 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
  RSA729356  Lilium humboldtii Richard G. Swinney 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 1159 Comment
  RSA729359  Elymus stebbinsii R. G. Swinney 1998-7-27 6503 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 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
  RSA729384  Apocynum androsaemifolium R. G. Swinney 1998-6-21 6461 Los Angeles Upper Fish Fork drainage, c. 200 m east of Little Fish Fork Campground. 2049 Comment
  RSA729387  Thinopyrum ponticum R. G. Swinney 1998-6-27 6506 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA729392  Mimulus johnstonii R. G. Swinney 1998-7-14 6459 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 Comment
  RSA729403  Adiantum aleuticum R. G. Swinney 1998-10-3 7008 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 2012 Comment
  RSA729406  Lilium parryi Richard G. Swinney 1998-10-3 7005 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1/2 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
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Nov 7 2015
  RSA729409  Adiantum jordanii R. G. Swinney 1999-4-9 7083 Los Angeles San Gabriel Mtns.: Mouth of Peacock Canyon, at conlfuence with Cattle Canyon 640 Comment
  RSA729411  Drymocallis glandulosa var. glandulosa R. G. Swinney 1998-10-3 6997 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
  RSA729414  Parnassia cirrata var. cirrata R. G. Swinney 1998-10-3 6994 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
  RSA729417  Chaenactis glabriuscula R. G. Swinney 1998-6-12 6956 Los Angeles NW of Jackson Lake at Ball Flat, 0.7 mi north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  RSA729421  Boykinia rotundifolia R. G. Swinney 1998-8-21 6786 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  RSA729424  Aquilegia formosa R. G. Swinney 1998-7-14 6429 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
  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
  RSA729458  Lotus crassifolius var. crassifolius R. G. Swinney 1998-7-8 6321 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA729463  Cryptantha echinella R. G. Swinney 1998-7-8 6335 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA729485  Eriogonum pusillum R. G. Swinney 1999-6-21 7367 Los Angeles Big John Flat. Flat area with coarse sandy granitic gravel. 1622 Comment
  RSA729538  Claytonia perfoliata R. G. Swinney 1998-6-16 6974 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Cnyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  RSA729541  Arctostaphylos patula R. G. Swinney 1998-6-16 6991 Los Angeles San Gabriel Mtns; summit of Lookout (Antonio) Mountain. 2070 Comment
  RSA729544  Ribes cereum var. cereum R. G. Swinney 1998-9-4 6898 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  RSA729547  Adiantum capillus-veneris R. G. Swinney 1999-7-14 7559 Los Angeles San Gabriel Mtns.: Eask Fork San Gabriel River Canyon, c. 0.25 mi. north of Laurel Gulch. 713 Comment
  RSA729575  Gamochaeta pensylvanica R. G. Swinney, D. W. Larson 1999-5-15 7164 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  RSA729580  Cryptantha decipiens R. G. Swinney 1999-4-5 7059 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
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Jan 12 2019
  RSA729651  Pedicularis semibarbata R. G. Swinney 1998-7-2 6249 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729657  Lupinus excubitus var. austromontanus R. G. Swinney 1998-6-16 6980 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  RSA729665  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-2 6255 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729686  Ribes indecorum R. G. Swinney 1999-4-8 7069 Los Angeles Claremont, north of Via Santa Catarina and Mountain Ave. 488 Comment
  RSA729689  Sarcodes sanguinea R. G. Swinney 1998-8-31 6864 Los Angeles San Antonio Ridge, 1.1 mi. west of Baldy, east of saddle. West-facing slope. 2415 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
  RSA729731  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
  RSA729734  Gilia capitata subsp. abrotanifolia R. G. Swinney 1998-6-16 6979 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  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
  RSA729760  Ceanothus oliganthus R. G. Swinney 1998-8-10 6728 Los Angeles San Gabriel Mtns.: Cattle Canyon, west of (downstream from) Thompson Flat. 671 Comment
  RSA729773  Juniperus occidentalis var. australis R. G. Swinney 1999-8-9 7601 Los Angeles eastern end of Big Horn Ridge, SW of Mt. San Antonio. Ridge top; montane coniferous forest. 2793 Comment
  RSA729776  Elymus glaucus R. G. Swinney 1998-7-6 6294 Los Angeles San Gabriel Mtns.: Mescal Canyon, 1.9 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  RSA729779  Lewisia rediviva R. G. Swinney 1998-7-6 6295 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
  RSA729825  Lotus grandiflorus var. grandiflorus R. G. Swinney 1998-7-2 6268 Los Angeles San Gabriel Mtns.: north of Table Mountain, Wrightwood area, 1.9 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1890 Comment
  RSA729840  Horkelia rydbergii R. G. Swinney 1999-6-18 7340 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  RSA729853  Pinus contorta var. murrayana R. G. Swinney 1998-8-27 6824 Los Angeles West Baldy Peak. 3018 Comment
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Mar 23 2010
  RSA729868  Chaenactis xantiana R. G. Swinney 1999-6-5 7262 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
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Nov 27 2016
  RSA729884  Polypogon viridis R. G. Swinney 1998-8-28 6841 Los Angeles San Gabriel Mtns.: Stoddard Canyon at 'Stoddard Falls' 915 Comment
  RSA729887  Stachys albens R. G. Swinney 1998-8-28 6848 Los Angeles San Gabriel Mtns.: Stoddard Canyon at Stoddard Falls 915 Comment
  RSA729892  Muhlenbergia californica R. G. Swinney 1998-8-30 6860 Los Angeles South fork of Dry Lake Canyon, a western tributary of San Antonio Canyon. 985 Comment
  RSA729935  Leptosiphon breviculus R. G. Swinney 1999-6-28 7435 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek Cny. Rd. 1402 Comment
  RSA729943  Salix lasiolepis R. G. Swinney 1999-6-18 7299 Los Angeles Big John Flat, SE end along canyon bottom of east of fork of Boulder Canyon. 1732 Comment
  RSA729946  Salix lasiolepis R. G. Swinney 1999-6-28 7431 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek County Rd. 1402 Comment
  RSA729949  Tetradymia axillaris var. longispina R. G. Swinney 1999-5-8 7129 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
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Apr 15 2009
  RSA730075  Gilia modocensis R. G. Swinney 1999-5-22 7189 Los Angeles East fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA730080  Gilia leptantha subsp. transversa R. G. Swinney 1999-6-5 7257 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA730174  Penstemon labrosus R. G. Swinney 1998-9-4 6885 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  RSA730177  Artemisia tridentata R. G. Swinney 1998-9-4 6895 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06 2241 Comment
  RSA730280  Helenium bigelovii R. G. Swinney 1998-8-5 6635 Los Angeles San Gabriel Mtns.: Bear Gulch, 0.3 miles norht of confluene with Prairie Fork, SW of Wrightwood 1524 Comment
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Mar 7 2018
  RSA730293  Boschniakia strobilacea R. G. Swinney 1998-8-27 6812 Los Angeles San Gabriel mtns.: gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  RSA730299  Malacothamnus fremontii R. G. Swinney 1998-9-4 6919 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA730308  Tetradymia canescens R. G. Swinney 1998-9-4 6914 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA730315  Ribes cereum var. cereum R. G. Swinney 1998-9-4 6908 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA732767  Nassella lepida R. G. Swinney 2000-6-25 7792 Los Angeles Lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  RSA732847  Lotus scoparius var. brevialatus R. G. Swinney 2001-5-18 7935 Los Angeles Mojave Desert: Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy. 138. 1284 Comment
  RSA732852  Lonicera interrupta R. G. Swinney 2001-6-2 7960 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  RSA732918  Achnatherum occidentale subsp. occidentale R. G. Swinney 1999-8-16 7655 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope, 2445 Comment
  RSA732928  Chaenactis glabriuscula R. G. Swinney 2000-5-20 7695 Los Angeles NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch north of Hwy 39 610 Comment
  RSA732942  Minuartia nuttallii subsp. gracilis R. G. Swinney 1999-8-9 7607 Los Angeles East end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 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
  RSA733046  Clarkia rhomboidea R. G. Swinney 1998-7-10 6354 Los Angeles San Gabriel Mtns.: Prairie Fork, 300 m west of Cabin Flats Campground. 1598 Comment
  RSA733082  Guillenia lasiophylla R. G. Swinney 2001-4-18 7898 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  RSA733091  Calandrinia ciliata R. G. Swinney 2001-4-17 7873 Los Angeles Glendora, Morgan Canyon plateau 402 Comment
  RSA733122  Galium angustifolium subsp. gabrielense R. G. Swinney 1998-7-24 6571 Los Angeles San Gabriel Mtns.: upper Fish Fork of San Gabriel River. 1585 Comment
  RSA733131  Lactuca serriola R. G. Swinney 1998-8-1 6603 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
  RSA733134  Polypogon viridis R. G. Swinney 1998-8-1 6607 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
  RSA733173  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
  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
  RSA733278  Eriogonum nudum var. pauciflorum R. G. Swinney 2001-6-16 7967 Los Angeles San Gabriel Mtns.: Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons. 1951 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
  RSA733386  Ceanothus pauciflorus R. G. Swinney 2001-6-16 7984 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
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Aug 6 2013
  RSA733426  Calochortus albus Richard G. Swinney 2000-5-25 7784 Los Angeles San Gabriel Mnts.: Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon. 1000 Comment
  RSA733578  Boykinia rotundifolia R. G. Swinney 1998-7-29 6550 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground. 1817 Comment
  RSA733582  Equisetum laevigatum R. G. Swinney 1998-7-29 6524 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
  RSA733591  Hieracium albiflorum R. G. Swinney 1998-7-29 6543 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  RSA733668  Piperia Richard G. Swinney 1998-8-5 6640 Los Angeles San Gabriel Mtns.: Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 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
  RSA733745  Carex alma R. G. Swinney 1999-8-14 7621 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
  RSA733762  Epilobium canum subsp. latifolium R. G. Swinney 2000-6-19 7824 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA733771  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 abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  RSA733774  Lupinus latifolius var. parishii R. G. Swinney 1998-7-29 6531 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp. 2110 Comment
  RSA733777  Epipactis gigantea Richard G. Swinney 1998-7-29 6538 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
  RSA746412  Cistanthe monandra R. G. Swinney 2008-5-12 8825 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
  RSA746638  Lessingia glandulifera var. glandulifera R. G. Swinney 2008-6-4 8943 Los Angeles Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  RSA746641  Erysimum capitatum R. G. Swinney 2008-4-11 8657 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA746769  Medicago polymorpha R. G. Swinney 2008-4-17 8690 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA746770  Silybum marianum R. G. Swinney 2008-4-17 8679 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA746843  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  RSA746894  Nassella pulchra R. G. Swinney 2005-4-15 8214 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  RSA746897  Mirabilis laevis R. G. Swinney 2005-4-15 8217 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 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
  RSA746956  Chaenactis glabriuscula R. G. Swinney 2008-4-30 8710 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA746959  Rafinesquia californica R. G. Swinney 2008-4-30 8718 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA747005  Chaenactis glabriuscula R. G. Swinney 2005-4-9 8211 Los Angeles San Dimas, Sycamore Canyon 396 Comment
  RSA747042  Stellaria media R. G. Swinney 2008-4-16 8671 Los Angeles San Dimas, Spring Canyon 341 Comment
  RSA747054  Nasturtium officinale R. G. Swinney 2008-5-30 8884 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA747057  Urtica urens R. G. Swinney 2008-5-30 8880 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA747065  Gnaphalium californicum R. G. Swinney 2008-5-30 8898 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA747130  Anemopsis californica R. G. Swinney 2008-6-9 8974 Los Angeles mouth of Sandrock Creek, 0.26 mi. (air) south of Valyermo post office 1137 Comment
  RSA747228  Chorizanthe procumbens R. G. Swinney 2008-4-7 8618 Los Angeles San Gabriel Mtns. Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  RSA747289  Polygonum hydropiperoides R. G. Swinney 2008-5-30 8895 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA747335  Juncus balticus subsp. ater R. G. Swinney 2005-8-5 8389 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
  RSA747346  Pectocarya setosa R. G. Swinney 2008-5-8 8789 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
  RSA747349  Salix exigua R. G. Swinney 2008-5-8 8797 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
  RSA747400  Monardella breweri R. G. Swinney 2008-6-4 8944 Los Angeles Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  RSA747412  Stephanomeria parryi R. G. Swinney 2008-6-9 8963 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  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
  RSA747448  Galium angustifolium subsp. angustifolium R. G. Swinney 2005-5-14 8239 Los Angeles NE of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  RSA747460  Ceanothus leucodermis R. G. Swinney 2008-4-1 8600 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora. 671 Comment
  RSA747551  Lotus humistratus R. G. Swinney 2008-4-17 8687 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA747554  Lupinus truncatus R. G. Swinney 2008-4-11 8666 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA747583  Phacelia longipes R. G. Swinney 2005-8-22 8518 Los Angeles San Gabriel Mountains: Devil s Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  RSA747675  Chrysothamnus nauseosus subsp. mohavensis R. G. Swinney 2001-9-15 8153 Los Angeles San Gabriel Mountains: Mt Islip. 2512 Comment
  RSA747680  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-27 8102 Los Angeles San Gabriel Mountains: Mt. Burnham, west of Mt. Baden-Powell. 2740 Comment
  RSA747981  Schedonorus arundinaceus R. G. Swinney 2005-5-14 8232 Los Angeles San Gabriel Mtns. N of Juniper Hills, S of Pear Blossom, SE corner of Tejon Road and Longview Rd. (131st street). 1091 Comment
  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
  RSA748059  Chenopodium pratericola R. G. Swinney 2005-7-21 8329 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  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
  RSA748678  Funastrum cynanchoides var. hartwegii R. G. Swinney 2008-3-26 8578 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA748852  Nemophila menziesii R. G. Swinney 2008-4-11 8650 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA748893  Vulpia microstachys var. microstachys R. G. Swinney 2005-5-21 8256 Los Angeles west of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek 1241 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
  RSA748905  Galium aparine R. G. Swinney 2008-5-13 8852 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  RSA748918  Ribes cereum R. G. Swinney 2001-8-27 8095 Los Angeles Throop Peak, west of Mt. Baden-Powell. 2780 Comment
  RSA748990  Phacelia longipes R. G. Swinney 2008-5-13 8869 Los Angeles Devils Punchbowl Co. Park, South Fork Trail 0.7 mi. east of Holcomb Canyon 1512 Comment
  RSA749029  Penstemon centranthifolius R. G. Swinney 2008-5-5 8747 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA749030  Bromus tectorum R. G. Swinney 2008-5-5 8749 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA750100A  Erysimum capitatum R. G. Swinney 2008-5-5 8766 Los Angeles San Gabriel Mtns.: Big Rock Creek at Paradise Springs. 1427 Comment
  RSA750101  Lomatium mohavense R. G. Swinney 2008-5-5 8767 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA750104  Claytonia parviflora R. G. Swinney 2008-5-5 8778 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
  RSA750205  Cryptantha nevadensis var. rigida R. G. Swinney 2005-7-21 8311 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA750228  Rumex salicifolius R. G. Swinney 2005-7-21 8307 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
  RSA755453  Verbena lasiostachys R. G. Swinney 2008-10-7 9473 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 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
  RSA755574  Epilobium ciliatum R. G. Swinney 2008-9-9 9332 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA755577  Epilobium ciliatum R. G. Swinney 2008-7-13 9191 Los Angeles San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin. 762 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
  RSA755613  Juncus rugulosus R. G. Swinney 2008-9-9 9325 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA755616  Verbena bracteata R. G. Swinney 2008-9-9 9322 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA755626  Lupinus excubitus var. austromontanus R. G. Swinney 2008-7-15 9204 Los Angeles Winston Peak. 2275 Comment
  RSA755629  Tauschia parishii R. G. Swinney 2008-7-15 9215 Los Angeles San Gabriel Mountains: Winston Peak. 2275 Comment
  RSA755630  Oxytheca caryophylloides R. G. Swinney 2008-7-15 9213 Los Angeles Winston Peak. 2275 Comment
  RSA755806  Garrya veatchii R. G. Swinney 2009-1-19 10000 Los Angeles Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 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
  RSA755824  Alnus rhombifolia R. G. Swinney 2008-7-2 9110 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 1878 Comment
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Sep 21 2010
  RSA755827  Eriogonum heermannii R. G. Swinney 2008-10-7 9484 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA755858  Rhus integrifolia R. G. Swinney 2009-1-19 9998 Los Angeles 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
  RSA755869  Linanthus breviculus R. G. Swinney 2008-7-15 9195 Los Angeles Winston Peak. 2275 Comment
  RSA755870  Eriogonum davidsonii R. G. Swinney 2008-7-15 9194 Los Angeles Winston Peak. 2275 Comment
  RSA755885  Silene verecunda R. G. Swinney 2008-7-24 9290 Los Angeles San Gabriel Mtns.: Waterman Mountain. 2412 Comment
  RSA755900  Mimulus pilosus R. G. Swinney 2008-7-24 9293 Los Angeles Waterman Mountain 2412 Comment
  RSA756155  Juncus textilis R. G. Swinney 2008-7-12 9178 Los Angeles San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 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
  RSA756981  Galium johnstonii R. G. Swinney 2008-6-17 9057 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26. 2160 Comment
  RSA757054  Poa secunda R. G. Swinney 2008-6-17 9061 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  RSA757083  Eriogonum wrightii R. G. Swinney 2008-10-8 9514 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  RSA757086  Chenopodium fremontii R. G. Swinney 2008-10-8 9520 Los Angeles Ball Flat, north of Jackson Lake 1878 Comment
  RSA757709  Prunus virginiana R. G. Swinney 2008-6-18 9074 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  RSA757711  Monardella australis R. G. Swinney 2008-6-18 9071 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  RSA757714  Typha domingensis R. G. Swinney 2008-6-24 9080 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  RSA758707  Polypogon interruptus R. G. Swinney 2008-12-2 9914 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
  RSA758713  Lolium perenne R. G. Swinney 2008-12-2 9913 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
  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
  RSA758719  Cordylanthus nevinii R. G. Swinney 2008-10-8 9542 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA759007  Erigeron foliosus R. G. Swinney 2008-10-8 9529 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA760560  Camissonia bistorta R. G. Swinney 2009-3-6 10054 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
  RSA760606  Ambrosia acanthicarpa R. G. Swinney 2008-12-2 9927 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  RSA760609  Senecio flaccidus var. douglasii R. G. Swinney 2008-12-6 9976 Los Angeles Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA760611  Notholaena californica R. G. Swinney 2008-12-6 9966 Los Angeles Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA760855  Juncus rugulosus R. G. Swinney 2008-8-14 9433 Los Angeles South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  RSA760864  Veronica anagallis-aquatica R. G. Swinney 2008-12-4 9936 Los Angeles Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA761146  Mimulus pilosus R. G. Swinney 2008-10-10 9567 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761149  Epilobium densiflorum R. G. Swinney 2008-10-10 9562 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761150  Cordylanthus rigidus R. G. Swinney 2008-10-10 9561 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761775  Brickellia californica R. G. Swinney 2008-11-30 9871 Los Angeles Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  RSA762331  Rumex R. G. Swinney 2008-11-30 9860 Los Angeles Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  RSA762337  Epilobium ciliatum R. G. Swinney 2008-10-22 9664 Los Angeles Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  RSA762348  Veronica peregrina subsp. xalapensis R. G. Swinney 2009-3-6 10048 Los Angeles Azusa, east of Irwindale Ave. and north of I-210 Fwy 152 Comment
  RSA762360  Urtica urens R. G. Swinney 2009-3-13 10107 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
  RSA762449  Polypodium californicum R. G. Swinney 2009-2-20 10004 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA762450  Schismus barbatus R. G. Swinney 2009-2-20 10011 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA762497  Euphorbia maculata R. G. Swinney 2008-11-29 9846 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  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
  RSA762523  Carex athrostachya R. G. Swinney 2008-7-24 9346 Los Angeles Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA762645  Verbascum virgatum R. G. Swinney 2008-11-30 9887 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy. 165 Comment
  RSA762698  Trifolium variegatum R. G. Swinney 2008-7-24 9350 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
  RSA762715  Crassula tillaea R. G. Swinney 2009-2-20 10029 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel. 177 Comment
  RSA762879  Muhlenbergia rigens R. G. Swinney 2008-10-10 9572 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA763510  Pennisetum setaceum R. G. Swinney 2008-11-30 9885 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA764065  Carex alma R. G. Swinney 2008-8-13 9394 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  RSA771552  Bromus carinatus R. G. Swinney 2009-5-28 10952 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA771575  Triteleia lugens Richard G. Swinney 2009-6-2 11015 -B Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
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Jul 24 2018
  RSA771580  Lomatium nevadense R. G. Swinney 2009-5-6 10663 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA771593  Rhamnus ilicifolia R. G. Swinney 2009-6-2 11006 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA771596  Cercocarpus betuloides R. G. Swinney 2009-6-2 11003 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA771599  Cistanthe monandra R. G. Swinney 2009-5-13 10760 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  RSA771605  Pinus coulteri R. G. Swinney 2009-5-28 10973 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA771642  Prunus fasciculata var. fasciculata R. G. Swinney 2009-5-13 10795 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA771773  Galium hilendiae R. G. Swinney 2009-5-20 10828 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA771776  Phacelia cryptantha R. G. Swinney 2009-5-20 10818 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA771853  Pectocarya penicillata R. G. Swinney 2009-5-28 10922 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA772103  Rhamnus californica subsp. tomentella R. G. Swinney 2009-5-20 10850 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA772106  Eriophyllum confertiflorum R. G. Swinney 2009-5-20 10846 Los Angeles Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA772109  Malacothamnus fremontii R. G. Swinney 2009-5-20 10842 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA772111  Achnatherum hymenoides R. G. Swinney 2009-5-12 10740 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164?) of Littlerock 1061 Comment
  RSA772158  Juniperus californica R. G. Swinney 2009-5-20 10855 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA772163  Acamptopappus sphaerocephalus R. G. Swinney 2009-5-12 10741 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg ) of Littlerock 1061 Comment
  RSA772170  Lotus strigosus R. G. Swinney 2009-4-28 10558 Los Angeles summit of Mt. Emma. 1585 Comment
  RSA772281  Salvia apiana R. G. Swinney 2009-5-9 10703 Los Angeles Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 Comment
  RSA772284  Lomatium mohavense subsp. longilobum R. G. Swinney 2009-5-6 10654 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA772292  Lomatium mohavense R. G. Swinney 2009-4-28 10525 Los Angeles summit of Mt. Emma 1585 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
  RSA772393  Arabis pulchra var. pulchra R. G. Swinney 2009-5-12 10718 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
  RSA772396  Stephanomeria parryi R. G. Swinney 2009-5-12 10721 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  RSA772399  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-12 10726 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  RSA772420  Amsinckia tessellata R. G. Swinney 2009-5-12 10730 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  RSA773282  Melica imperfecta R. G. Swinney 2009-5-20 10814 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA773291  Eriogonum R. G. Swinney 2009-6-24 11272 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA773294  Adenostoma fasciculatum R. G. Swinney 2009-6-24 11279 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA773305  Hordeum brachyantherum R. G. Swinney 2009-6-3 11051 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773535  Loeseliastrum matthewsii R. G. Swinney 2009-4-29 10561 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA773543  Delphinium parishii R. G. Swinney 2009-4-29 10571 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA773608  Phacelia imbricata R. G. Swinney 2009-6-24 11277 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA773615  Gilia R. G. Swinney 2009-6-24 11241 Los Angeles summit of Granite Mountain 1988 Comment
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Dec 7 2018
  RSA773851  Chenopodium berlandieri R. G. Swinney 2009-8-19 11454 Los Angeles confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  RSA773854  Medicago sativa R. G. Swinney 2009-8-19 11458 Los Angeles Confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  RSA773857  Thinopyrum intermedium R. G. Swinney 2009-8-25 11468 Los Angeles west summit of Table Mountain, NE of Big Pines 2284 Comment
  RSA773975  Gayophytum R. G. Swinney 2009-7-29 11420 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA773980  Penstemon labrosus R. G. Swinney 2009-7-22 11311 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA773993  Ceanothus leucodermis R. G. Swinney 2009-3-16 10118 Los Angeles Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  RSA773996  Typha latifolia R. G. Swinney 2009-6-27 11285 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  RSA773999  Galium johnstonii R. G. Swinney 2009-7-22 11315 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA774058  Melica imperfecta R. G. Swinney 2009-6-12 11128 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  RSA774168  Rumex salicifolius R. G. Swinney 2009-7-22 11341 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
  RSA774258  Bromus rubens R. G. Swinney 2009-4-28 10545 Los Angeles summit of Mt. Emma 1585 Comment
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Mar 28 2014
  RSA774263  Chaenactis stevioides R. G. Swinney 2009-5-5 10649 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  RSA774266  Penstemon centranthifolius R. G. Swinney 2009-6-8 11087 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774269  Microseris lindleyi R. G. Swinney 2009-6-8 11091 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
  RSA774600  Pinus jeffreyi R. G. Swinney 2009-7-29 11429 Los Angeles Pacifico Mountain summit 2134 Comment
  RSA774622  Phoradendron pauciflorum R. G. Swinney 2009-7-29 11418 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA774742  Argemone munita R. G. Swinney 2009-6-17 11189 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA774789  Epilobium densiflorum R. G. Swinney 2009-7-23 11389 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774790  Potentilla glandulosa R. G. Swinney 2009-7-23 11390 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774802  Cordylanthus nevinii R. G. Swinney 2009-7-23 11398 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
  RSA774862  Tauschia parishii R. G. Swinney 2009-6-24 11250 Los Angeles Summit of Granite Mountain. 1988 Comment
  RSA774955  Gnaphalium californicum R. G. Swinney 2009-5-6 10686 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA774961  Lotus humistratus R. G. Swinney 2009-4-29 10591 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA776325  Encelia actoni R. G. Swinney 2009-4-29 10605 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA777881  Potentilla glandulosa R. G. Swinney 2009-6-8 11105 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779210  Trifolium monanthum R. G. Swinney 2009-6-8 11078 Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779453  Rhamnus californica R. G. Swinney 2009-6-17 11224 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA779995  Avena fatua R. G. Swinney 2009-4-7 10287 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA780003  Plantago indica R. G. Swinney 2009-4-7 10293 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA780006  Salvia columbariae R. G. Swinney 2009-4-7 10303 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA781009  Ceanothus greggii R. G. Swinney 2009-5-28 10963 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA781011  Eriastrum sapphirinum subsp. ambiguum R. G. Swinney 2009-5-13 10771 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  RSA781014  Mirabilis laevis R. G. Swinney 2009-5-13 10774 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
  RSA781820  Chenopodium R. G. Swinney 2009-8-25 11486 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782202  Lotus crassifolius R. G. Swinney 2009-8-25 11479 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782210  Melilotus officinalis R. G. Swinney 2009-8-25 11496 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA835400  Thysanocarpus laciniatus R. G. Swinney 2010-5-19 12827 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  SD197626  Ehrharta calycina R. G. Swinney 2008-3-26 8567 Los Angeles San Gabriel Mountains; San Dimas, Puddingstone Diversion Dam at mouth of San Dimas Canyon. 353 Comment
  SD197678  Erigeron foliosus R. G. Swinney 2005-8-11 8441 Los Angeles San Gabriel Mountains: Big Rock Creek at Paradise Springs. 1438 Comment
  SD197802  Phacelia distans R. G. Swinney 2008-5-2 8742 Los Angeles San Gabriel Mountains: Big Rock Creek at Paradise Springs, on campground property. 1470 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
  SD197837  Epilobium glaberrimum R. G. Swinney 2001-9-15 8180 Los Angeles San Gabriel Mountains: Little Jimmy Spring. 2256 Comment
  SD197852  Eriastrum densifolium subsp. elongatum R. G. Swinney 2005-8-22 8513 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  SD197875  Eriogonum davidsonii R. G. Swinney 2005-8-26 8525 Los Angeles Devil's Punchbowl County Park,peak 6374, ca. 0.5 mile southwest of Devil's Chair. 1933 Comment
  SD234440  Calochortus albus R. 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 (Glendora 7.5'Q) 609 Comment
  SD234538  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
  SD234875  Spergularia rubra R. G. Swinney 2000-5-21 7699 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, c. 300m SW of Rincon Rd. entrance and HWY 30, on plateau W of Rincon Rd. 548 Comment
  SD236388  Dodecatheon redolens R. G. Swinney 1998-7-14 6432 Los Angeles San Gabriel Mts.: Columbine Spring, north slope of Pine Mountain Ridge and Flowing into Rairie Fork, 0.3 mi. south Camp Lupine. 2195 Comment
  SD237287  Lomatium mohavense R. G. Swinney 1998-4-14 5975 Los Angeles San Gabriel Mtns. / Southern Mojave Desert: Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St., W of Mescal Crk. Canyon, Mescal Highlands. 1299 Comment
  SD237353  Wyethia ovata R. G. Swinney 2008-7-15 9229 Los Angeles San Gabriel Mtns.: Cloudburst Summit, north of Hwy 2 and west of Winston Peak trail. 2140 Comment
  SD237374  Pectocarya penicillata R. G. Swinney 2009-5-13 10770 Los Angeles Transverse Range; San Gabariel Mountains: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Road, immediately NW of Cima Mesa, Juniper Hills (Juniper Hills 7.5'Q) 1121 Comment
  SD237469  Phacelia distans R. G. Swinney 2009-5-28 10950 Los Angeles Transverse Range: San Gabriel Mountains: Sulphur Springs Campground, South Fork of Little Rock Creek (Waterman Mtn. 7.5'Q) 1584 Comment
  SD237476  Pholistoma membranaceum R. G. Swinney 2009-4-2 10251 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills/Western Mohave Desert: Bob's Gap, 3.2 miles S of Hwy 138 on E side of Bob's Gap Road (Valyermo 7.5'Q) 1223 Comment
  SD237525  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles San Gabriel Mtns.: Pinon Hills area, 0.7 miles west of 237 St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  SD237555  Gilia R. G. Swinney 2008-6-17 9047 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mile MW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 (Valyermo 7.5'Q) 2160 Comment
Read comments
Dec 7 2018
  SD237607  Lithophragma R. G. Swinney 2009-4-15 13041 Los Angeles Transverse Ranges: San Gabriel Mountains Foothills: north of Azusa, El Encanto Azusa River Wilderness Park (Azusa 7.5'Q) 295 Comment
  SD239637  Cryptantha echinella R. G. Swinney 2008-6-17 9029 Los Angeles San Gabriel Mountains: 2.3 miles north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway (Valyermo 7.5'Q) 1992 Comment
  SD239850  Eriogonum baileyi R. G. Swinney 2008-10-8 9523 Los Angeles San Gabriel Mtns.: Ball Flat, north of Jackson Lake. 1878 Comment
  SD239856  Eriogonum maculatum R. G. Swinney 2008-6-17 9020 Los Angeles San Gabriel Mountainss: 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  SD239911  Cordylanthus nevinii R. G. Swinney 2009-7-29 11426 Los Angeles Transverse Range; San Gabariel Mountains: Pacifico Mountain summit (Pacifico Mountain 7.5'Q) 2153 Comment
  SD240992  Acmispon maritimus R. G. Swinney 2009-3-31 10224 Los Angeles Transverse Range; San Gabriel Mountains: mouth of San Gabriel Canyon, 1.2 miles north of Foothill Blvd., Azusa/Duarte (Axusa 7.5'Q) 182 Comment
  SD247384  Cylindropuntia californica var. parkeri R. G. Swinney 2010-4-1 12170 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash. 331 Comment
  SD247461  Camissoniopsis micrantha R. G. Swinney 2010-3-11 11869 Los Angeles San Gabriel Mountins/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 (Sunland 7.5'Q) 348 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
  SD253328  Allium lacunosum var. davisiae R. G. Swinney 2011-6-7 15041 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road (Chilao Flat 7.5'Q) 1584 Comment
  SD253347  Stipa coronata R. G. Swinney 2010-4-13 12177 Los Angeles San Gabriel Mountains: 0.35 miles N of Limekiln Canyon bottom, along ridgeline motorway, S of Pacoima Dam, 0.4 mile E of Pacoima Canyon, stream bottom. (San Fernando 7.5'Q) 609 Comment
  SD253369  Baccharis salicifolia R. G. Swinney 2011-3-26 14213 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. 476 Comment
  SD253395  Pseudognaphalium californicum R. G. Swinney 2010-4-13 12190 Los Angeles San Gabriel Mts.: 0.35 miles north of Limekiln Canyon, bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles E of Pacoima Canyon stream bottom (San Fernando 7.5'Q) 609 Comment
  SD253423  Lobelia dunnii var. serrata R. G. Swinney 2011-10-27 15933 Los Angeles San Gabriel Mountains: 1.4 miles E (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Canyon and W Fork San Gabariel River, along West Fork National Scenic Bikeway (Azusa 7.5'Q) 633 Comment
  SD253445  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-31 14928 Los Angeles Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  SD253453  Lupinus latifolius subsp. latifolius R. G. Swinney 2011-6-23 15278 Los Angeles San Gabriel Mountains: Chileo Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 Comment
  SD253461  Quercus durata var. gabrielensis R. G. Swinney 2011-10-27 15908 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  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
  SD253497  Claytonia parviflora subsp. viridis R. G. Swinney 2011-5-19 14783 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of junction of Colby Ranch Road and FS Rd 3N19, upper Big Tujunga Canyon, south side of Coldwater Canyon creek (Chilao Flat 7.5'Q) 1073 Comment
  SD253507  Orobanche fasciculata R. G. Swinney 2011-5-19 14777 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of junction of Colby Ranch Road and FS Rd 3N19, upper Big Tujunga Canyon, between Colby Ranch Road and Coldwater Canyon stream, below abandoned Milley's Apple Orchard (Chilao Flat 7.5'Q) 911 Comment
  SD253514  Diplacus brevipes R. G. Swinney 2011-6-14 15154 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air mile SSW of the junction of Angeles Crest Highway & Charlton Flat entrance road. 1646 Comment
  SD253527  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-7 15449 Los Angeles San Gabriel Mountains: Colby Ranch, S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  SD253531  Persicaria hydropiperoides R. G. Swinney 2011-11-3 15979 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Fkirst Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 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
  SD253548  Galium porrigens R. G. Swinney 2011-5-3 14568 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road, Ecology Trail east of the Nature Center (Mint Canyon 7.5'Q) 487 Comment
  SD254520  Lomatium lucidum R. G. Swinney 2011-5-10 14646 Los Angeles San Gabriel Mountains: c. 0.4 mile NE of Manzanita Mt. along connection trail between Hillside Trail and Manzanita Mt. trail, inside Placerita Canyon Natural Area (Mint Canyon 7.5'Q) 500 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
  SD260153  Avena barbata R. G. Swinney 2010-5-19 12831 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd, just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy. 1349 Comment
  SD260180  Ericameria pinifolia R. G. Swinney 2011-10-27 15910 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. 648 Comment
  SD260292  Calyptridium monandrum R. G. Swinney 2010-5-19 12818 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill sumit, abandoned Naval Analytics Station, at end of Pacific Tel. Access Rd., just W of Angeles Natl.l Forest boundary, 2.05 air miles E of Angeles Forest Hwy., 0.8 miles W of Mt. Emma Rd. 1335 Comment
  SD262298  Phacelia grandiflora R. G. Swinney 2014-5-27 16691 Los Angeles San Gabriel Mountains: Glendora, Glendora Peak, 0.74 miles ENE (34a^z) of Azusa Pk., south of Glendora Ridge Motorway. Ridgetop in 2014 Colby burn. 790 Comment
  SD262304  Scutellaria mexicana R. G. Swinney 2014-4-17 16075 Los Angeles San Gabriel Mountains: SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy 138/Pearblossom Hwy (Palmdale 7.5'Q) 901 Comment
  SD262354  Eriogonum fasciculatum var. polifolium R. G. Swinney 2014-4-10 16060 Los Angeles San Gabriel Mountains: SW of Littlerock, north foot of mountains on desert slope, south side of CA Aquaduct 100-400 m east of Cheseboro Rd (Palmdale 7.5'Q) 901 Comment
  SDSU21017  Cryptantha oxygona R. G. Swinney 2009-4-29 10580 Los Angeles Transverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence (Palmdale 7.5' +/- 1000m; T5N R11W S22). Broad wash bottom, low adjacent relief; creosote bush scrub and Joshua tree woodland with Tetradymia glabrata, Juniperus californica, Ephedra nevadensis, Encelia actoni, Hymenoclea salsola, Salazaria mexicana, Yucca brevifolia, Larrea tridentata, Quercus john-tuckeri. 945 Comment
  SEINET13203247 Image available Mentzelia congesta R. G. Swinney 2011-1 14521 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
  SEINET13203252 Image available Dichelostemma capitatum R. G. Swinney 2011-1 145052 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
  SEINET13203271 Image available Elymus elymoides subsp. elymoides R. G. Swinney 2011-1 15487 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  SEINET13203276 Image available Fabaceae R. G. Swinney 2011-1 15892 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
  SEINET13203288 Image available Hordeum murinum subsp. leporinum R. G. Swinney 2011-1 15465 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area (Chilao Flat 7.5' Q.) (T3N R12W S35) 1097 Comment
  SEINET13276688 Image available Arabis sparsiflora R. G. Swinney 2011-1 15248 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
  SEINET13276776 Image available Dryopteris arguta R. G. Swinney 2011-1 15805 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 (Condor Peak 7.5' Q.) (T2N R12W) 1021 Comment
Read comments
Aug 24 2017
  SEINET13276779 Image available Pellaea andromedifolia R. G. Swinney 2011-1 14495 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
  SEINET13276792 Image available Mimulus guttatus R. G. Swinney 2011-1 14471 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13297601 Image available Ericameria nauseosa subsp. consimilis R. G. Swinney 2011-1 15794 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 (Chilao Flat 7.5' Q.) (T3N R11W S23) 1622 Comment
  SEINET13297606 Image available Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-1 12180 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 (San Fernando 7.5' Q.) (T3N R14W S19) 610 Comment
  SEINET13297609 Image available Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-1 15290 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5' Q.) (T3N R11W S22) 1570 Comment
  SEINET13297616 Image available Alnus rhombifolia R. G. Swinney 2011-1 14236 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. (Glendora 7.5' Q.) (T1N R9W S13) 475 Comment
  SEINET13297619 Image available Clematis ligusticifolia R. G. Swinney 2011-1 15937 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. (Azusa 7.5' Q.) 634 Comment
  SEINET13382508 Image available Eriogonum davidsonii R. G. Swinney 2011-1 14885 Los Angeles Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  SEINET13383118 Image available Phacelia distans R. G. Swinney 2010-1 12106 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  SEINET13383122 Image available Penstemon spectabilis R. G. Swinney 2010-1 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
  SEINET13383407 Image available Lupinus sparsiflorus R. G. Swinney 2010-1 11971 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 539 Comment
  SEINET13383956 Image available Eriogonum umbellatum var. munzii R. G. Swinney 2011-1 15303 B Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  SEINET13384129 Image available Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-1 15299 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  SEINET13387004 Image available Senecio flaccidus var. douglasii R. G. Swinney 2011-1 15689 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge (Chilao Flat 7.5' Q.) (T3N R12W S35) 1009 Comment
  SEINET13387005 Image available Keckiella ternata subsp. ternata R. G. Swinney 2011-1 15683 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  SEINET13387014 Image available Pellaea andromedifolia R. G. Swinney 2011-1 15956 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  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
  SEINET13387027 Image available Acer macrophyllum R. G. Swinney 2011-1 15946 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  SEINET13387034 Image available Mimulus pilosus R. G. Swinney 2011-1 15723 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
  SEINET13387050 Image available Festuca dertonensis R. G. Swinney 2011-1 14078 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  SEINET13387053 Image available Rhus ovata R. G. Swinney 2011-1 14083 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  SEINET13387118 Image available Rumex conglomeratus R. G. Swinney 2011-1 15412 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  SEINET13387122 Image available Stephanomeria virgata R. G. Swinney 2011-1 15421 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), south end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  SEINET1908720 Image available Agrostis R. G. Swinney 1999-1 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
  SEINET2473454 Image available Lamarckia aurea Richard G. Swinney 2009-1 10375 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills; Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 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
  SEINET2473476 Image available Festuca myuros Richard G. Swinney 2009-4-24 10476 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert; Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 960 Comment
  SEINET2473486 Image available Bromus rubens Richard G. Swinney 2009-1 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 1220 Comment
  SEINET3069314  Lupinus sparsiflorus Richard G. Swinney 2009-4-2 10269 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1223 Comment
  SEINET3098306 Image available Salvia dorrii Richard 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 (Valyermo 7.5 Q.) 1223 Comment
  SEINET3225750 Image available Lupinus sparsiflorus R. G. Swinney 2009-4-2 10269 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road (Valyermo 7.5' Q.). 1223 Comment
  SEINET3237844 Image available Apocynum androsaemifolium R. G. Swinney 1998-7-21 6461 Los Angeles San Gabriel Mtns.; upper Fish Fork drainage, c. 200 m east of Little Fish Fork Campground. 2049 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
  SEINET3245733  Argemone munita R. G. Swinney 2009-1 11189 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. (Valyermo 7.5') 1372 Comment
  SEINET3245805  Melia azedarach R. G. Swinney 2009-1 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 (Azusa 7.5') 171 Comment
  SEINET3245990  Salsola R. G. Swinney 2009-1 11493 Los Angeles Transverse Range; San Gabreil Mtns. : Big Pines Medow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. Mecal Creek. 628 Comment
  SEINET3245991  Mentha spicata R. G. Swinney 2009-1 11491 Los Angeles Transverse Range; San Gabriel Mtns. : Big Pines Medow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. Mescal Creek. North side of m 628 Comment
  SEINET3245993  Chenopodium R. G. Swinney 2009-1 11488 Los Angeles Transverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 628 Comment
  SEINET3245996  Hosackia crassifolia R. G. Swinney 2009-1 11479 Los Angeles Transverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. Mescal Creek. 628 Comment
  SEINET3246199  Viola purpurea R. G. Swinney 2008-1 8806 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. 1260 Comment
  SEINET3271567 Image available Crypsis schoenoides R. G. Swinney 2008-9-9 9321 Los Angeles San Gabriel Mtns. Little Rock Creek, 0.2 mi north of Little Rock Reservoir. 960 Comment
  SEINET3271577 Image available Stipa occidentalis R. G. Swinney 2008-7-24 9282 Los Angeles San Gabriel Mtns.; Waterman Mountain 2412 Comment
  SEINET3859875  Layia glandulosa R. G. Swinney 2009-4-28 10502 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 mi. SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  SEINET3860022  Amsinckia tessellata R. G. Swinney 2009-4-24 10432 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock, 0.3 mi. NW of LIttlerock Creek Campground.; 0 915 Comment
  SEINET3860296  Forestiera pubescens R. G. Swinney 2009-4-24 10482 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  SEINET3860408  Linanthus bigelovii R. G. Swinney 2009-4-24 10487 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mohave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 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
  SEINET8481397 Image available 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
  SFV22071  Deschampsia danthonioides R. G. Swinney 2009-6-8 11111 Los Angeles San Gabriel Mountains Horse Flats. 1 air mile north-northwest of Newcomb's Ranch on CA-Highway 2. 1720 Comment
  SFV22072  Avena fatua R. G. Swinney 2009-4-7 10287 Los Angeles San Gabriel Mountains Foothills in area of Azusa and Irwindale, between 210 Freeway and Foothill Blvd. on west side of San Gabriel River channel. 169 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
  UCD169229  Eleocharis R. G. Swinney 2009-5-28 10924 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCD169504  Atriplex suberecta R. G. Swinney 2008-12-6 9978 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel. 229 Comment
  UCD169516  Chenopodium fremontii R. G. Swinney 2008-8-13 9397 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  UCD169564  Opuntia basilaris var. brachyclada R. G. Swinney 2009-5-20 10856 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
  UCD170270  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
  UCD170320  Rumex hymenosepalus R. G. Swinney 2010-3-11 11868 Los Angeles San Gabriel Mountains/Verdugo Mountains, flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  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
  UCD170493  Phoradendron leucarpum subsp. tomentosum R. G. Swinney 2009-7-22 11304 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats. 1890 Comment
  UCD170563  Lithophragma tenellum R. G. Swinney 1998-7-8 6338 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat. 2280 Comment
  UCD170757  Astragalus pachypus var. pachypus R. G. Swinney 2009-4-24 10431 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground. 915 Comment
  UCD170783  Amorpha californica R. G. Swinney 2009-5-8 10696 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park. 305 Comment
  UCD170820  Acmispon procumbens R. G. Swinney 2009-5-12 10717 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  UCD170907  Viola pinetorum R. G. Swinney 1998-7-2 6193 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area. 2256 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
  UCD170961  Horkelia rydbergii R. G. Swinney 2009-7-23 11396 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
  UCR100060  Verbascum virgatum R. G. Swinney 1969-5-1 396 Los Angeles San Gabriel Valley, c. 100 yards south of Duarte city limits on Buena Vista Ave. in Irwindale, c. 100 yards west of San Gabriel River channel 133 Comment
  UCR118527  Allium vineale R. G. Swinney 1990-1 1594 Los Angeles South Hills, Glendora. Annually disced fields north of the E end of Fawn Valley Road. 256 Comment
  UCR137595  Muhlenbergia microsperma R. G. Swinney 1990-1-6 1510 Los Angeles San Gabriel Mtns, Glendora, c. 0.2 mi SW of Little Dalton Park on Glendora Mountain Road 427 Comment
  UCR141362  Chrysothamnus nauseosus R. G. Swinney 1997-8-19 5810 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
  UCR141371  Eriogonum wrightii var. subscaposum R. G. Swinney 1997-8-19 5820 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
  UCR141862  Silene verecunda R. G. Swinney 1997-8-19 5826 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 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
  UCR149347  Delphinium patens R. G. Swinney 1998-4-4 5914 Los Angeles San Gabriel Mtns, Evey Canyon, c. 0.75 mi. west of Mt. Baldy Rd., c. 0.3 mi. (air) NE of Potato Mtn. 793 Comment
  UCR149352  Arctostaphylos glandulosa R. G. Swinney 1998-3-14 5906 Los Angeles San Gabriel Mtns., Potato Mountain, NW of Upland 1043 Comment
  UCR149525  Castilleja plagiotoma R. G. Swinney 1997-6-25 5644 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  UCR149896  Mirabilis laevis R. G. Swinney 1999-6-18 7310 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR149899  Purshia glandulosa R. G. Swinney 1999-6-18 7318 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR149905  Nama californica R. G. Swinney 1999-6-18 7341 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR149918  Potentilla glandulosa R. G. Swinney 1999-6-18 7302 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  UCR150452  Eriogonum saxatile R. G. Swinney 1999-6-21 7366 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UCR150833  Gnaphalium stramineum R. G. Swinney, Dave Larson 1999-5-15 7153 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150836  Arabis sparsiflora R. G. Swinney, Dave Larson 1999-5-15 7174 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150839  Avena barbata R. G. Swinney, Dave Larson 1999-5-15 7157 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150862  Anthriscus caucalis R. G. Swinney, Dave Larson 1999-5-15 7183 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150871  Thelypodium lasiophyllum R. G. Swinney, Dave Larson 1999-5-15 7161 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150874  Thysanocarpus curvipes R. G. Swinney 1998-4-14 5972 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
  UCR178616  Eschscholzia caespitosa R. G. Swinney 1989-6-10 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 396 Comment
  UCR178619  Eschscholzia californica R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon, 'Owl Flats 473 Comment
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Jul 26 2010
  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
  UCR178782  Atriplex semibaccata R. G. Swinney 1989-9-11 s.n. Los Angeles San Gabriel Mtns. Foothills, Glendora, east end of South Hills, at end of High Country Drive 305 Comment
  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
  UCR178794  Oxalis corniculata subsp. corniculata R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  UCR178885  Nemophila menziesii var. integrifolia R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 'Water Pipe Canyon' [=Pavil Cyn] a tributary of Big Dalton Canyon 451 Comment
  UCR178900  Plagiobothrys arizonicus R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill trail c. 100 yds. north of the junction of Glendora Mtn. Rd. and Big Dalton Canyon Rd. 366 Comment
  UCR178922  Thysanocarpus laciniatus var. crenatus R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats 473 Comment
  UCR178931  Alisma triviale R. G. Swinney 1989-5-22 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon, Big Dalton Debris basin 366 Comment
  UCR178934  Hordeum murinum subsp. leporinum R. G. Swinney 1980-4-25 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon 488 Comment
  UCR178948  Solanum umbelliferum R. G. Swinney 1968-3-18 223 Los Angeles San Gabriel Mtns., Big Dalton Canyon, 1.0 mi. east of Glendora Mtn. Road 427 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
  UCR179278  Epilobium canum R. G. Swinney 1989-8-5 s.n. Los Angeles San Gabriel Mtns., base of the mtns. near the city of Glendora; Glendora Ridge Motorway, 0.5 mi west of Glendora Mountain Rd. 732 Comment
  UCR179291  Juncus bufonius R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin 366 Comment
  UCR179297  Lilium humboldtii R. G. Swinney 1989-6-10 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, cyn. bottom on w. side of Big Dalton Canyon just west of Pavil Canyon 442 Comment
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Mar 26 2014
  UCR179464  Madia gracilis R. G. Swinney, Dave Larson 1996-8-7 5249 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
  UCR179488  Colutea arborescens R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mountains, Glendora Wilderness Park, in Big Dalton Canyon. 1.6 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 473 Comment
  UCR179615  Melinis repens R. G. Swinney 1992-11-11 1980 Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin, on Colby-Dalton Trail 366 Comment
  UCR179653  Claytonia perfoliata R. G. Swinney 1970-4-4 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, 0.75 mi. east of Glendora Mtn. Rd. in Big Dalton Canyon 366 Comment
  UCR179668  Polygonum aviculare 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
  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
  UCR179684  Eriogonum fasciculatum var. polifolium R. G. Swinney, Dave Larson 1996-8-7 5242 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  UCR179687  Carex R. G. Swinney 1995-9-4 4502 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
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Sep 12 2018
  UCR179702  Erigeron breweri R. G. Swinney, Dave Larson 1996-7-17 5131 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179710  Gayophytum oligospermum R. G. Swinney, Dave Larson 1996-7-17 5124 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179733  Bromus tectorum R. G. Swinney, Dave Larson 1996-7-17 5151 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179999  Chrysolepis sempervirens R. G. Swinney 1995-8-28 4481 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  UCR180005  Phacelia ramosissima R. G. Swinney 1996-8-7 5209 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
  UCR180172  Lolium perenne subsp. multiflorum R. G. Swinney 1989-5-3 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon, 1.4 mi. northeast of Glendora Mountain Road 442 Comment
  UCR180714  Microseris lindleyi R. G. Swinney 1995-4-4 3479 Los Angeles San Gabriel Mtns, Glendora, ridge overlooking south end of Mystic Canyon at Big Dalton Canyon 451 Comment
  UCR180717  Stellaria nitens R. G. Swinney 1995-4-4 3478 Los Angeles San Gabriel Mtns, Glendora, ridge overlooking south end of Mystic Canyon at Big Dalton Canyon 451 Comment
  UCR181104  Arctostaphylos patula R. G. Swinney 1997-4-25 5501 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  UCR181107  Bromus tectorum R. G. Swinney 1997-4-25 5511 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  UCR181116  Collinsia R. G. Swinney 1997-5-13 5523 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  UCR181242  Caulanthus major R. G. Swinney 1997-6-13 5570 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 0.5 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 2073 Comment
  UCR181254  Antirrhinum multiflorum R. G. Swinney 1997-6-12 5564 Los Angeles San Gabriel Mtns, San Gabriel River Canyon north of Morris Dam, at private shore NE of dam 488 Comment
  UCR181265  Stipa parishii R. G. Swinney 1997-6-13 5580 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
  UCR181289  Symphoricarpos rotundifolius var. parishii R. G. Swinney 1997-6-13 5587 Los Angeles San Gabriel Mtns, ridge NE of Table Mountain (peak 7473 ft.), c. 0.4 mi. west of San Bernardino Co. line 2195 Comment
  UCR182112  Emmenanthe penduliflora R. G. Swinney 1998-4-14 5984 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
  UCR182134  Tetradymia spinosa var. longispina R. G. Swinney 1998-4-14 5990 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
  UCR182243  Polypogon monspeliensis R. G. Swinney 1997-9-6 5875 Los Angeles San Gabriel Mountains, Jackson Lake west of Wrightwood 1875 Comment
  UCR182246  Symphoricarpos mollis R. G. Swinney 1997-9-27 5880 Los Angeles San Gabriel Mountains, Live Oak Canyon, c. 1.6 mi. north of Baseline Rd., 0.8 mi. due north of Live Oak Canyon Dam 488 Comment
  UCR182249  Heterotheca subaxillaris R. G. Swinney 1997-12-31 5890 Los Angeles South Coast, Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway, about 300 m east of Irwindale Avenue 152 Comment
  UCR182250  Baccharis salicina R. G. Swinney 1997-12-31 5889 Los Angeles South Coast, Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway, about 300 m east of Irwindale Avenue 152 Comment
  UCR182383  Gilia R. G. Swinney 1997-7-22 5699 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
  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
  UCR182390  Chorizanthe staticoides R. G. Swinney 1998-5-15 6053 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 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
  UCR182640  Mimulus moschatus R. G. Swinney 1997-7-23 5726 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR182668  Matricaria matricarioides R. G. Swinney 1998-4-13 5949 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR182681  Ligustrum lucidum R. G. Swinney 1998-4-13 5953 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR182684  Arabis sparsiflora R. G. Swinney 1998-4-13 5959 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 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
  UCR182702  Carex R. G. Swinney 1997-8-6 5768 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
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Sep 12 2018
  UCR182710  Euphorbia maculata R. G. Swinney 1998-2-16 5896 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  UCR182720  Capsella bursa-pastoris R. G. Swinney 1998-2-16 5900 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
  UCR182736  Pterospora andromedea R. G. Swinney 1997-7-23 5737 A Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  UCR182739  Monardella R. G. Swinney 1997-7-16 5656 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  UCR182745  Lepidium virginicum R. G. Swinney 1998-4-11 5934 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  UCR182762  Agrostis stolonifera R. G. Swinney 1997-7-23 5734 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR182771  Rosa woodsii R. G. Swinney 1997-7-22 5714 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
  UCR182851  Eriogonum davidsonii R. G. Swinney 1997-8-6 5764 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
  UCR182857  Lithophragma R. G. Swinney 1998-4-4 5912 Los Angeles San Gabriel Mtns, Evey Canyon, c. 0.75 mi. west of Mt. Baldy Rd., c. 0.3 mi. (air) NE of Potato Mtn. 793 Comment
  UCR188649  Plagiobothrys nothofulvus R. G. Swinney 1990-3-24 1558 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. East end of Eagle Ridge, west of new homes 274 Comment
  UCR188650  Plagiobothrys canescens R. G. Swinney 1990-3-19 1529 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR189255  Nemophila menziesii R. G. Swinney 1998-5-16 6091 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
  UCR189261  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 1348 Comment
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May 3 2012
  UCR189264  Loeseliastrum matthewsii R. G. Swinney 1998-5-16 6066 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189267  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
  UCR189272  Allium fimbriatum R. G. Swinney 1998-5-16 6084 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189379  Pectocarya linearis 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
  UCR189662  Linanthus parryae R. G. Swinney 1998-5-16 6057 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189671  Anisocoma acaulis R. G. Swinney 1998-7-8 6307 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR189674  Scutellaria siphocampyloides R. G. Swinney 1998-7-6 6275 Los Angeles San Gabriel Mtns., Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  UCR189677  Cryptantha R. G. Swinney 1998-7-2 6198 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
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Dec 6 2018
  UCR189698  Solanum umbelliferum R. G. Swinney 1998-7-10 6403 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR189708  Viola purpurea subsp. purpurea R. G. Swinney 1998-7-14 6436 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
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May 9 2012
  UCR189715  Erigeron foliosus R. G. Swinney 1998-7-27 6492 B Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR189725  Claytonia parviflora subsp. viridis R. G. Swinney 1998-7-21 6470 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
  UCR189740  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
  UCR189753  Cryptantha R. G. Swinney 1998-7-10 6397 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
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Feb 19 2020
  UCR189756  Ribes cereum R. G. Swinney 1998-7-10 6388 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR189822  Artemisia tridentata R. G. Swinney 1998-9-4 6895 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR189831  Senecio ionophyllus R. G. Swinney 1998-7-14 6458 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
  UCR189834  Penstemon labrosus R. G. Swinney 1998-9-4 6885 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR189837  Chrysothamnus nauseosus R. G. Swinney 1998-8-31 6881 Los Angeles San Gabriel Mtns., San Antonio Ridge, 2.1 mi. west of West Mt. Baldy 2232 Comment
  UCR189848  Mimulus rubellus R. G. Swinney 1998-7-21 6469 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
  UCR189873  Gayophytum R. G. Swinney 1998-7-21 6484 Los Angeles San Gabriel Mtns., 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
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May 1 2012
  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
  UCR189958  Leptodactylon pungens R. G. Swinney 1998-8-27 6832 Los Angeles San Gabriel Mtns., Mount San Antonio (East/Old Baldy) Peak 3055 Comment
  UCR189963  Viola pinetorum subsp. pinetorum R. G. Swinney 1998-8-27 6826 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
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May 9 2012
  UCR189985  Malacothamnus fremontii R. G. Swinney 1998-9-4 6899 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR190004  Dudleya saxosa R. G. Swinney, Vanessa Merritt 1998-6-12 6967 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
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Apr 22 2010
  UCR190007  Abies concolor R. G. Swinney 1998-8-27 6823 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR190013  Cryptantha clevelandii R. G. Swinney 1998-7-30 6596 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190016  Agrostis R. G. Swinney 1998-10-3 7009 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  UCR190023  Helenium bigelovii R. G. Swinney 1998-10-3 7018 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  UCR190029  Bromus diandrus R. G. Swinney 1998-6-16 6986 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR190030  Viola pinetorum R. G. Swinney 1998-6-16 6969 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
  UCR190055  Lotus oblongifolius R. G. Swinney 1998-8-1 6602 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  UCR190105  Arabis platysperma R. G. Swinney 1998-8-27 6811 Los Angeles San Gabriel Mtns., gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  UCR190118  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-8-27 6800 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UCR190226  Adiantum capillus-veneris R. G. Swinney 1998-7-30 6599 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190229  Mimulus floribundus R. G. Swinney 1998-8-1 6606 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 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
  UCR190255  Epipactis gigantea R. G. Swinney 2000-5-25 7783 Los Angeles San Gabriel Mtns., Azusa, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon 238 Comment
  UCR190261  Calochortus albus R. G. Swinney 2000-5-25 7784 Los Angeles San Gabriel Mtns., Azusa, 0.3 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon 244 Comment
  UCR190264  Cardamine californica R. G. Swinney 2000-5-21 7775 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UCR190267  Lomatium lucidum R. G. Swinney 2000-6-25 7794 Los Angeles San Gabriel Mtns., lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  UCR190272  Adiantum aleuticum R. G. Swinney 2000-9-16 7869 Los Angeles San Gabriel Mtns., Coldwater Canyon, c. 2.1 mi. NE of confluence with Dry Gulch 1780 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
  UCR190348  Arabis pulchra R. G. Swinney 2001-4-18 7900 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
  UCR190373  Stipa R. G. Swinney, Cody Clarke 2001-6-20 8006 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR190376  Senecio ionophyllus R. G. Swinney, Cody Clarke 2001-6-20 8008 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR190379  Chaenactis stevioides R. G. Swinney 2001-4-18 7917 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR190395  Caulanthus cooperi R. G. Swinney 2001-4-18 7901 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR190435  Claytonia parviflora R. G. Swinney 2000-5-6 7672 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 Comment
  UCR190443  Tauschia arguta R. G. Swinney 2000-6-25 7801 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
  UCR190446  Antirrhinum kelloggii R. G. Swinney 2000-5-6 7669 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 Comment
  UCR190449  Rafinesquia californica R. G. Swinney 2000-6-19 7865 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR190519  Agoseris retrorsa R. G. Swinney 2000-6-19 7819 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR190523  Melica imperfecta R. G. Swinney 1990-3-23 1546 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 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
  UCR190530  Calochortus catalinae R. G. Swinney 1990-5-2 1581 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora, at east end of Eagle Ridge, north of new homes 305 Comment
  UCR190610  Monardella breweri R. G. Swinney 2001-5-17 7950 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, along Panorama Rd. c. 1 mile west of Largo Vista Rd. 1338 Comment
  UCR190725  Juncus R. G. Swinney 1999-7-5 7510 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
  UCR190740  Eriogonum davidsonii R. G. Swinney 2001-5-18 7931 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
  UCR190756  Salix lasiolepis R. G. Swinney 1999-6-30 7484 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  UCR190759  Carex pellita R. G. Swinney 1999-7-5 7498 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
  UCR190768  Nemacladus sigmoideus R. G. Swinney 2001-5-18 7942 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
  UCR190781  Mimulus guttatus R. G. Swinney 1998-8-6 6688 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 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
  UCR190787  Dodecatheon clevelandii subsp. clevelandii R. G. Swinney 2001-4-17 7875 Los Angeles San Gabriel Mtns., Glendora, Morgan Canyon plateau 402 Comment
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Mar 2 2013
  UCR190792  Pectocarya setosa R. G. Swinney 2001-4-18 7924 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  UCR190800  Cornus sericea subsp. sericea R. G. Swinney 1999-7-5 7495 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
  UCR190860  Carex alma R. G. Swinney 1999-7-28 7600 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, just south of confluence of Clark Gulch 963 Comment
  UCR190873  Boykinia rotundifolia R. G. Swinney 1999-7-14 7554 Los Angeles San Gabriel Mtns., Allison Gulch, an eastern tributary of East Fork San Gabriel River Canyon 1012 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
  UCR190895  Poa secunda R. G. Swinney 1998-7-2 6224 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
  UCR190911  Galium parishii R. G. Swinney 1998-7-2 6236 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR190914  Pedicularis semibarbata R. G. Swinney 1998-7-2 6249 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR190917  Chenopodium fremontii R. G. Swinney 1998-7-10 6364 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  UCR190924  Woodwardia fimbriata R. G. Swinney 1999-7-28 7598 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, just south of confluence of Clark Gulch 963 Comment
  UCR190927  Mimulus moschatus R. G. Swinney 1998-8-6 6697 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  UCR190932  Lupinus R. G. Swinney 1998-7-2 6243 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191157  Clarkia dudleyana R. G. Swinney, Dave Larson 1999-7-21 7566 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE of Browns Flat 1463 Comment
  UCR191165  Chenopodium fremontii R. G. Swinney 1999-7-5 7514 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
  UCR191186  Lepidium virginicum R. G. Swinney 1999-7-28 7585 Los Angeles San Gabriel Mtns., Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence 951 Comment
  UCR191189  Lobelia dunnii R. G. Swinney 1999-7-28 7591 Los Angeles San Gabriel Mtns., Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon 1098 Comment
  UCR191190  Adiantum capillus-veneris R. G. Swinney 1999-7-28 7592 Los Angeles San Gabriel Mtns., Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon 1098 Comment
  UCR191255  Muhlenbergia californica R. G. Swinney 1999-7-28 7575 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch 732 Comment
  UCR191261  Senecio ionophyllus R. G. Swinney 1998-7-2 6218 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191264  Calochortus palmeri R. G. Swinney 1998-7-2 6203 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191272  Calochortus kennedyi R. G. Swinney 2001-6-16 7982 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
  UCR191300  Castilleja miniata R. G. Swinney 1998-7-6 6271 Los Angeles San Gabriel Mtns., near mouth of Mescal Canyon, 2.7 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1488 Comment
  UCR191312  Malacothrix glabrata R. G. Swinney 1998-7-10 6357 Los Angeles San Gabriel Mtns., Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  UCR191513  Collinsia torreyi var. wrightii R. G. Swinney 1998-7-8 6312 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR191523  Linanthus breviculus R. G. Swinney 1998-7-8 6306 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR191526  Hordeum vulgare R. G. Swinney 1998-7-8 6318 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR191529  Bromus tectorum R. G. Swinney 1998-7-8 6322 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR191530  Gayophytum R. G. Swinney 1998-7-8 6323 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR191784  Poa secunda R. G. Swinney 1998-7-8 6333 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR191787  Pedicularis semibarbata R. G. Swinney 1998-7-8 6336 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
  UCR192823  Lomatium nevadense 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
  UCR192826  Eriophyllum confertiflorum R. G. Swinney 1998-7-8 6299 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR192829  Fraxinus dipetala R. G. Swinney 1998-8-10 6727 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  UCR192830  Silene verecunda R. G. Swinney 1998-7-6 6293 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.9 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  UCR192855  Carex aurea R. G. Swinney 1998-7-14 6421 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR192861  Smilacina stellata R. G. Swinney 1998-7-14 6428 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR192864  Allium monticola R. G. Swinney 1999-8-9 7605 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
  UCR192867  Stachys albens R. G. Swinney 1998-8-6 6701 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR192872  Adiantum capillus-veneris R. G. Swinney 1998-8-10 6724 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  UCR193140  Bromus carinatus R. G. Swinney 1998-7-14 6451 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  UCR193153  Platanthera sparsiflora R. G. Swinney 1999-8-14 7624 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
  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
  UCR193168  Epilobium 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
  UCR193441  Gilia ochroleuca subsp. bizonata R. G. Swinney 1999-6-5 7264 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
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May 3 2012
  UCR193444  Descurainia pinnata R. G. Swinney 1999-6-18 7278 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR193447  Abronia pogonantha R. G. Swinney 1999-6-18 7282 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR193480  Senna artemisioides R. G. Swinney 1999-4-8 7073 Los Angeles San Gabriel Mtns., Claremont, Cobal Canyon c. 0.5 mi. NE of confluence with Burbank Canyon 549 Comment
  UCR193532  Stipa hymenoides R. G. Swinney 1999-6-18 7297 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR193563  Salix laevigata R. G. Swinney 1999-6-28 7442 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  UCR193566  Stephanomeria exigua R. G. Swinney 1999-6-28 7434 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193600  Arundo donax R. G. Swinney 1999-6-28 7429 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193673  Sedum spathulifolium R. G. Swinney, Dave Larson 1999-6-25 7413 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR193676  Madia gracilis R. G. Swinney, Dave Larson 1999-6-25 7411 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR193679  Cardamine californica R. G. Swinney, Dave Larson 1999-5-15 7142 Los Angeles San Gabriel Mtns., Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 549 Comment
  UCR193695  Eriophyllum wallacei R. G. Swinney 1999-4-5 7036 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  UCR193705  Phoradendron villosum R. G. Swinney 1999-4-5 7034 Los Angeles San Gabriel Mtns., Big John Flat 1646 Comment
  UCR193718  Adiantum capillus-veneris R. G. Swinney, Dave Larson 1999-5-15 7147 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR193728  Salix lasiolepis R. G. Swinney 1999-6-18 7299 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  UCR193988  Penstemon centranthifolius R. G. Swinney 1999-6-5 7242 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR194035  Leptodactylon pungens R. G. Swinney 1998-9-7 6925 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1/4 mi. west of summit of Pine Mountain 2817 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
  UCR194046  Pectocarya setosa R. G. Swinney 1999-5-22 7188 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR194049  Erigeron breweri R. G. Swinney 1998-8-17 6775 Los Angeles San Gabriel Mtns., Gold Dollar Mine Trail, 0.2 mi. NE of upper Coldwater Canyon 1488 Comment
  UCR194050  Polypodium californicum R. G. Swinney 1998-8-21 6780 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  UCR194160  Oenothera elata subsp. hookeri R. G. Swinney 1998-7-29 6532 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
  UCR194173  Mimulus guttatus R. G. Swinney 1998-7-29 6542 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 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
  UCR194282  Piperia R. G. Swinney 1998-8-5 6640 Los Angeles San Gabriel Mtns., Prairie Fork, c. 300 m west (downstream) of Cabin Flats Campground 1598 Comment
  UCR194291  Viola pinetorum R. G. Swinney 1998-8-31 6878 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  UCR194294  Lithophragma R. G. Swinney 1999-4-9 7080 Los Angeles San Gabriel Mtns., Dime Canyon, c. 200 m south of Cattle Canyon at the falls 671 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
  UCR194305  Solidago confinis R. G. Swinney 1998-8-5 6637 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
  UCR194354  Malacothamnus fremontii R. G. Swinney 1998-9-4 6919 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR194357  Eriogonum nudum R. G. Swinney 1998-9-4 6916 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR194578  Helenium bigelovii R. G. Swinney 1998-7-29 6537 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
  UCR194591  Cardamine oligosperma R. G. Swinney 1999-4-9 7082 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  UCR194594  Elymus glaucus R. G. Swinney 1998-8-6 6679 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR194597  Euphorbia peplus R. G. Swinney 1999-4-8 7077 Los Angeles San Gabriel Mtns., Claremont, Palmer Canyon c. 100 m east of Cobal Canyon 512 Comment
  UCR194625  Galium R. G. Swinney 1998-8-31 6868 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.9 mi. west of Mt. Baldy, east of saddle 2500 Comment
  UCR194842  Eriophyllum pringlei R. G. Swinney 1999-5-1 7093 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  UCR202516  Pterospora andromedea R. G. Swinney 2001-8-9 8020 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  UCR202519  Eriogonum wrightii var. subscaposum R. G. Swinney 2001-8-9 8018 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  UCR202523  Juncus macrophyllus R. G. Swinney 2005-8-15 8482 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR202526  Potentilla glandulosa R. G. Swinney 2005-8-15 8479 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR202529  Boschniakia strobilacea R. G. Swinney 2001-8-9 8011 Los Angeles San Gabriel Mtns., east peak on Pleasant View Ridge 2504 Comment
  UCR202530  Datisca glomerata R. G. Swinney 2005-8-15 8477 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR202698  Agrostis R. G. Swinney 2001-8-11 8039 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCR202708  Arctostaphylos patula R. G. Swinney 2001-8-18 8050 Los Angeles San Gabriel Mtns., Mt. Baden-Powell 2866 Comment
  UCR202715  Eriophyllum confertiflorum R. G. Swinney 2001-8-18 8061 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  UCR202740  Holodiscus microphyllus R. G. Swinney 2001-8-27 8091 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR202927  Rhamnus californica subsp. tomentella R. G. Swinney 2001-8-18 8067 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  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
  UCR203196  Gilia leptantha subsp. transversa R. G. Swinney 2005-5-21 8253 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR203199  Camissonia R. G. Swinney 2005-5-21 8249 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR203202  Festuca octoflora R. G. Swinney 2005-5-21 8243 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR203220  Juncus balticus R. G. Swinney 2005-7-21 8316 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
  UCR203233  Carex praegracilis R. G. Swinney 2005-7-21 8314 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
  UCR203236  Epilobium ciliatum R. G. Swinney 2005-7-21 8332 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
  UCR203239  Chenopodium pratericola R. G. Swinney 2005-7-21 8329 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
  UCR203604  Carex alma R. G. Swinney 2005-7-21 8337 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
  UCR203912  Eleocharis parishii R. G. Swinney 2005-7-21 8335 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
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May 10 2012
  UCR204018  Osmorhiza chilensis R. G. Swinney 2001-9-15 8141 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
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Oct 8 2009
  UCR204028  Arctostaphylos patula R. G. Swinney 2001-9-15 8152 Los Angeles San Gabriel Mountains, Mt Islip 2515 Comment
  UCR204042  Gilia sinuata R. G. Swinney 2005-5-14 8236 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  UCR204051  Eleocharis macrostachya R. G. Swinney 2005-5-21 8272 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  UCR204054  Chenopodium berlandieri R. G. Swinney 2005-7-8 8276 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  UCR204057  Mimulus pilosus R. G. Swinney 2005-7-8 8279 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  UCR204218  Juncus macrophyllus R. G. Swinney 2005-7-21 8336 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
  UCR204283  Carex R. G. Swinney 2001-9-16 8169 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
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Sep 12 2018
  UCR204412  Ribes nevadense R. G. Swinney 2001-9-15 8172 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204422  Elaeagnus angustifolia R. G. Swinney 2001-9-15 8183 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204431  Calochortus albus R. G. Swinney 2003-5-12 8197 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
  UCR204434  Geranium carolinianum R. G. Swinney 2003-5-12 8200 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
  UCR204437  Lolium perenne subsp. perenne R. G. Swinney 2003-5-12 8206 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, drainage near Big Cienega Spring, S fork of upper Pavil Canyon 640 Comment
  UCR204448  Poa secunda R. G. Swinney 2005-4-15 8218 Los Angeles San Gabriel Mtns., Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 351 Comment
  UCR204551  Scirpus R. G. Swinney 2005-8-5 8365 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  UCR204557  Amaranthus albus R. G. Swinney 2005-8-5 8374 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204565  Helenium bigelovii R. G. Swinney 2005-8-5 8382 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204758  Juncus bufonius R. G. Swinney 2005-8-9 8432 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
  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
  UCR204850  Bromus R. G. Swinney 2005-8-9 8417 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204878  Conyza canadensis R. G. Swinney 2005-8-9 8405 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204891  Ceanothus crassifolius R. G. Swinney 2008-3-31 8592 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  UCR204894  Fraxinus dipetala R. G. Swinney 2008-4-1 8599 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  UCR204897  Amsinckia intermedia R. G. Swinney 2008-4-1 8602 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  UCR205053  Galium aparine R. G. Swinney 2008-3-31 8587 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  UCR205068  Chaenactis glabriuscula R. G. Swinney 2008-4-4 8614 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
  UCR205084  Rubus ursinus R. G. Swinney 2008-4-10 8631 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR205087  Croton californicus R. G. Swinney 2008-4-10 8640 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  UCR205092  Ehrharta calycina R. G. Swinney 2008-4-10 8644 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  UCR205103  Lupinus hirsutissimus R. G. Swinney 2008-4-11 8665 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
  UCR205111  Pholistoma auritum R. G. Swinney 2008-4-16 8673 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  UCR205114  Eucalyptus tereticornis R. G. Swinney 2008-4-16 8676 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  UCR205117  Silybum marianum R. G. Swinney 2008-4-17 8679 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  UCR205124  Festuca myuros R. G. Swinney 2008-4-17 8686 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205127  Lupinus bicolor R. G. Swinney 2008-4-17 8689 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205132  Phacelia grandiflora R. G. Swinney 2008-4-28 8694 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205185  Lotus heermannii R. G. Swinney 2008-4-30 8712 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
  UCR205225  Mimulus bigelovii R. G. Swinney 2008-5-2 8723 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR205253  Polygonum lapathifolium R. G. Swinney 2008-3-26 8571 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205256  Ribes nevadense R. G. Swinney 2005-8-17 8500 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
  UCR205259  Mimulus floribundus R. G. Swinney 2005-8-15 8487 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR205268  Juglans californica R. G. Swinney 2008-4-9 8621 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UCR205462  Pectocarya setosa R. G. Swinney 2008-5-2 8738 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR205553  Medicago lupulina R. G. Swinney 2008-5-30 8888 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  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
  UCR205568  Delphinium cardinale R. G. Swinney 2008-5-30 8874 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
  UCR205581  Clarkia xantiana R. G. Swinney 2008-5-12 8837 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
  UCR205584  Chaenactis stevioides R. G. Swinney 2008-5-12 8829 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
  UCR205592  Euphorbia maculata R. G. Swinney 2008-5-30 8871 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
  UCR205841  Lotus corniculatus R. G. Swinney 2008-6-9 8975 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
  UCR205847  Anisocoma acaulis R. G. Swinney 2008-5-8 8816 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
  UCR205852  Phacelia fremontii R. G. Swinney 2008-5-8 8822 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
  UCR205893  Calochortus kennedyi R. G. Swinney 2008-5-5 8754 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR205896  Microseris lindleyi R. G. Swinney 2008-5-8 8782 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR205899  Lotus strigosus R. G. Swinney 2008-5-8 8785 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR205905  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-5 8769 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR205918  Penstemon centranthifolius R. G. Swinney 2008-5-5 8747 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR205928  Arenaria douglasii R. G. Swinney 2008-5-5 8774 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
  UCR206143  Gnaphalium californicum R. G. Swinney 2008-5-30 8898 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 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
  UCR206150  Mimulus rubellus R. G. Swinney 2008-6-4 8925 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
  UCR206260  Cercocarpus ledifolius R. G. Swinney 2008-6-10 8989 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  UCR206273  Oxytheca parishii R. G. Swinney 2008-6-10 8990 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
  UCR206276  Phacelia cryptantha R. G. Swinney 2008-6-10 9000 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 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
  UCR206428  Mentzelia laevicaulis R. G. Swinney 2008-6-10 8994 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  UCR206451  Camissonia campestris R. G. Swinney 2008-6-9 8968 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR206454  Juncus macrophyllus R. G. Swinney 2008-6-9 8961 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR206457  Erigeron foliosus R. G. Swinney 2008-6-9 8964 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR209112  Linanthus concinnus R. G. Swinney 2008-6-18 9078 Los Angeles San Gabriel Mountains, south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek 2012 Comment
  UCR209122  Stephanomeria cichoriacea R. G. Swinney 2008-6-24 9088 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
  UCR209134  Juncus xiphioides R. G. Swinney 2008-6-24 9084 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209137  Castilleja minor var. stenantha R. G. Swinney 2008-6-24 9095 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209243  Lessingia glandulifera var. glandulifera R. G. Swinney 2008-10-7 9479 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209246  Chenopodium fremontii R. G. Swinney 2008-10-8 9530 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR209249  Symphoricarpos rotundifolius var. parishii R. G. Swinney 2008-10-8 9533 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR209250  Eriogonum R. G. Swinney 2008-10-8 9534 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR209413  Erigeron foliosus R. G. Swinney 2008-10-8 9521 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UCR209416  Ulmus pumila R. G. Swinney 2008-12-2 9919 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
  UCR209419  Eriogonum wrightii R. G. Swinney 2008-10-8 9514 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UCR209423  Boykinia rotundifolia R. G. Swinney 2008-9-13 9452 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UCR209430  Stipa speciosa R. G. Swinney 2008-10-7 9491 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209455  Chenopodium berlandieri R. G. Swinney 2008-10-10 9563 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209464  Lessingia filaginifolia R. G. Swinney 2008-10-10 9552 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
  UCR209472  Silene verecunda R. G. Swinney 2008-7-3 9151 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UCR209488  Lomatium mohavense R. G. Swinney 2008-6-17 9040 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
  UCR209535  Solidago californica R. G. Swinney 2008-7-2 9132 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 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
  UCR209597  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2008-7-3 9155 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 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
  UCR209615  Poa pratensis R. G. Swinney 2008-10-10 9579 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
  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
  UCR209851  Cirsium vulgare R. G. Swinney 2008-7-13 9185 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, east fork of Bell Canyon at debris basin 756 Comment
  UCR209854  Gilia ochroleuca subsp. bizonata R. G. Swinney 2008-7-15 9219 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209865  Allophyllum R. G. Swinney 2008-7-12 9177 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR209883  Eriogonum saxatile R. G. Swinney 2008-7-16 9259 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 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
  UCR209938  Lessingia filaginifolia R. G. Swinney 2008-7-15 9212 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209941  Eriodictyon trichocalyx R. G. Swinney 2008-7-15 9209 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209947  Sambucus mexicana R. G. Swinney 2008-7-15 9222 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209952  Cryptantha echinella R. G. Swinney 2008-7-15 9226 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209975  Phoradendron pauciflorum R. G. Swinney 2008-7-25 9309 Los Angeles San Gabriel Mtns., Twin Peaks, west peak 2316 Comment
  UCR209980  Eriogonum saxatile R. G. Swinney 2008-7-24 9292 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209993  Lessingia filaginifolia R. G. Swinney 2008-7-16 9254 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCR210001  Juncus rugulosus R. G. Swinney 2008-7-12 9175 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR210007  Ocimum R. G. Swinney 2008-12-2 9920 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
  UCR210013  Artemisia ludoviciana R. G. Swinney 2008-10-7 9468 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR210016  Cotula australis R. G. Swinney 2008-12-2 9912 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
  UCR210019  Brassica geniculata R. G. Swinney 2008-12-2 9908 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
  UCR210026  Datisca glomerata R. G. Swinney 2008-7-16 9263 Los Angeles San Gabriel Mtns., Little Rock Creek Canyon, 1.7 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1793 Comment
  UCR210029  Verbena bracteata R. G. Swinney 2008-9-9 9322 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR210030  Penstemon spectabilis R. G. Swinney 2008-7-13 9183 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  UCR210088  Ambrosia acanthicarpa R. G. Swinney 2008-10-20 9645 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 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
  UCR210128  Carex athrostachya R. G. Swinney 2008-7-24 9346 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR210151  Verbena lasiostachys R. G. Swinney 2008-10-16 9611 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  UCR210154  Symphoricarpos rotundifolius R. G. Swinney 2008-8-13 9361 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210157  Elymus hispidus R. G. Swinney 2008-7-24 9356 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
Read comments
May 11 2012
  UCR210165  Rhamnus californica subsp. tomentella R. G. Swinney 2008-8-13 9396 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  UCR210190  Chenopodium berlandieri R. G. Swinney 2008-10-22 9665 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
  UCR210204  Lolium perenne R. G. Swinney 2008-8-14 9431 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR210207  Prunus virginiana R. G. Swinney 2008-8-13 9405 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  UCR210213  Elymus glaucus R. G. Swinney 2008-9-10 9420 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  UCR210216  Crypsis schoenoides R. G. Swinney 2008-10-20 9650 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210219  Juncus xiphioides R. G. Swinney 2008-8-14 9434 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR210223  Sonchus oleraceus R. G. Swinney 2008-8-14 9429 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR210226  Carex alma R. G. Swinney 2008-9-10 9423 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 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
  UCR210230  Epilobium canum R. G. Swinney 2008-10-22 9675 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
  UCR210255  Artemisia douglasiana R. G. Swinney 2008-8-13 9364 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210261  Lotus purshianus R. G. Swinney 2008-8-13 9371 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210264  Carex alma R. G. Swinney 2008-8-13 9377 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210267  Melilotus albus R. G. Swinney 2008-8-13 9369 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210272  Typha domingensis R. G. Swinney 2008-10-16 9608 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UCR210443  Baccharis salicifolia R. G. Swinney 2008-11-30 9883 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
  UCR210449  Aster subulatus R. G. Swinney 2008-12-2 9930 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR210450  Erodium cicutarium R. G. Swinney 2008-11-30 9875 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  UCR210478  Echinochloa crus-galli R. G. Swinney 2008-11-30 9899 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCR210482  Datura wrightii R. G. Swinney 2008-12-2 9926 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR210494  Cuscuta subinclusa R. G. Swinney 2008-11-30 9861 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  UCR210497  Castilleja minor subsp. spiralis R. G. Swinney 2008-12-6 9955 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  UCR210501  Cleistocactus R. G. Swinney 2008-12-6 9961 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  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
  UCR210523  Pellaea mucronata R. G. Swinney 2008-11-30 9893 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Canyon, 1.6 mi. north of Foothill Blvd. at El Encanto Dr., at confluence with Fish Canyon 210 Comment
  UCR210526  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2008-12-6 9957 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  UCR210529  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
  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
  UCR210636  Brickellia californica R. G. Swinney 2008-10-22 9676 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  UCR210708  Dysphania botrys R. G. Swinney 2008-9-10 9413 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  UCR210715  Stephanomeria cichoriacea R. G. Swinney 2008-10-22 9673 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
  UCR210740  Sambucus mexicana R. G. Swinney 2009-1-19 9994 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCR216756  Oxalis pes-caprae R. G. Swinney 2009-2-20 10008 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR216860  Spergularia bocconi R. G. Swinney 2009-3-12 10102 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  UCR216873  Ceanothus sorediatus R. G. Swinney 2009-3-16 10117 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  UCR216876  Salvia mellifera R. G. Swinney 2009-3-13 10114 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
  UCR216879  Gamochaeta pensylvanica R. G. Swinney 2009-3-13 10113 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
  UCR216895  Eucrypta chrysanthemifolia R. G. Swinney 2009-2-20 10030 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
  UCR216906  Eriodictyon trichocalyx R. G. Swinney 2009-3-17 10132 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, El Encanto Azusa River Wilderness Park, between Hwy 39 and the San Gabriel River 296 Comment
  UCR216909  Salix gooddingii R. G. Swinney 2009-3-16 10125 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  UCR216911  Galium angustifolium R. G. Swinney 2009-3-17 10129 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, El Encanto Azusa River Wilderness Park, between Hwy 39 and the San Gabriel River 296 Comment
  UCR216914  Melilotus indicus R. G. Swinney 2009-3-16 10120 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  UCR216917  Gazania linearis R. G. Swinney 2009-3-16 10124 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  UCR217128  Malva parviflora R. G. Swinney 2009-3-10 10074 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR217312  Woodwardia fimbriata R. G. Swinney 2009-2-26 10035 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR217435  Ceanothus sorediatus R. G. Swinney 2009-2-26 10046 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR219400  Rhus aromatica R. G. Swinney 2009-3-25 10160 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
  UCR219412  Salix laevigata R. G. Swinney 2009-3-26 10168 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  UCR219422  Dichelostemma capitatum R. G. Swinney 2009-4-1 10232 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 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
  UCR219434  Epilobium ciliatum R. G. Swinney 2009-3-28 10184 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR219437  Baccharis salicifolia R. G. Swinney 2009-3-28 10180 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR219448  Galium aparine R. G. Swinney 2009-3-28 10198 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
  UCR219460  Hedypnois cretica R. G. Swinney 2009-3-26 10163 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  UCR219473  Gnaphalium luteoalbum R. G. Swinney 2009-3-31 10220 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 0.7-1.2 mi. north and NE of Foothill Blvd, Azusa/Duarte 213 Comment
  UCR219476  Lupinus truncatus R. G. Swinney 2009-3-19 10144 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  UCR219479  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 River channel, c. 100 m north of Hwy 39 230 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
  UCR219565  Euphorbia peplus R. G. Swinney 2009-3-28 10206 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
  UCR219894  Lotus heermannii R. G. Swinney, Jane Strong 2009-4-21 10424 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
  UCR219897  Lasthenia gracilis R. G. Swinney 2009-4-24 10429 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR219908  Camissonia micrantha R. G. Swinney, Jane Strong 2009-4-21 10414 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
  UCR219915  Cyclospermum leptophyllum R. G. Swinney, Jane Strong 2009-4-21 10422 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
  UCR219925  Urtica dioica subsp. holosericea R. G. Swinney, Jane Strong 2009-4-21 10404 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
  UCR219940  Tamarix ramosissima R. G. Swinney 2009-4-16 10367 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
  UCR220043  Phacelia distans R. G. Swinney 2009-4-24 10455 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220046  Camissonia campestris R. G. Swinney 2009-4-24 10456 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220049  Plagiobothrys arizonicus R. G. Swinney 2009-4-24 10450 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220050  Minuartia douglasii R. G. Swinney 2009-4-24 10449 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220160  Poa secunda R. G. Swinney 2009-4-2 10264 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
  UCR220173  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, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR220176  Salix lasiolepis R. G. Swinney, Jane Strong 2009-4-7 10311 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  UCR220179  Baccharis salicifolia R. G. Swinney, Jane Strong 2009-4-7 10308 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  UCR220195  Eriophyllum confertiflorum R. G. Swinney 2009-4-7 10300 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
  UCR220235  Lotus salsuginosus R. G. Swinney 2009-4-13 10319 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
  UCR220243  Marrubium vulgare R. G. Swinney 2009-4-15 10340 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  UCR220246  Lupinus concinnus R. G. Swinney 2009-4-28 10519 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR220249  Camissonia pallida R. G. Swinney 2009-4-28 10514 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  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
  UCR220278  Lupinus bicolor R. G. Swinney 2009-4-24 10488 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR220282  Camissonia R. G. Swinney 2009-4-24 10484 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR220291  Sisymbrium altissimum R. G. Swinney 2009-4-24 10475 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR220351  Chenopodium murale R. G. Swinney 2009-4-13 10329 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR220354  Geranium incanum R. G. Swinney 2009-4-13 10326 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
  UCR220357  Galium angustifolium R. G. Swinney 2009-4-15 10339 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  UCR220365  Cyclospermum leptophyllum R. G. Swinney 2009-4-16 10346 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, confluence of Van Tassel and San Gabriel canyons, 1.3 miles north of Foothill Blvd., on both side of El Encanto Parkway 183 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
  UCR222721  Lupinus bicolor R. G. Swinney 2009-5-12 10727 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
  UCR222724  Chaenactis stevioides R. G. Swinney 2009-5-12 10724 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR222732  Phacelia distans R. G. Swinney 2009-5-12 10735 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  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
  UCR222766  Amorpha californica R. G. Swinney 2009-5-8 10696 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR222769  Keckiella cordifolia R. G. Swinney 2009-5-8 10693 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR222785  Pectocarya setosa R. G. Swinney 2009-4-28 10552 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222843  Camissonia boothii R. G. Swinney 2009-5-12 10750 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
  UCR222846  Cryptantha oxygona R. G. Swinney 2009-4-28 10544 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222849  Phacelia distans R. G. Swinney 2009-5-12 10716 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  UCR222850  Delphinium parishii R. G. Swinney 2009-5-12 10715 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  UCR222984  Juniperus californica R. G. Swinney 2009-5-5 10644 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
  UCR223038  Cryptantha decipiens R. G. Swinney 2009-5-6 10675 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
  UCR223041  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-5-6 10677 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223047  Perideridia pringlei R. G. Swinney 2009-5-6 10655 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
  UCR223052  Amsinckia vernicosa R. G. Swinney 2009-5-5 10651 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  UCR223075  Elymus elymoides R. G. Swinney 2009-5-13 10780 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
  UCR223080  Salix lasiolepis R. G. Swinney 2009-5-13 10775 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
  UCR223093  Sarcodes sanguinea R. G. Swinney 2009-6-2 11009 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223102  Stipa speciosa R. G. Swinney 2009-5-12 10732 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
  UCR223110  Tetradymia axillaris var. longispina R. G. Swinney 2009-5-13 10797 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
  UCR223120  Lycium cooperi R. G. Swinney 2009-5-13 10792 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
  UCR223133  Gnaphalium canescens subsp. beneolens R. G. Swinney 2009-7-22 11350 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 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
  UCR223145  Symphoricarpos rotundifolius var. parishii R. G. Swinney 2009-7-22 11327 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223162  Alnus rhombifolia R. G. Swinney 2009-5-27 10897 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223174  Oxytheca trilobata R. G. Swinney 2009-7-22 11316 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  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
  UCR223198  Leptodactylon pungens R. G. Swinney 2009-7-22 11305 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR223238  Orobanche R. G. Swinney 2009-5-27 10881 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223241  Eriogonum R. G. Swinney 2009-7-23 11374 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
  UCR223244  Perideridia gairdneri R. G. Swinney 2009-7-22 11364 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223252  Erysimum capitatum R. G. Swinney 2009-7-29 11415 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223275  Galium jepsonii R. G. Swinney 2009-7-29 11447 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223280  Gayophytum R. G. Swinney 2009-7-29 11420 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223293  Cuscuta subinclusa R. G. Swinney 2009-7-23 11380 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
  UCR223296  Eriogonum saxatile R. G. Swinney 2009-7-23 11377 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223299  Ericameria parryi R. G. Swinney 2009-7-29 11423 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223308  Rhamnus californica subsp. tomentella R. G. Swinney 2009-5-20 10850 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 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
  UCR223325  Monardella linoides R. G. Swinney 2009-8-25 11466 Los Angeles Transverse Range; San Gabriel Mtns., west summit of Table Mountain, NE of Big Pines 2291 Comment
  UCR223340  Potentilla glandulosa R. G. Swinney 2009-5-20 10840 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223353  Centrostegia thurberi R. G. Swinney 2009-5-20 10836 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223356  Arenaria macradenia R. G. Swinney 2009-5-20 10823 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
  UCR223359  Galium hilendiae R. G. Swinney 2009-5-20 10828 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223368  Ceanothus vestitus R. G. Swinney 2009-5-20 10821 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR223381  Lepidium virginicum var. pubescens R. G. Swinney 2009-5-27 10884 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223392  Adenostoma fasciculatum R. G. Swinney 2009-7-29 11402 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223403  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-23 11400 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
  UCR223406  Horkelia rydbergii R. G. Swinney 2009-7-23 11396 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
  UCR223458  Agoseris retrorsa R. G. Swinney 2009-6-8 11097 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
  UCR223466  Bromus tectorum R. G. Swinney 2009-5-28 10923 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223469  Koeleria macrantha R. G. Swinney 2009-5-28 10927 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223470  Poa secunda R. G. Swinney 2009-5-28 10928 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223485  Galium porrigens R. G. Swinney 2009-6-8 11065 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223538  Chaenactis glabriuscula R. G. Swinney 2009-5-27 10904 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  UCR223541  Carex fracta R. G. Swinney 2009-6-2 11002 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223544  Rhamnus californica R. G. Swinney 2009-6-2 11005 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223547  Potentilla glandulosa R. G. Swinney 2009-6-2 11000 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223552  Datisca glomerata R. G. Swinney 2009-6-2 10994 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223575  Festuca myuros R. G. Swinney 2009-6-3 11035 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
  UCR223593  Carex R. G. Swinney 2009-6-8 11082 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
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Sep 12 2018
  UCR223596  Cryptantha simulans R. G. Swinney 2009-6-8 11090 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
  UCR223599  Penstemon centranthifolius R. G. Swinney 2009-6-8 11087 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
  UCR223605  Trifolium monanthum R. G. Swinney 2009-6-8 11078 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
  UCR223618  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-17 11213 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR223651  Cercocarpus betuloides R. G. Swinney 2009-6-24 11267 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR223654  Lonicera interrupta R. G. Swinney 2009-6-24 11270 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
  UCR223657  Mentzelia veatchiana R. G. Swinney 2009-6-24 11256 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
  UCR223665  Ageratina adenophora R. G. Swinney 2009-6-12 11133 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223683  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2009-6-12 11150 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39, near road shoulder 226 Comment
  UCR223686  Ribes cereum R. G. Swinney 2009-8-25 11485 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
  UCR223689  Camissoniopsis hirtella R. G. Swinney 2009-6-24 11258 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
  UCR223690  Eriastrum densifolium R. G. Swinney 2009-6-24 11259 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
  UCR223700  Koeleria macrantha R. G. Swinney 2009-6-24 11244 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223722  Lotus strigosus R. G. Swinney 2009-6-8 11109 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
  UCR223731  Antirrhinum coulterianum R. G. Swinney 2009-6-12 11138 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
  UCR223734  Yucca whipplei R. G. Swinney 2009-6-12 11152 Los Angeles Transverse Range; San Gabriel Mtns., El Encanto Azusa River Wilderness Park 296 Comment
  UCR223748  Ceanothus leucodermis R. G. Swinney 2009-6-24 11228 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223760  Cercocarpus betuloides R. G. Swinney 2009-5-28 10975 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223773  Stephanomeria virgata R. G. Swinney 2009-6-17 11178 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
  UCR223776  Cirsium occidentale var. californicum R. G. Swinney 2009-6-17 11156 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223779  Agoseris retrorsa R. G. Swinney 2009-6-17 11160 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223795  Ceanothus integerrimus R. G. Swinney 2009-8-25 11476 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
  UCR223808  Opuntia basilaris var. brachyclada R. G. Swinney 2009-6-17 11164 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223815  Mentzelia veatchiana R. G. Swinney 2009-6-17 11181 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
  UCR224261  Penstemon centranthifolius R. G. Swinney 2009-6-24 11275 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR224264  Sisymbrium altissimum R. G. Swinney 2009-6-24 11278 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR224267  Eriogonum R. G. Swinney 2009-6-24 11271 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
  UCR239941  Juncus rugulosus R. G. Swinney 2009-11-16 11632 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
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Mar 13 2013
  UCR239944  Ericameria pinifolia R. G. Swinney 2009-11-16 11629 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
  UCR239947  Eriastrum densifolium R. G. Swinney 2009-11-16 11628 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  UCR239975  Artemisia dracunculus R. G. Swinney 2009-11-16 11639 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
  UCR239980  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-11-13 11610 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
  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
  UCR240003  Leptochloa fusca subsp. uninervia R. G. Swinney 2009-11-9 11594 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  UCR240006  Bidens frondosa R. G. Swinney 2009-11-9 11587 A 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
  UCR240014  Eriogonum giganteum R. G. Swinney 2009-11-9 11581 Los Angeles Transverse Range; San Gabriel Mountains, confluence of Burro Canyon and East Fork San Gabriel River along Hwy 39 451 Comment
  UCR240017  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 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
  UCR240027  Phoradendron bolleanum R. G. Swinney 2009-11-13 11614 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
  UCR243007  Cirsium vulgare R. G. Swinney 2009-8-6 11526 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
  UCR243013  Stachys albens R. G. Swinney 2009-8-6 11524 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
  UCR243016  Conyza floribunda R. G. Swinney 2009-8-6 11520 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR243019  Pseudognaphalium luteoalbum R. G. Swinney 2009-8-6 11517 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR243023  Epilobium ciliatum R. G. Swinney 2009-8-6 11532 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR243026  Equisetum laevigatum R. G. Swinney 2009-8-6 11529 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
  UCR243029  Nasturtium officinale R. G. Swinney 2009-8-6 11540 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR243030  Artemisia douglasiana R. G. Swinney 2009-8-6 11539 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR252562  Caulanthus amplexicaulis R. G. Swinney 2010-6-21 13263 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
  UCR252571  Ceanothus leucodermis R. G. Swinney 2010-6-21 13255 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
  UCR252574  Calochortus plummerae R. G. Swinney 2010-6-21 13252 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR252577  Nicotiana attenuata R. G. Swinney 2010-5-11 12668 A Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR252735  Camissonia californica R. G. Swinney 2010-5-29 13410 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR252743  Pseudognaphalium californicum R. G. Swinney 2010-5-29 13417 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR252746  Pinus flexilis R. G. Swinney 2001-8-27 8096 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  UCR252749  Parthenocissus vitacea R. G. Swinney 2010-9-1 13643 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252778  Cerastium glomeratum R. G. Swinney 2010-3-10 11795 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR252782  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-10 11799 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR252885  Filago californica R. G. Swinney 2010-5-11 12657 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
  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
  UCR255771  Phacelia minor R. G. Swinney 2010-5-4 12487 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
  UCR255774  Filago gallica R. G. Swinney 2010-5-4 12492 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
  UCR255777  Salix exigua R. G. Swinney 2010-4-15 12265 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  UCR255805  Pectocarya penicillata R. G. Swinney 2010-5-12 12751 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
  UCR255818  Cryptantha muricata R. G. Swinney 2010-5-4 12498 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
  UCR255828  Hordeum murinum R. G. Swinney 2010-5-12 12736 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
  UCR255842  Dichelostemma capitatum R. G. Swinney 2010-3-10 11828 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
  UCR256140  Rubus leucodermis R. G. Swinney 2010-10-13 14030 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR256156  Adiantum jordanii R. G. Swinney 2010-6-4 13051 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
  UCR256159  Eschscholzia californica R. G. Swinney 2010-6-4 13068 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
  UCR256168  Festuca myuros R. G. Swinney 2010-3-22 12001 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
  UCR256181  Turricula parryi R. G. Swinney 2010-9-23 13871 Los Angeles San Gabriel Mountains, c. 0.45 miles east of Windy Gap on the same ridge, along the PCT trail 2451 Comment
  UCR256184  Chaenactis artemisiifolia R. G. Swinney 2010-6-4 13070 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256187  Chrysolepis sempervirens R. G. Swinney 2010-9-23 13879 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UCR256192  Dysphania botrys R. G. Swinney 2010-6-4 13057 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
  UCR256203  Nama demissa R. G. Swinney 2010-5-19 12837 A Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  UCR256211  Arabis repanda var. repanda R. G. Swinney 2010-10-13 14036 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR256217  Ribes malvaceum R. G. Swinney 2010-6-4 13026 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
  UCR256221  Silene laciniata subsp. major R. G. Swinney 2010-6-4 13036 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
  UCR256224  Glycyrrhiza lepidota R. G. Swinney 2010-6-4 13033 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
  UCR256227  Trichostema lanatum R. G. Swinney 2010-6-4 13047 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
  UCR256232  Cuscuta californica R. G. Swinney 2010-6-4 13042 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
  UCR256263  Elymus trachycaulus R. G. Swinney 2010-10-13 14047 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 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
  UCR256270  Lepidospartum squamatum R. G. Swinney 2010-3-22 12087 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 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
  UCR256441  Cynodon dactylon R. G. Swinney 2010-6-4 13025 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256447  Ericameria nauseosa subsp. nauseosa R. G. Swinney 2010-9-9 13762 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR256452  Epilobium ciliatum R. G. Swinney 2010-9-9 13771 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR256475  Nicotiana glauca R. G. Swinney 2010-6-8 13207 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
  UCR256622  Eriogonum wrightii var. subscaposum R. G. Swinney 2010-9-9 13760 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
  UCR256833  Carex R. G. Swinney 2010-10-13 14017 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
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Sep 12 2018
  UCR256836  Polygonum lapathifolium R. G. Swinney 2010-8-16 13545 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256839  Heteromeles arbutifolia R. G. Swinney 2010-8-16 13560 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256845  Marrubium vulgare R. G. Swinney 2010-8-16 13557 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256862  Polygonum aviculare R. G. Swinney 2010-8-16 13541 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256871  Asclepias fascicularis R. G. Swinney 2010-6-8 13215 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
  UCR256874  Lupinus succulentus R. G. Swinney 2010-6-8 13212 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
  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
  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
  UCR258507  Asclepias eriocarpa R. G. Swinney 2010-9-13 13813 Los Angeles San Gabriel Mountains, Crystal Lake, c. 200 meters north of lake near parking area 1729 Comment
  UCR258513  Quercus chrysolepis R. G. Swinney 2010-9-13 13812 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  UCR258516  Limosella acaulis R. G. Swinney 2010-9-13 13803 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  UCR258519  Lobelia dunnii var. serrata R. G. Swinney 2010-8-9 13475 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  UCR258523  Polystichum imbricans R. G. Swinney 2010-8-9 13480 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  UCR258526  Carex R. G. Swinney 2010-6-23 13312 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
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Sep 12 2018
  UCR258529  Salix lucida subsp. lasiandra R. G. Swinney 2010-6-23 13314 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
  UCR258530  Lemna R. G. Swinney 2010-6-23 13330 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
  UCR258555  Sisymbrium orientale R. G. Swinney 2010-5-29 13021 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR258561  Malacothrix saxatilis R. G. Swinney 2010-5-29 13011 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
  UCR258567  Phacelia ramosissima R. G. Swinney 2010-5-29 13016 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
  UCR258572  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-29 13006 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
  UCR258610  Tribulus terrestris R. G. Swinney 2010-6-23 13320 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
  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
  UCR258708  Stellaria media R. G. Swinney 2010-3-16 11934 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258715  Avena barbata R. G. Swinney 2010-5-19 12831 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 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
  UCR258756  Microseris lindleyi R. G. Swinney 2010-5-25 12959 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
  UCR258759  Juncus bufonius R. G. Swinney 2010-5-11 12694 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
  UCR258784  Salvia mellifera R. G. Swinney 2010-5-25 12969 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
  UCR258787  Pseudognaphalium californicum R. G. Swinney 2010-5-25 12963 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
  UCR258800  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-25 12966 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258822  Encelia californica R. G. Swinney 2010-3-16 11923 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
  UCR258831  Sonchus oleraceus R. G. Swinney 2010-4-23 12341 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258834  Avena barbata R. G. Swinney 2010-3-22 12021 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258848  Raphanus sativus R. G. Swinney 2010-3-16 11907 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
  UCR258860  Calyptridium monandrum R. G. Swinney 2010-5-19 12818 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
  UCR258876  Veronica anagallis-aquatica R. G. Swinney 2010-5-7 12620 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  UCR258879  Amaranthus albus R. G. Swinney 2010-8-16 13530 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR258895  Silene gallica R. G. Swinney 2010-4-30 12469 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  UCR258903  Bromus rubens R. 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
  UCR258906  Quercus agrifolia R. G. Swinney 2010-8-16 13529 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR258909  Polycarpon tetraphyllum R. G. Swinney 2010-4-23 12354 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258911  Pseudognaphalium biolettii R. G. Swinney 2010-4-23 12352 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258914  Rhus ovata R. G. Swinney 2010-5-25 12961 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
  UCR258917  Juncus xiphioides R. G. Swinney 2010-9-13 13815 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
  UCR258921  Datura wrightii R. G. Swinney 2010-5-7 12617 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
  UCR258927  Gazania linearis R. G. Swinney 2010-4-20 12276 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 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
  UCR258958  Sonchus oleraceus R. G. Swinney 2010-2-27 11751 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
  UCR258963  Baccharis salicifolia R. G. Swinney 2010-2-27 11747 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
  UCR258966  Schinus molle R. G. Swinney 2010-2-27 11760 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
  UCR259040  Cistus incanus R. G. Swinney 2010-6-21 13306 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
  UCR259053  Foeniculum vulgare R. G. Swinney 2010-6-23 13322 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
  UCR259068  Rumex hymenosepalus R. G. Swinney 2010-5-12 12768 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
  UCR259084  Baccharis sarothroides R. G. Swinney 2010-10-15 14063 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR259087  Atriplex canescens subsp. canescens R. G. Swinney 2010-10-15 14065 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR259092  Equisetum hyemale R. G. Swinney 2010-10-15 14061 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR259124  Solanum umbelliferum R. G. Swinney 2010-5-4 12523 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
  UCR259132  Sambucus nigra subsp. caerulea R. G. Swinney 2010-5-4 12532 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UCR259158  Chenopodium berlandieri R. G. Swinney 2010-8-30 13609 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
  UCR259163  Castilleja applegatei R. G. Swinney 2010-6-23 13363 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
  UCR259166  Camissonia hirtella R. G. Swinney 2010-6-23 13354 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
  UCR259170  Lupinus sparsiflorus R. 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
  UCR259185  Pseudognaphalium californicum R. G. Swinney 2010-4-28 12380 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
  UCR259253  Salix laevigata R. G. Swinney 2010-6-4 12996 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
  UCR259256  Juncus balticus R. G. Swinney 2010-6-4 12999 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR259259  Pseudognaphalium luteoalbum R. G. Swinney 2010-9-9 13745 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
  UCR259268  Lomatium dasycarpum R. G. Swinney 2010-3-14 11901 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  UCR259281  Salvia apiana R. G. Swinney 2010-6-4 12989 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
  UCR259352  Eriogonum baileyi R. G. Swinney 2010-9-7 13709 13680 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259375  Alnus rhombifolia R. G. Swinney 2010-8-26 13585 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR259393  Phacelia ramosissima R. G. Swinney 2010-8-30 13627 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
  UCR259396  Clematis ligusticifolia R. G. Swinney 2010-9-9 13733 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR259399  Dryopteris arguta R. G. Swinney 2010-8-30 13637 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR259402  Sonchus oleraceus R. G. Swinney 2010-8-30 13635 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR259462  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
  UCR259553  Verbena lasiostachys R. G. Swinney 2010-9-7 13716 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259556  Leptodactylon pungens R. G. Swinney 2010-9-7 13693 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259559  Bromus tectorum R. G. Swinney 2010-9-7 13692 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259568  Bromus rubens R. G. Swinney 2010-4-15 12229 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 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
  UCR259584  Salvia mellifera R. G. Swinney 2010-4-15 12231 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259592  Amaranthus albus R. G. Swinney 2010-9-7 13678 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259643  Festuca myuros R. G. Swinney 2010-4-1 12126 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCR259646  Lotus strigosus R. G. Swinney 2010-4-1 12129 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
  UCR259649  Ericameria nauseosa subsp. nauseosa R. G. Swinney 2010-9-7 13676 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
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Oct 12 2018
  UCR259650  Epilobium ciliatum R. G. Swinney 2010-9-7 13729 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  UCR259682  Cryptantha intermedia R. G. Swinney 2010-4-1 12124 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
  UCR259755  Schismus barbatus R. G. Swinney 2010-5-11 12628 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
  UCR259761  Festuca myuros R. G. Swinney 2010-5-11 12639 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
  UCR259764  Brassica geniculata R. G. Swinney 2010-4-28 12385 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
  UCR259767  Salvia columbariae R. G. Swinney 2010-4-28 12421 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
  UCR259772  Gilia capitata R. G. Swinney 2010-4-28 12391 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
  UCR259893  Atriplex canescens R. G. Swinney 2010-6-1 13076 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  UCR259896  Phoradendron bolleanum R. G. Swinney 2010-6-1 13084 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  UCR259899  Hordeum murinum R. G. Swinney 2010-3-18 11988 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCR259905  Lupinus sparsiflorus R. G. Swinney 2010-3-16 11951 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR259918  Lotus scoparius subsp. scoparius R. G. Swinney 2010-3-16 11948 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR259928  Eulobus californicus R. G. Swinney 2010-3-18 11974 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
  UCR259951  Lupinus truncatus R. G. Swinney 2010-4-28 12434 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
  UCR259954  Avena barbata R. G. Swinney 2010-4-28 12428 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
  UCR259965  Cryptantha microstachys R. G. Swinney 2010-3-18 11981 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
  UCR259983  Rhus aromatica R. G. Swinney 2010-6-8 13181 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
  UCR259986  Eriogonum davidsonii R. G. Swinney 2010-10-8 14002 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  UCR259989  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-10-8 13999 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  UCR259990  Equisetum laevigatum R. G. Swinney 2010-3-16 11960 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR260325  Solanum douglasii R. G. Swinney 2010-5-4 12543 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
  UCR260340  Lotus salsuginosus R. G. Swinney 2010-5-4 12539 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
  UCR260353  Sisymbrium irio R. G. Swinney 2010-5-4 12546 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
  UCR260368  Lamarckia aurea R. G. Swinney 2010-4-30 12443 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
  UCR260381  Melica imperfecta R. G. Swinney 2010-4-23 12374 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR260384  Melia azedarach R. G. Swinney 2010-4-1 12156 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
  UCR260387  Lithophragma R. G. Swinney 2010-6-21 13289 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
  UCR260392  Erodium cicutarium R. G. Swinney 2010-2-27 11667 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
  UCR260403  Stylocline gnaphaloides R. G. Swinney 2010-2-27 11668 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
  UCR260406  Hypochaeris glabra R. G. Swinney 2010-4-30 12457 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
  UCR260409  Thysanocarpus laciniatus var. laciniatus R. G. Swinney 2010-4-30 12454 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
  UCR260618  Encelia californica R. G. Swinney 2010-4-23 12375 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR260628  Chorizanthe coriacea R. G. Swinney 2010-4-23 12377 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
  UCR260795  Lessingia glandulifera var. glandulifera R. G. Swinney 2010-6-23 13336 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, 0.1-0.4 miles E of Orcas Park on N side of Big Tujunga Wash, east end of survey area due south of Christy Ave. 331 Comment
  UCR261133  Schismus barbatus R. G. Swinney 2010-6-21 13271 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
  UCR261325  Mirabilis laevis R. G. Swinney 2010-3-13 11875 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR261353  Echinochloa crus-galli R. G. Swinney 2010-6-29 13379 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  UCR261356  Emmenanthe penduliflora R. G. Swinney 2010-3-13 11889 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR261359  Cuscuta R. G. Swinney 2010-3-24 12173 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UCR261384  Pseudognaphalium canescens R. G. Swinney 2010-2-27 11717 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
  UCR261387  Senecio vulgaris R. G. Swinney 2010-2-27 11720 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
  UCR261538  Stellaria media R. G. Swinney 2010-2-27 11703 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
  UCR261541  Stellaria media R. G. Swinney 2010-2-27 11705 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
  UCR261544  Pittosporum undulatum R. G. Swinney 2010-2-27 11708 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
  UCR261552  Eclipta prostrata R. G. Swinney 2010-6-29 13377 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  UCR261596  Phacelia minor R. G. Swinney 2010-6-29 13373 B Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  UCR261773  Sisymbrium altissimum R. G. Swinney 2010-5-11 12685 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
  UCR261776  Camissonia strigulosa R. G. Swinney 2010-5-11 12675 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
  UCR261779  Aster greatae R. G. Swinney 2010-9-13 13844 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
  UCR269934  Rhamnus ilicifolia R. G. Swinney 2010-5-7 12590 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
  UCR269937  Helianthus annuus R. G. Swinney 2010-4-15 12242 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
  UCR269948  Cryptantha barbigera var. barbigera R. G. Swinney 2010-5-19 12783 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
  UCR269960  Salsola tragus R. G. Swinney 2010-5-7 12568 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  UCR269973  Leptosyne bigelovii R. G. Swinney 2010-6-1 13115 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  UCR269976  Cryptantha oxygona R. G. Swinney 2010-5-19 12775 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR269979  Caulanthus lasiophyllus var. rigidus R. G. Swinney 2010-5-19 12790 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR269995  Muilla maritima R. G. Swinney 2010-5-19 12798 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR270000  Schismus arabicus R. G. Swinney 2010-5-19 12787 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
  UCR270012  Ericameria linearifolia R. G. Swinney 2010-6-1 13123 Los Angeles San Gabriel Mountains, lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  UCR270022  Mentzelia R. G. Swinney 2010-6-1 13104 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
  UCR270031  Pseudognaphalium californicum R. G. Swinney 2011-4-9 14389 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
  UCR270037  Epilobium canum subsp. canum R. G. Swinney 2011-7-21 15540 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270048  Camissonia campestris subsp. campestris R. G. Swinney 2011-4-20 14432 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  UCR270073  Quercus durata var. gabrielensis R. G. Swinney 2011-3-17 14126 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270095  Linanthus aureus subsp. aureus R. G. Swinney 2011-4-20 14439 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
  UCR270146  Turritis glabra R. G. Swinney 2011-4-9 14382 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
  UCR270149  Umbellularia californica R. G. Swinney 2011-4-9 14369 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
  UCR270150  Cryptantha similis R. G. Swinney 2011-4-20 14426 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
  UCR270222  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-6-15 15168 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  UCR270231  Eschscholzia californica R. G. Swinney 2011-6-30 15375 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270234  Spartium junceum R. G. Swinney 2011-11-1 15955 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
  UCR270248  Horkelia rydbergii R. G. Swinney 2011-10-10 15748 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
  UCR270301  Pteridium aquilinum R. G. Swinney 2011-6-30 15403 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270451  Calyptridium monandrum R. G. Swinney 2011-5-12 14665 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
  UCR270454  Layia glandulosa R. G. Swinney 2011-5-12 14662 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
  UCR270457  Mimulus guttatus R. G. Swinney 2011-6-30 15411 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270465  Dicentra chrysantha R. G. Swinney 2011-6-30 15415 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 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
  UCR270490  Acer macrophyllum R. G. Swinney 2011-11-1 15946 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
  UCR270500  Caulanthus cooperi R. G. Swinney 2011-4-1 14312 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
  UCR270512  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-26 14855 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
  UCR270522  Salvia columbariae R. G. Swinney 2010-4-13 12182 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
  UCR270531  Phacelia fremontii R. G. Swinney 2011-5-12 14664 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
  UCR270534  Stipa coronata R. G. Swinney 2010-4-13 12177 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR270537  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  UCR270663  Lotus oblongifolius R. G. Swinney 2011-6-29 15353 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270666  Rumex salicifolius R. G. Swinney 2011-6-29 15357 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270669  Stipa speciosa R. G. Swinney 2011-6-29 15328 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill 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
  UCR270685  Osmorhiza brachypoda R. G. Swinney 2011-8-17 15644 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270799  Melica imperfecta R. G. Swinney 2010-4-13 12197 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR270801  Stipa speciosa R. G. Swinney 2010-6-1 13116 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
  UCR270807  Agrostis idahoensis R. G. Swinney 2011-8-17 15623 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270813  Salvia columbariae R. G. Swinney 2011-5-24 14831 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
  UCR270823  Lotus unifoliolatus R. G. Swinney 2010-6-29 13392 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  UCR270826  Gnaphalium californicum R. G. Swinney 2011-5-24 14827 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
  UCR270829  Thysanocarpus laciniatus R. G. Swinney 2011-5-24 14824 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
  UCR270830  Pectocarya setosa R. G. Swinney 2011-5-24 14823 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
  UCR270861  Ribes roezlii var. roezlii R. G. Swinney 2011-8-17 15640 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270864  Heliotropium curassavicum var. oculatum R. G. Swinney 2010-6-29 13394 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  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
  UCR270872  Mimulus cardinalis R. G. Swinney 2011-8-17 15633 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270888  Sagina saginoides R. G. Swinney 2011-8-17 15629 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270902  Mimulus moschatus R. G. Swinney 2011-8-17 15643 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270920  Calystegia macrostegia subsp. arida R. G. Swinney, Cody Clarke and 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 deg. ) NNW of the trailhead 451 Comment
  UCR270933  Prunus ilicifolia R. G. Swinney 2011-4-28 14540 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
  UCR270936  Lotus strigosus R. G. Swinney 2011-6-14 15123 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 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
  UCR270971  Spergularia bocconi R. G. Swinney 2011-4-28 14554 Los Angeles San Gabriel Mountains, north of Glendora, 0.5 miles south of the ridge immediately south of Persinger Cyn. on east side of Glendora Mountain Rd 927 Comment
  UCR270974  Lupinus bicolor R. G. Swinney 2011-4-28 14553 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
  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
  UCR271048  Lupinus concinnus subsp. concinnus R. G. Swinney 2011-6-6 15018 A 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
  UCR271073  Quercus X grandidentata R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14354 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  UCR271076  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-5-26 14859 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
  UCR271079  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-6-14 15131 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR271135  Uropappus lindleyi R. G. Swinney 2011-4-20 14456 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
  UCR271143  Platanthera dilatata var. leucostachys R. G. Swinney 2011-9-27 15698 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
  UCR271146  Eriogonum davidsonii R. G. Swinney 2011-6-14 15111 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR271149  Hulsea heterochroma R. G. Swinney 2011-7-8 15511 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
  UCR271150  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-8 15480 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCR271178  Penstemon labrosus R. G. Swinney 2011-9-27 15717 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  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
  UCR271191  Lupinus bicolor R. G. Swinney 2011-6-6 14996 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR271194  Agoseris retrorsa R. G. Swinney 2011-6-6 14994 A Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 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
  UCR271200  Quercus durata var. gabrielensis R. G. Swinney 2011-11-1 15942 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
  UCR271212  Layia platyglossa R. G. Swinney 2011-4-20 14453 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
  UCR271222  Phacelia imbricata subsp. imbricata R. G. Swinney 2011-6-1 14964 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
  UCR271231  Hulsea vestita subsp. gabrielensis R. G. Swinney 2011-6-14 15116 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 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
  UCR271248  Phacelia brachyloba R. G. Swinney 2011-6-1 14970 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  UCR271301  Ericameria parishii R. G. Swinney 2011-10-10 15749 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
  UCR271304  Penstemon grinnellii R. G. Swinney 2011-10-10 15753 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 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
  UCR271316  Camissoniopsis hirtella R. G. Swinney 2011-5-12 14670 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
  UCR271319  Artemisia douglasiana R. G. Swinney 2011-10-10 15727 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
  UCR271323  Microseris lindleyi R. G. Swinney 2011-5-12 14680 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
  UCR271465  Eriodictyon parryi R. G. Swinney 2011-6-14 15153 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 1671 Comment
  UCR271483  Collinsia parviflora R. G. Swinney 2011-5-3 14570 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271486  Ranunculus hebecarpus R. G. Swinney 2011-5-3 14561 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271489  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271490  Collinsia heterophylla R. G. Swinney 2011-5-3 14556 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271534  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  UCR271537  Sonchus asper R. G. Swinney 2011-3-18 14167 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR271548  Brickellia californica R. G. Swinney 2011-11-3 15992 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  UCR271560  Festuca myuros R. G. Swinney 2011-3-18 14147 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR271573  Caulanthus amplexicaulis R. G. Swinney 2011-5-19 14789 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
  UCR271576  Chaenactis glabriuscula R. G. Swinney 2011-5-19 14790 A 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
  UCR271579  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-6-23 15290 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR271595  Galium porrigens R. G. Swinney 2011-5-19 14781 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
  UCR271603  Salix lasiolepis R. G. Swinney 2011-10-13 15774 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 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
  UCR271611  Quercus agrifolia var. agrifolia R. G. Swinney 2011-11-3 15987 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
  UCR271658  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 1113 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
  UCR271670  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 NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCR271738  Alnus rhombifolia R. G. Swinney 2011-10-27 15911 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  UCR271741  Pellaea andromedifolia R. G. Swinney 2011-3-26 14228 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
  UCR271747  Erysimum capitatum R. G. Swinney 2011-3-26 14230 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
  UCR271752  Cotula australis R. G. Swinney 2011-3-26 14222 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR271793  Marah macrocarpa R. G. Swinney 2010-5-7 12589 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
  UCR271801  Marah macrocarpa R. G. Swinney 2010-3-24 12073 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
  UCR271804  Bromus rubens R. G. Swinney 2010-3-24 12056 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
  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