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/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC266935  Eriogonum parishii R. G. Swinney 2008-7-24 9274 Los Angeles Waterman Mounain, San Gabriel Mtns. 2450 Comment
  CAS-BOT-BC326708  Pleiacanthus spinosus R. G. Swinney 2009-8-25 11465 Los Angeles West summit of Table Mountain, NE of Big Pines, San Gabriel Mtns., Transverse Range 2290 Comment
  CAS-BOT-BC334205  Prunus fasciculata R. G. Swinney 2009-5-13 10795 Los Angeles Transverse Range; San Gabriel Mtns. Foothills. Bobs Gap, 3.7 miles S of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  CAS-BOT-BC482463  Baccharis salicifolia R. G. Swinney 2010-4-30 12463 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-BC482465  Layia glandulosa R. G. Swinney 2010-5-12 12755 Los Angeles San Gabriel Mountains: Soledad Canyon near Kentucky Springs, 2.2 mi W of Angeles Forest Hwy, 1.4 mi W of Cincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the S side of West Carson Mesa Rd 921 Comment
  CAS-BOT-BC518729  Keckiella ternata var. ternata R. G. Swinney 2011-6-29 15363 Los Angeles San Gabriel Mountains: Mill Creek, from 50 to 300 meters downstream (S) from Monte Cristo Campground 1082 Comment
  CAS-BOT-BC520323  Nemacladus sigmoideus R. G. Swinney 2011-6-29 15360 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 m downstream (S) from Monte Cristo Campgrund 1082 Comment
  CAS-BOT-BC523907  Phacelia R. G. Swinney 2010-6-21 13279 Los Angeles San Gabriel Mountains: Angeles National Forest within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 mi N of Santa Clara Truck Trail via trail W of spring 902 Comment
  CAS-BOT-BC539374  Gilia R. G. Swinney 2008-5-8 8791 Los Angeles San Gabriel Mtns: West Fork Punchbowl Canyon near north boundary of Devils Punchboal Co. Park, 0.6. mi SW of Big Rock Creek Rd 1263 Comment
Read comments
Aug 14 2017
  CDA36029  Ficus palmata R. G. Swinney 2008-5-3 8891 Los Angeles San Gabriel Mtns.; San Gabriel Canyon at El Encanto, west bank of the river. Comment
  CHSC113767  Eriogonum R. G. Swinney 2009-6-24 11272 Los Angeles Transverse Range; San Gabriel Mtns.: summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 miles south of Pacifico Mtn. Rd. 1918 Comment
  HSC101282  Linanthus dichotomus subsp. pattersonii R. G. Swinney 2009-4-24 10487 Los Angeles Transverse Ranges; San Gabriel Mtns. / Mojave Desert: Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  HSC101283  Colutea arborescens R. G. Swinney 2009-3-28 10178 Los Angeles Transverse Range, San Gabriel Mtns.: Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi. up canyon 366 Comment
  HSC101284  Gilia cana R. G. Swinney 2009-4-28 10504 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  HSC101289  Lupinus bicolor R. G. Swinney 2009-4-28 10505 Los Angeles Transverse Range, San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  HSC101290  Lupinus sparsiflorus R. G. Swinney 2009-3-26 10165 Los Angeles San Gabriel Mtns. Foothills: Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 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
  HSC101338  Rorippa curvisiliqua R. G. Swinney 2009-3-31 10219 Los Angeles Transverse Range; San Gabriel Mtns.: mouth of San Gabriel Canyon, 0.7-1.2 mi. NE of Foothilll Blvd., Azusa 213 Comment
  HSC101347  Solanum douglasii R. G. Swinney 2008-11-30 9876 Los Angeles San Gabriel Mtns.; Azusa/Irwindale boundary, San Gabriel River Channel, within 75 m of Foothill Blvd. bridge 177 Comment
  HSC101378  Agrostis exarata R. G. Swinney 2008-8-13 9378 Los Angeles San Gabriel Mtns.: Icy Springs, tributary of Big Rock Creek 1756 Comment
  HSC104219  Phacelia cryptantha R. G. Swinney 2009-4-24 10438 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  HSC104226  Lupinus microcarpus R. G. Swinney 2009-4-24 10439 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  HSC104244  Cryptantha pterocarya R. G. Swinney 2009-4-24 10436 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA0010800  Myoporum laetum R. G. Swinney 1998-2-16 5893 Los Angeles San Gabriel Mountains/San Gabriel Valley: mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank. 183 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
  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
  RSA0019681  Ribes velutinum R. G. Swinney 2008-6-18 9073 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
  RSA0022054  Galium angustifolium R. G. Swinney 2009-4-15 10339 Los Angeles north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  RSA0022055  Linum usitatissimum R. G. Swinney 2009-4-13 10324 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  RSA0035990  Plagiobothrys nothofulvus R. G. Swinney 2010-3-10 11805 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0036984  Lupinus latifolius R. G. Swinney 2010-5-29 13407 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0036985  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-29 13408 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 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
  RSA0037424  Rhus ovata R. G. Swinney 2010-9-1 13663 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0037425  Corethrogyne filaginifolia R. G. Swinney 2010-9-1 13661 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0039052  Ericameria teretifolia R. G. Swinney 2009-11-16 11648 Los Angeles Big Rock Wash, 1.2 miles south of Pallett Creek Rd. & Valyermo Rd. junction, 50 m west of Valyermo Rd. 1079 Comment
  RSA0039059  Rafinesquia californica R. G. Swinney 2010-5-11 12660 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
  RSA0039060  Phacelia brachyloba R. G. Swinney 2010-5-11 12658 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
  RSA0039392  Artemisia dracunculus R. G. Swinney 2009-11-16 11639 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA0039464  Chlorogalum pomeridianum R. G. Swinney 2010-6-21 13250 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0039643  Stephanomeria virgata R. G. Swinney 2010-5-29 13413 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  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
  RSA0042039  Centaurea melitensis R. G. Swinney 2010-5-4 12485 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0042042  Chenopodium californicum R. G. Swinney 2010-3-10 11831 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
  RSA0043002  Umbellularia californica R. G. Swinney 2010-6-21 13257 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
  RSA0047904  Erigeron foliosus R. G. Swinney 2010-6-4 13064 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0047905  Symphoricarpos mollis R. G. Swinney 2010-6-4 13063 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  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
  RSA0047921  Pinus lambertiana R. G. Swinney 2010-9-23 13872 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA0049932  Solanum umbelliferum R. G. Swinney 2010-4-20 12319 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0049939  Hordeum murinum R. G. Swinney 2010-5-12 12736 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
  RSA0053863  Chaenactis artemisiifolia R. G. Swinney 2010-4-28 12426 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0053866  Lupinus hirsutissimus R. G. Swinney 2010-4-28 12441 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
  RSA0053867  Platanus racemosa R. G. Swinney 2010-4-20 12297 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0053882  Gilia R. G. Swinney 2010-5-11 12634 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
  RSA0053889  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-13 12202 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0053890  Paeonia californica R. G. Swinney 2010-4-13 12203 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0053900  Microseris lindleyi R. G. Swinney 2010-5-11 12631 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0055762  Lotus scoparius R. G. Swinney 2010-4-1 12146 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  RSA0055769  Lobularia maritima R. G. Swinney 2010-4-1 12135 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  RSA0055783  Nicotiana glauca R. G. Swinney 2010-4-28 12430 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
  RSA0055787  Emmenanthe penduliflora R. G. Swinney 2010-4-28 12435 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
  RSA0055946  Baccharis salicifolia Richard G. Swinney 2010-4-30 12463 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
  RSA0055947  Bromus rubens Richard G. Swinney 2010-4-30 12462 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA0055981  Centaurea melitensis Richard G. Swinney 2010-5-25 12979 Los Angeles San Gabriel Mountains; just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0055993  Eriogonum fasciculatum var. polifolium Richard G. Swinney 2010-3-16 11939 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0055996  Helianthus annuus Richard G. Swinney 2010-3-16 11938 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0055997  Lobularia maritima Richard G. Swinney 2010-3-16 11935 Los Angeles San Gabriel Mountains/Verdugo Mountains: confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0057920  Malacothrix glabrata Richard G. Swinney 2010-4-15 12217 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0057930  Bromus diandrus Richard G. Swinney 2010-3-18 11989 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA0058195  Lotus heermannii Richard G. Swinney 2010-6-23 13357 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0058198  Lupinus sparsiflorus Richard G. Swinney 2010-6-23 13358 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0058202  Camissonia californica Richard G. Swinney 2010-10-15 14052 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
  RSA0058209  Polygonum lapathifolium Richard G. Swinney 2010-6-23 13364 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
  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
  RSA0060474  Lantana montevidensis R. G. Swinney 2010-8-16 13539 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0060475  Baccharis pilularis R. G. Swinney 2010-8-16 13534 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0060883  Conyza bonariensis R. G. Swinney 2010-8-16 13562 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 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
  RSA0062518  Sairocarpus coulterianus R. G. Swinney 2010-4-20 12318 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0062523  Sisymbrium orientale R. G. Swinney 2010-4-20 12301 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0062526  Adiantum jordanii R. G. Swinney 2010-6-4 13051 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
  RSA0062527  Adiantum jordanii R. G. Swinney 2010-6-4 13051 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
  RSA0062559  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2010-4-15 12267 Los Angeles Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 695 Comment
  RSA0062560  Ageratina adenophora R. G. Swinney 2010-4-15 12269 Los Angeles Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 695 Comment
  RSA0062624  Eriogonum wrightii var. subscaposum R. G. Swinney 2010-9-9 13760 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA0062625  Calocedrus decurrens R. G. Swinney 2010-9-9 13761 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA0062628  Galium porrigens R. G. Swinney 2010-6-8 13190 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0062634  Agrostis R. G. Swinney 2010-9-9 13773 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA0062635  Ericameria nauseosa subsp. nauseosa R. G. Swinney 2010-9-9 13762 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
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Oct 12 2018
  RSA0062694  Carex R. G. Swinney 2010-10-13 14017 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
Read comments
Sep 12 2018
  RSA0062695  Delphinium glaucum R. G. Swinney 2010-10-13 14018 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0064053  Agrostis stolonifera R. G. Swinney 2010-9-9 13772 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  RSA0064056  Epipactis gigantea R. G. Swinney 2010-9-9 13765 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
  RSA0064057  Lathyrus vestitus var. vestitus R. G. Swinney 2010-4-20 12305 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0064061  Ribes cereum R. G. Swinney 2010-10-13 14014 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0067560  Helianthemum scoparium R. G. Swinney 2010-5-4 12499 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0068303  Eleocharis R. G. Swinney 2010-5-12 12711 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA0068306  Lupinus subvexus var. subvexus R. G. Swinney 2010-5-12 12708 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA0068307  Chamaesyce albomarginata R. G. Swinney 2010-5-12 12705 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA0068311  Descurainia sophia R. G. Swinney 2010-5-12 12720 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA0068433  Polypogon semiverticillatus R. G. Swinney 2010-8-16 13540 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0068437  Nicotiana glauca R. G. Swinney 2010-8-16 13546 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0068443  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0068446  Anisocoma acaulis R. G. Swinney 2010-5-19 12837 B Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  RSA0068447  Nama demissa R. G. Swinney 2010-5-19 12837 A Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  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
  RSA0068459  Lotus strigosus R. G. Swinney 2010-3-18 11980 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
  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
  RSA0069418  Solanum umbelliferum R. G. Swinney 2010-3-10 11803 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0069423  Pseudognaphalium californicum R. G. Swinney 2010-3-10 11801 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0069426  Astragalus trichopodus var. phoxus R. G. Swinney 2010-3-10 11809 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0069427  Tamarix ramosissima R. G. Swinney 2010-3-10 11808 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0069433  Avena fatua R. G. Swinney 2010-6-8 13216 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0069436  Vicia R. G. Swinney 2010-6-8 13202 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
  RSA0069437  Robinia pseudoacacia R. G. Swinney 2010-6-8 13204 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
  RSA0069831  Adenostoma fasciculatum R. G. Swinney 2010-5-19 12847 Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  RSA0069841  Silene gallica R. G. Swinney 2010-5-4 12490 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
  RSA0069886  Dysphania botrys R. G. Swinney 2010-9-13 13816 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
  RSA0069887  Juncus xiphioides R. G. Swinney 2010-9-13 13815 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
  RSA0070277  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12289 Los Angeles Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0070329  Lotus scoparius var. scoparius R. G. Swinney 2010-5-7 12600 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  RSA0070332  Calystegia peirsonii R. G. Swinney 2010-6-8 13177 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
  RSA0070361  Alcea rosea R. G. Swinney 2010-4-20 12285 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0073373  Fumaria officinalis R. G. Swinney 2010-3-16 11956 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
  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
  RSA0073377  Ceanothus crassifolius R. G. Swinney 2010-3-16 11952 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
  RSA0073612  Hulsea heterochroma R. G. Swinney 2010-10-8 14000 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  RSA0074422  Heterotheca grandiflora R. G. Swinney 2008-11-30 9873 Los Angeles San Gabriel Mtns.: Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  RSA0076012  Cryptantha muricata R. G. Swinney 2010-4-13 12206 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  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
  RSA0077089  Phacelia distans R. G. Swinney 2010-4-1 12125 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  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
  RSA0078380  Sisymbrium orientale R. G. Swinney 2010-4-23 12329 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0079402  Cryptantha muricata var. jonesii R. G. Swinney 2000-6-19 7817 Los Angeles San Gabriel Mtns.: Pine Mountain, north of Azusa. 1384 Comment
  RSA0079525  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-5 8769 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
  RSA0080359  Eriogonum baileyi R. G. Swinney 2011-6-29 15362 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  RSA0080360  Keckiella ternata subsp. ternata R. G. Swinney 2011-6-29 15363 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  RSA0080396  Lotus salsuginosus var. salsuginosus R. G. Swinney 2010-3-24 12050 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0080397  Medicago polymorpha R. G. Swinney 2010-3-24 12048 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0080649  Ambrosia acanthicarpa R. G. Swinney 2010-5-29 13009 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0080653  Sonchus oleraceus R. G. Swinney 2010-5-29 13015 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0080723  Polygonum aviculare R. G. Swinney 2010-9-7 13710 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA0080726  Elymus glaucus var. glaucus R. G. Swinney 2010-9-9 13756 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
  RSA0080727  Sisyrinchium bellum R. G. Swinney 2010-9-9 13757 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
  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
  RSA0080736  Rhus integrifolia R. G. Swinney 2010-4-23 12365 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  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
  RSA0080743  Foeniculum vulgare R. G. Swinney 2010-8-11 13514 Los Angeles Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  RSA0080746  Plantago indica R. G. Swinney 2010-6-23 13367 Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0080747  Ailanthus altissima R. G. Swinney 2010-6-23 13368 Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0080759  Encelia actoni R. G. Swinney 2010-6-1 13106 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  RSA0080760  Baccharis salicifolia R. G. Swinney 2010-5-12 12726 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
  RSA0080774  Lupinus bicolor R. G. Swinney 2010-4-13 12187 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
  RSA0080775  Dendromecon rigida R. G. Swinney 2010-4-13 12188 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
  RSA0080778  Camissonia bistorta R. G. Swinney 2010-4-13 12201 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon. 561 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
  RSA0080962  Melica imperfecta R. G. Swinney 2010-6-1 13098 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  RSA0080969  Rhamnus ilicifolia R. G. Swinney 2010-4-28 12407 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
  RSA0081129  Rumex conglomeratus R. G. Swinney 2010-6-29 13387 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  RSA0081132  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
  RSA0081139  Sambucus nigra subsp. caerulea R. G. Swinney 2010-6-1 13121 Los Angeles Lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  RSA0081302  Bromus diandrus R. G. Swinney 2010-3-24 12077 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0081309  Lotus strigosus R. G. Swinney 2010-3-24 12051 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0081310  Camissonia R. G. Swinney 2010-3-24 12053 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0081368  Penstemon grinnellii R. G. Swinney 2011-7-21 15535 Los Angeles Strawberry Peak summit. 1860 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
  RSA0081709  Claytonia parviflora R. G. Swinney 2010-5-19 12789 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
  RSA0081710  Camissonia campestris R. G. Swinney 2010-5-19 12791 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
  RSA0082412  Amaranthus albus R. G. Swinney 2010-9-7 13678 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  RSA0082584  Spartium junceum R. G. Swinney 2010-6-4 12987 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
  RSA0082585  Tamarix ramosissima R. G. Swinney 2010-6-4 13001 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
  RSA0082588  Dudleya lanceolata R. G. Swinney 2010-6-4 12994 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
  RSA0083013  Helianthus annuus R. G. Swinney 2010-5-4 12510 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
  RSA0083016  Phacelia distans R. G. Swinney 2010-5-12 12764 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
  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
  RSA0083120  Elymus glaucus R. G. Swinney 2010-6-4 13032 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  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
  RSA0083166  Pectocarya linearis subsp. ferocula R. G. Swinney 2010-6-1 13130 Los Angeles lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent. 994 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
  RSA0084493  Lupinus succulentus R. G. Swinney 2010-5-4 12540 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0084496  Malacothrix saxatilis R. G. Swinney 2010-5-4 12536 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA0084497  Symphoricarpos albus var. laevigatus R. G. Swinney 2010-6-21 13273 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
  RSA0084784  Malosma laurina R. G. Swinney 2010-6-23 13317 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
  RSA0084862  Mentzelia laevicaulis R. G. Swinney 2010-9-1 13673 Los Angeles Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  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
  RSA0084934  Conium maculatum R. G. Swinney 2010-6-23 13327 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
  RSA0084935  Lemna R. G. Swinney 2010-6-23 13330 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
  RSA0084938  Keckiella ternata R. G. Swinney 2010-9-13 13807 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA0085029  Corethrogyne filaginifolia R. G. Swinney 2010-4-30 12447 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
  RSA0085032  Elymus glaucus R. G. Swinney 2010-6-21 13274 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
  RSA0085092  Muilla maritima R. G. Swinney 2010-4-1 12167 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
  RSA0085099  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12376 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  RSA0085315  Melica imperfecta R. G. Swinney 2010-4-23 12374 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  RSA0085333  Baccharis salicifolia R. G. Swinney 2010-4-1 12162 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
  RSA0085336  Erodium cicutarium R. G. Swinney 2010-4-1 12159 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
  RSA0085337  Salix laevigata R. G. Swinney 2010-4-1 12169 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
  RSA0085346  Sisymbrium orientale R. G. Swinney 2010-5-4 12527 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
  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
  RSA0085500  Galium angustifolium R. G. Swinney 2010-8-9 13456 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
  RSA0086536  Sanicula tuberosa R. G. Swinney 2011-5-3 14559 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA0086543  Trifolium ciliolatum R. G. Swinney 2011-5-3 14574 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA0086829  Antirrhinum coulterianum R. G. Swinney 2011-6-14 15155 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
  RSA0087021  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-4-30 12450 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA0087031  Chorizanthe xanti var. xanti R. G. Swinney 2010-6-1 13079 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA0087041  Opuntia X vaseyi R. G. Swinney 2010-4-1 12171 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash. 331 Comment
  RSA0087050  Agrostis stolonifera R. G. Swinney 2010-9-9 13789 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA0087062  Juglans californica R. G. Swinney 2010-5-4 12529 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
  RSA0087069  Vicia villosa R. G. Swinney 2010-5-4 12526 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
  RSA0087086  Lupinus hirsutissimus R. G. Swinney 2010-3-18 11975 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA0087091  Juglans californica R. G. Swinney 2010-6-21 13294 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
  RSA0087330  Mirabilis laevis R. G. Swinney 2010-3-13 11875 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0087382  Cryptantha microstachys R. G. Swinney 2010-5-25 12983 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
  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
  RSA0087390  Brassica geniculata R. G. Swinney 2010-5-25 12965 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0087864  Sisymbrium orientale R. G. Swinney 2010-6-21 13298 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0087865  Sisymbrium officinale R. G. Swinney 2010-6-21 13285 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0087868  Trifolium willdenovii R. G. Swinney 2010-6-21 13276 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
  RSA0087870  Eriophyllum confertiflorum R. G. Swinney 2010-6-21 13292 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
  RSA0088103  Gilia R. G. Swinney 2010-5-19 12792 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
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Dec 7 2018
  RSA0088107  Hypochaeris glabra R. G. Swinney 2010-4-30 12457 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
  RSA0088254  Rafinesquia californica R. G. Swinney 2010-5-25 12958 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
  RSA0088255  Helianthemum scoparium R. G. Swinney 2010-5-25 12964 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
  RSA0088258  Salvia mellifera R. G. Swinney 2010-5-25 12969 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
  RSA0088403  Plagiobothrys canescens R. G. Swinney 2010-2-27 11757 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
  RSA0088406  Raphanus sativus R. G. Swinney 2010-2-27 11766 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
  RSA0088407  Brassica rapa R. G. Swinney 2010-2-27 11765 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
  RSA0088411  Ligustrum lucidum R. G. Swinney 2010-2-27 11761 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  RSA0088572  Lupinus concinnus R. G. Swinney 2010-5-11 12692 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
  RSA0089512  Camissonia pallida R. G. Swinney 2011-4-20 14425 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
  RSA0089519  Platanthera dilatata var. leucostachys R. G. Swinney 2011-8-17 15619 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091114  Stipa speciosa R. G. Swinney 2010-6-1 13116 Los Angeles 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
  RSA0091115  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA0091118  Baccharis salicifolia R. G. Swinney 2010-4-15 12252 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  RSA0091123  Phacelia minor R. G. Swinney 2010-4-13 12193 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA0091126  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-12 14714 Los Angeles along Cabin Canyon Creek near the confluence with Aliso Canyon 1195 Comment
  RSA0091127  Stipa coronata R. G. Swinney 2010-4-13 12177 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
  RSA0091137  Ribes nevadense R. G. Swinney 2011-8-17 15639 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091143  Trifolium willdenovii R. G. Swinney 2011-5-24 14799 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
  RSA0091146  Salix laevigata R. G. Swinney 2011-5-12 14695 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
  RSA0091147  Juncus bufonius var. occidentalis R. G. Swinney 2011-10-10 15740 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
  RSA0091152  Pellaea andromedifolia R. G. Swinney 2011-11-1 15956 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0091159  Amaranthus albus R. G. Swinney 2011-6-30 15386 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0091160  Acer macrophyllum R. G. Swinney 2011-6-30 15399 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0091474  Acer macrophyllum R. G. Swinney 2011-11-1 15946 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0091475  Delphinium parryi subsp. parryi R. G. Swinney 2011-3-22 14188 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 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
  RSA0091481  Pellaea andromedifolia R. G. Swinney 2011-3-22 14193 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA0091496  Cuscuta R. G. Swinney 2010-3-13 11892 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0091520  Calyptridium monandrum R. G. Swinney 2011-4-20 14430 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
  RSA0091530  Lupinus bicolor R. G. Swinney 2011-5-26 14835 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
  RSA0091540  Silene antirrhina R. G. Swinney 2011-5-26 14858 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
  RSA0091711  Umbellularia californica R. G. Swinney 2011-4-9 14369 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA0091784  Cryptantha R. G. Swinney 2011-7-7 15442 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0091785  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-7-7 15426 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0091788  Ehrendorferia chrysantha R. G. Swinney 2011-7-7 15436 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0091973  Festuca microstachys R. G. Swinney 2011-4-20 14451 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
  RSA0091976  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2011-11-1 15949 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0091977  Polypodium californicum R. G. Swinney 2011-11-1 15936 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0092144  Cryptantha R. G. Swinney 2011-6-7 15021 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
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Feb 18 2020
  RSA0092145  Phacelia distans R. G. Swinney 2011-5-26 14843 Los Angeles San Gabriel Mountains: 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA0092148  Quercus chrysolepis R. G. Swinney 2011-9-22 15684 Los Angeles San Gabriel Mountains: SE side of Camp Colby (Colby Ranch), Colby Gravy marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA0092473  Lotus strigosus Richard G. Swinney 2010-9-7 13690 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA0093054  Calystegia macrostegia subsp. arida Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14336 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA0093055  Helianthemum scoparium Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14341 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA0093131  Erigeron canadensis Richard G. Swinney 2011-3-26 14198 Los Angeles San Gabriel Mts.: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon. 476 Comment
  RSA0093462  Bromus carinatus var. carinatus Richard G. Swinney 2011-6-7 15063 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
  RSA0093469  Dichelostemma capitatum Richard G. Swinney 2011-6-7 15055 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
  RSA0094084  Rhamnus ilicifolia Richard G. Swinney 2011-10-13 15791 Los Angeles San Gabriel Mountains: Chilao Flat, jct. of Chilao Flat Rd. (north entrance) and Silver Moccasin Trail. 1582 Comment
  RSA0094085  Ericameria nauseosa subsp. consimilis Richard G. Swinney 2011-10-13 15794 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
  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
  RSA0094364  Eschscholzia californica R. G. Swinney 2011-5-31 14923 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0094365  Lupinus bicolor R. G. Swinney 2011-5-31 14925 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0094368  Rhamnus ilicifolia R. G. Swinney 2011-5-30 14920 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0094370  Cirsium occidentale var. californicum R. G. Swinney 2011-5-31 14921 B Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0094550  Plagiobothrys collinus var. fulvescens Richard G. Swinney 2011-6-6 14999 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0094562  Erysimum capitatum Richard G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0095244  Calyptridium monandrum R. G. Swinney 2011-6-7 15025 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1585 Comment
  RSA0095245  Eschscholzia caespitosa R. G. Swinney 2011-5-6 14578 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA0095248  Camissonia hirtella R. G. Swinney 2011-6-20 15224 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  RSA0096421  Artemisia dracunculus R. G. Swinney 2011-10-27 15920 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  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
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Dec 7 2018
  RSA0097144  Malacothrix clevelandii R. G. Swinney 2011-5-31 14889 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
  RSA0097145  Hulsea heterochroma R. G. Swinney 2011-5-31 14888 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
  RSA0097148  Caulanthus amplexicaulis R. G. Swinney 2011-5-31 14893 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
  RSA0097173  Mentzelia dispersa R. G. Swinney 2011-6-1 14969 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 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
  RSA0097177  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-6-1 14979 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA0097783  Centaurea melitensis R. G. Swinney 2011-4-26 14522 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 378 Comment
  RSA0098168  Linanthus pungens R. G. Swinney 2011-8-5 15598 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
  RSA0098361  Brickellia californica R. G. Swinney 2011-11-1 15962 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0098614  Penstemon grinnellii R. G. Swinney 2011-9-27 15716 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
  RSA0098615  Tauschia parishii R. G. Swinney 2011-6-1 14982 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA0098618  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 2354 Comment
  RSA0098633  Ceratophyllum demersum R. G. Swinney 2010-9-7 13702 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA0098636  Filago californica R. G. Swinney 2010-5-11 12696 Los Angeles San Gabriel Mountains: east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA0098637  Phacelia ramosissima R. G. Swinney 2010-5-11 12697 Los Angeles San Gabriel Mountains: east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA0098643  Sphaeralcea ambigua subsp. ambigua R. G. Swinney 2010-6-1 13127 Los Angeles San Gabriel Mountains: lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  RSA0098646  Stipa cernua R. G. Swinney 2010-6-1 13131 Los Angeles San Gabriel Mountains: lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  RSA0098647  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 659 Comment
  RSA0098780  Polypogon monspeliensis R. G. Swinney 2011-6-1 14953 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
  RSA0101280  Phacelia brachyloba R. G. Swinney 2011-6-22 15257 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
  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
  RSA0103426  Datisca glomerata R. G. Swinney 2011-10-18 15811 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
  RSA0103427  Rhamnus californica R. G. Swinney 2011-10-25 15874 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
  RSA0103474  Dysphania botrys R. G. Swinney 2011-10-18 15809 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
  RSA0103475  Artemisia douglasiana R. G. Swinney 2011-10-18 15810 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
  RSA0103784  Amsinckia tessellata R. G. Swinney 2011-4-20 14463 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
  RSA0103785  Lupinus bicolor R. G. Swinney 2011-4-20 14462 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
  RSA0103788  Phacelia tanacetifolia R. G. Swinney 2011-4-20 14464 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
  RSA0103913  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-7-8 15495 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA0103916  Cuscuta subinclusa R. G. Swinney 2011-10-10 15757 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
  RSA0103917  Eriogonum wrightii subsp. subscaposum Richard G. Swinney 2011-10-10 15758 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
  RSA0103924  Hesperoyucca whipplei R. G. Swinney 2011-7-8 15481 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA0103925  Muhlenbergia rigens R. G. Swinney 2011-10-10 15732 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA0103928  Salix lasiolepis R. G. Swinney 2011-6-23 15318 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  RSA0104644  Chaenactis santolinoides R. G. Swinney 2011-6-23 15310 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  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
  RSA0104648  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-6 14609 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
  RSA0104902  Rumex salicifolius R. G. Swinney 2011-10-18 15827 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
  RSA0104909  Eschscholzia californica R. G. Swinney 2011-7-7 15419 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0105004  Corethrogyne filaginifolia R. G. Swinney 2011-10-25 15891 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
  RSA0105005  Lotus heermannii var. heermannii R. G. Swinney 2011-10-25 15892 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
  RSA0105008  Gnaphalium californicum R. G. Swinney 2011-4-26 14516 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
  RSA0105021  Sarcodes sanguinea R. G. Swinney 2011-6-22 15273 Los Angeles San Gabriel Mountains: Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy. 1598 Comment
  RSA0105031  Pellaea andromedifolia R. G. Swinney 2011-4-26 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. 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
  RSA0105050  Carduus pycnocephalus R. G. Swinney 2011-4-26 14489 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA0105155  Selaginella bigelovii R. G. Swinney 2011-10-27 15903 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA0105158  Urtica urens R. G. Swinney 2011-3-15 14098 Los Angeles San Gabriel Mountains: Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park. 232 Comment
  RSA0105207  Pellaea andromedifolia R. G. Swinney 2011-10-27 15928 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
  RSA0105211  Rhus ovata R. G. Swinney 2011-10-27 15924 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
  RSA0105751  Cryptantha muricata R. G. Swinney 2011-7-7 15445 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0105980  Ericameria cuneata R. G. Swinney 2011-11-1 15976 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 70-200 meters west (upstream) from confluence with North Fork, south side of FS Rd 2N25/W. Fork Scenic Bikeway. 476 Comment
  RSA0106114  Salix gooddingii R. G. Swinney 2011-3-15 14070 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 232 Comment
  RSA0106115  Ceanothus leucodermis R. G. Swinney 2011-3-15 14071 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA0106118  Stellaria media R. G. Swinney 2011-3-15 14073 B Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA0106493  Lepidospartum squamatum R. G. Swinney 2011-10-18 15829 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
  RSA0106496  Carex alma R. G. Swinney 2011-10-18 15832 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
  RSA0106497  Artemisia dracunculus R. G. Swinney 2011-10-18 15833 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA0106566  Poa bulbosa subsp. vivipara R. G. Swinney 2011-6-23 15308 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
  RSA0106567  Acer macrophyllum R. G. Swinney 2011-3-26 14227 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 Cyn. 476 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
  RSA0106831  Delphinium glaucum R. G. Swinney 2011-7-29 15560 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0106841  Ceanothus oliganthus subsp. oliganthus R. G. Swinney 2011-5-10 14638 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  RSA0106913  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2009-6-24 11259 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA0107649  Bromus diandrus R. G. Swinney 2011-6-23 15309 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
  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
  RSA0107656  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  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
  RSA0107699  Trifolium obtusiflorum R. G. Swinney 2011-10-18 15846 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA0107775  Piptatherum miliaceum R. G. Swinney 2011-10-18 15848 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
  RSA0110196  Camissoniopsis Richard G. Swinney 2011-5-16 14722 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
  RSA0110197  Penstemon centranthifolius Richard G. Swinney 2011-5-16 14723 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
  RSA0110267  Chenopodium fremontii R. G. Swinney 2005-8-17 8494 Los Angeles Valyermo, Devil s Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1402 Comment
  RSA0110530  Eriodictyon trichocalyx R. G. Swinney 2011-6-15 15203 Los Angeles San Gabriel Mountains; SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail. 1622 Comment
  RSA0110582  Carex alma R. G. Swinney 2011-6-15 15198 A Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  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
  RSA0110590  Dryopteris arguta Richard G. Swinney 2010-6-8 13236 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. 598 Comment
  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
  RSA0110788  Agrostis Richard G. Swinney 2010-9-30 13920 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0110804  Lantana montevidensis Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14350 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 268 Comment
  RSA0110805  Ricinus communis R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14335 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
  RSA0110808  Claytonia parviflora subsp. parviflora Richard G. Swinney 2011-4-28 14536 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi west to San Gabriel Cyn. Dam. 878 Comment
  RSA0110891  Dichelostemma capitatum R. G. Swinney 2011-5-6 14617 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  RSA0110913  Hesperoyucca whipplei Richard G. Swinney 2011-6-7 15079 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
  RSA0110917  Madia minima R. G. Swinney 2011-6-7 15082 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
  RSA0110924  Lotus corniculatus R. G. Swinney 2010-10-5 13981 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA0110925  Helianthus annuus subsp. lenticularis R. G. Swinney 2010-10-5 13982 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA0110928  Festuca microstachys R. G. Swinney 2011-6-7 15075 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0110973  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1997-8-6 5762 Los Angeles Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood. 1890 Comment
  RSA0110976  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1999-6-21 7344 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  RSA0111940  Cryptantha nevadensis var. rigida Richard G. Swinney 2011-4-19 14417 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
  RSA0112024  Melica imperfecta Richard G. Swinney 2011-5-16 14733 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
  RSA0112025  Hulsea heterochroma Richard G. Swinney 2011-5-16 14742 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. and FS Rd. 3N19 in Big Tujunga Cyn., c. 450 ENE of lodge in center of camp. 1375 Comment
  RSA0112523  Garrya flavescens Richard G. Swinney 2011-10-13 15803 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2. 1622 Comment
  RSA0112526  Hesperoyucca whipplei Richard G. Swinney 2010-5-21 12903 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
  RSA0112527  Lotus strigosus Richard G. Swinney 2010-5-21 12902 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
  RSA0112552  Pellaea mucronata var. mucronata R. G. Swinney 2011-6-15 15173 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy. 1585 Comment
  RSA0112559  Epilobium densiflorum R. G. Swinney 2011-6-15 15189 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA0112560  Deschampsia danthonioides R. G. Swinney 2011-6-15 15179 Los Angeles San Gabriel Mountains: Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA0114714  Ambrosia acanthicarpa R. G. Swinney 2011-10-25 15889 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
  RSA0114715  Urtica dioica subsp. holosericea R. G. Swinney 2011-10-25 15879 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
  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
  RSA0114813  Pellaea andromedifolia R. G. Swinney 2011-10-25 15851 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA0114816  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2011-10-25 15862 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
  RSA0114817  Umbellularia californica R. G. Swinney 2011-10-25 15863 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
  RSA0114941  Sarcodes sanguinea R. G. Swinney 2011-7-29 15588 Los Angeles San Gabriel Mountains; ridge immediately west of Lily Spring, c. 100 m. south of Hwy 2/ Angeles Crest Hwy, north slope of Mt. Hawkins. 2317 Comment
  RSA0115251  Dendromecon rigida Richard G. Swinney 2010-6-8 13223 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA0115263  Senecio flaccidus var. douglasii Richard G. Swinney 2010-10-5 13961 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA0115266  Saltugilia grinnellii subsp. grantii Richard G. Swinney 2010-6-8 13228 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA0115267  Claytonia parviflora Richard G. Swinney 2010-6-8 13227 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA0115282  Ericameria palmeri var. pachylepis Richard G. Swinney 2010-10-5 13989 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA0115311  Plantago lanceolata R. G. Swinney 2010-5-25 12905 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0115443  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-6-1 13169 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA0115447  Sisymbrium altissimum R. G. Swinney 2011-10-13 15782 Los Angeles San Gabriel Mountains: Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  RSA0115831  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2011-3-29 14257 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
  RSA0115994  Allophyllum divaricatum R. G. Swinney 2010-8-11 13498 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA0115995  Artemisia douglasiana R. G. Swinney 2010-8-11 13484 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA0116112  Chaenactis glabriuscula R. G. Swinney 2010-6-1 13174 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
  RSA0116119  Symphyotrichum greatae R. G. Swinney 2011-10-13 15780 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  RSA0116172  Phacelia distans R. G. Swinney 2011-4-19 14398 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
  RSA0116179  Argemone munita R. G. Swinney 2011-6-15 15205 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA0116340  Platanus racemosa R. G. Swinney 2010-10-5 13969 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA0116662  Carex subfusca R. G. Swinney 2008-10-16 9596 Los Angeles San Gabriel Mtns.; Jackson Lake, south side of Big Pines Highway. 1872 Comment
  RSA0116687  Antirrhinum coulterianum R. G. Swinney 2010-5-25 12924 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116691  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-25 12928 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116802  Bromus hordeaceus Richard G. Swinney 2010-5-25 12936 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116809  Stephanomeria virgata R. G. Swinney 2010-10-5 13968 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 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
  RSA0119540  Lupinus sparsiflorus R. G. Swinney 2014-5-19 16589 Los Angeles San Gabriel Mountains; Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., Colby Fire burn area of 2014, 0.4 miles SSE of Glendora Ridge Mtwy. 622 Comment
  RSA0119668  Phacelia fremontii R. G. Swinney 2014-4-30 16261 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
  RSA0120022  Silene laciniata R. G. Swinney 2014-5-19 16559 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
  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
  RSA0122864  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2008-6-4 8939 Los Angeles San Gabriel Mtns: Devils Punchbowl Co. Park, 0.2 mile north of park headquarters/nature center. 1430 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
  RSA0127041  Eriogonum angulosum R. G. Swinney 2014-4-17 16104 Los Angeles San Gabriel Mountains/Mojave Desert: SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct. 896 Comment
  RSA0127621  Anagallis arvensis Richard G. Swinney 2014-5-19 16554 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 Motorway. 515 Comment
  RSA516971  Stephanomeria cichoriacea R. G. Swinney 1989-5-16 s.n Los Angeles Big Dalton Canyon, Glendora Wilderness Park, 1.6 mi. NE of Glendora Mtn Rd. 457 Comment
  RSA574343  Cryptantha muricata R. G. Swinney 1994-5-12 2844 Los Angeles Glendora Mountain Rd., 2.5 mi. N of jct with Big Dalton Canyon Rd. 518 Comment
  RSA574344  Antirrhinum coulterianum R. G. Swinney 1994-5-12 2843 Los Angeles Glendora Mountain Rd., 2.5 mi. N of jct with Big Dalton Canyon Rd. 518 Comment
  RSA575101  Eriogonum fasciculatum var. polifolium R. G. Swinney 1994-6-12 2939 Los Angeles Eastern San Gabriel Mountains: ca. 200 m west of Boneyard Canyon, 2 miles S of Hwy 138, just W of San Bernardino County line 1341 Comment
  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
  RSA575566  Cornus sericea subsp. occidentalis R. G. Swinney 1994-6-11 2876 Los Angeles W of Wrightwood, approx. 1.5 miles SE of Big Pine Forest Service Center on Blue Ridge Nature Trail. Ca. 100 ft. W of trail in stream bottom. 2255 Comment
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Nov 23 2013
  RSA596270  Malacothamnus fasciculatus 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
  RSA598273  Cuscuta campestris R. G. Swinney 1989-6-25 s.n. Los Angeles Big Dalton Canyon, in and near Glendora Wilderness Park , Big Dalton Canyon. Big Dalton Debris basin 365 Comment
  RSA598820  Quercus chrysolepis R. G. Swinney 1989-11-2 1487 Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon area. Paul Keiser nature Trail. 473 Comment
  RSA598908  Centaurea melitensis R. G. Swinney 1969-1 538 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
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May 12 2013
  RSA712175  Ericameria cuneata var. cuneata R. G. Swinney 1997-8-19 5822 Los Angeles San Antonio Peak (=Lookout Mountain), 60-100 m SE of summit. 2052 Comment
  RSA715422  Arceuthobium divaricatum R. G. Swinney 1997-9-6 5864 Los Angeles Forest Service Rd 4N06 (up Mescal Cyn), 2.6 mi N of Big Pines Rd. About 10 mi W of FS Rd. 75 meters S of only point where stream crosses road. 1585 Comment
  RSA715423  Lepidospartum squamatum R. G. Swinney 1997-9-6 5865 Los Angeles Forest Service Rd 4N06 (up Mescal Cyn), 2.6 mi N of Big Pines Rd. About 10 mi W of FS Rd. 75 meters S of only point where stream crosses road. 1585 Comment
  RSA715424  Forestiera pubescens R. G. Swinney 1997-9-6 5867 Los Angeles Wash at the base of Foothill Canyon [Mescal Crk Cyn?] 0.9 mi W of Forestry Service Rd 4N06 at 233rd St. 1415 Comment
  RSA718027  Astragalus leucolobus R. G. Swinney 1996-5-27 4746 Los Angeles NW of Wrightwood, c. 200 m N of Hwy. 2 at Mountain High Ski Resort, east runway. 11S MJ-3E, 0N 2073 Comment
  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
  RSA718062  Tauschia parishii R. G. Swinney 1997-8-19 5808 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA718063  Bromus carinatus var. carinatus R. G. Swinney 1997-8-19 5817 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA718069  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney 1997-8-19 5810 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA718096  Koeleria macrantha R. G. Swinney, Dave Larson 1996-7-17 5115 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA718112  Antirrhinum multiflorum R. G. Swinney 1997-6-12 5564 Los Angeles San Gabriel River Canyon north of Morris Dam, at private shore NE of dam. 488 Comment
  RSA718114  Arenaria macradenia var. arcuifolia R. G. Swinney 1997-6-13 5573 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  RSA718266  Geranium carolinianum R. G. Swinney 1998-4-13 5969 Los Angeles Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of N terminous of Mills Ave., on Cobal Canyon Rd. 543 Comment
  RSA719579  Veratrum californicum Richard G. Swinney 1997-7-22 5691 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area 2073 Comment
  RSA719581  Senecio triangularis R. G. Swinney 1997-7-22 5706 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
  RSA719587  Prunus virginiana var. demissa R. G. Swinney 1997-7-16 5673 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
  RSA719736  Erigeron breweri var. covillei R. G. Swinney 1996-8-7 5219 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  RSA719750  Poa pratensis subsp. pratensis R. G. Swinney 1996-7-17 5149 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA719768  Phacelia ramosissima var. latifolia R. G. Swinney 1996-8-7 5209 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown s Flat 1317 Comment
  RSA720400  Carex aurea R. G. Swinney 1997-7-23 5736 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area 2256 Comment
  RSA721302  Bromus rubens R. G. Swinney 1998-4-11 5936 Los Angeles Claremont, 0.5 mi. to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr 768 Comment
  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
  RSA721304  Castilleja exserta R. G. Swinney 1998-4-11 5931 Los Angeles Claremont, 0.5 mi. to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr 768 Comment
  RSA725845  Muhlenbergia richardsonis R. G. Swinney 1997-7-16 5669 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
  RSA725858  Clarkia epilobioides R. G. Swinney 1998-5-9 6046 Los Angeles Fern Canyon, a tributary of Fish Canyon, c. 600 m west of Fish Cyn stream bottom 396 Comment
  RSA725860  Cryptantha intermedia R. G. Swinney 1998-5-9 6050 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  RSA725928  Poa secunda R. G. Swinney 1996-5-27 4742 Los Angeles Eastern San Gabriel Mtns.: east of Table Mtn. and NW of Wright Ridge., MJ-3E, ON 2252 Comment
  RSA726050  Agrostis exarata R. G. Swinney 1997-6-19 5626 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 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
  RSA727362  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. 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
  RSA727537  Layia glandulosa R. G. Swinney 1998-5-16 6085 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA729089  Juncus balticus subsp. ater R. G. Swinney 1999-6-30 7466 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills 1463 Comment
  RSA729090  Collinsia heterophylla R. G. Swinney, D. W. Larson 1999-7-21 7567 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  RSA729195  Bromus madritensis R. G. Swinney 1999-5-15 7158 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  RSA729200  Euphorbia albomarginata R. G. Swinney 1998-7-10 6375 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  RSA729228  Scirpus microcarpus R. G. Swinney 1998-7-10 6412 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with riparian forest of Alnus rhombifolia, surrounded by montane coniferous forest and chaparral. 1585 Comment
  RSA729302  Astragalus douglasii var. douglasii R. G. Swinney 1998-7-2 6209 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729303  Elymus elymoides R. G. Swinney 1998-7-2 6210 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729304  Silene verecunda subsp. platyota R. G. Swinney 1998-7-2 6211 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729309  Phacelia imbricata subsp. imbricata R. G. Swinney 1998-7-2 6216 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA729327  Bromus carinatus R. G. Swinney 1999-6-30 7465 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills 1463 Comment
  RSA729335  Juncus macrophyllus R. G. Swinney 1999-6-30 7479 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. Riparian zone with Alnus rhombifolia, surrounded by pinyon-juniper woodland. 1561 Comment
  RSA729351  Chaenactis stevioides R. G. Swinney 1999-5-1 7086 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  RSA729357  Sarcodes sanguinea R. G. Swinney 1998-10-24 7023 Los Angeles NE ridge of Pine Moutnatin, one ridge east of Devil's Backbone Trail from Wright Mountain. Montane coniferous forest with Pinus contorta. Chrysolepis sempervirens, etc. 2689 Comment
  RSA729363  Penstemon spectabilis var. subviscosus R. G. Swinney 1998-7-27 6494 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA729364  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1998-7-27 6495 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA729396  Cryptantha simulans R. G. Swinney 1998-7-21 6476 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  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
  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
  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
  RSA729447  Solanum umbelliferum R. G. Swinney 1998-7-8 6316 Los Angeles San Gabriel Mtns.: N of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA729478  Cuscuta denticulata R. G. Swinney 1999-6-21 7378 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  RSA729492  Artemisia dracunculus R. G. Swinney 1998-8-1 6612 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
  RSA729493  Calochortus plummerae Richard G. Swinney 1998-8-1 6613 Los Angeles Vincent Gulch, c. 2 mi. ENE of the summit of Mt, Baden-Powell, 0.8 mi. SE of Vincent Gap Trail Head. Motane conifeous forest, at the edge of a burn. 1707 Comment
  RSA729525  Phacelia fremontii R. G. Swinney 1999-7-5 7541 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
  RSA729531  Bromus tectorum R. G. Swinney 1998-6-16 6985 Los Angeles San Gabriel Mtns; summit of Lookout (Antonio) Mountain. 2070 Comment
  RSA729537  Lithophragma affine R. G. Swinney 1998-6-16 6973 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
  RSA729548  Mimulus moschatus R. G. Swinney 1998-8-6 6697 Los Angeles upper East Fork San Gabriel River, at cliff seep c. 100m below Falls Gulch. 1000 Comment
  RSA729571  Collinsia callosa R. G. Swinney 1998-6-12 6187 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.2 mi. due east of reservoir of mouth of Mescal Canyon. 1448 Comment
  RSA729577  Rubus discolor R. G. Swinney, D. W. Larson 1999-5-15 7177 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  RSA729583  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
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Apr 12 2010
  RSA729584  Eleocharis rostellata R. G. Swinney 1999-7-5 7496 Los Angeles San Gabriel Mtns.:head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2037 Comment
  RSA729589  Thalictrum fendleri var. polycarpum R. G. Swinney 1999-6-30 7489 Los Angeles San Gabriel Mtns.: Grand View Canyon, c. 1.1 mi. north of Big Pines hwy at All Nation Camp 1585 Comment
  RSA729590  Juncus bufonius var. bufonius R. G. Swinney 1999-6-30 7490 Los Angeles San Gabriel Mtns.: Grand View Canyon, c. 1.1 mi. north of Big Pines hwy at All Nation Camp 1585 Comment
  RSA729603  Astragalus lentiginosus var. antonius R. G. Swinney 1998-7-10 6362 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with montane coniferous forest and chaparral. Dry gravel and silt, full sun. 1573 Comment
  RSA729604  Thalictrum fendleri var. polycarpum R. G. Swinney 1998-7-10 6366 Los Angeles confluence of Bear Gulch and Prairie Fork Canyon, souh side of canyon along Prairie Fork sream. Riparian zone in mantane coniferous forest; with Alnus rhombifolia. 1488 Comment
  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
  RSA729662  Claytonia perfoliata R. G. Swinney 1998-7-2 6261 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.8 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  RSA729696  Phacelia austromontana R. G. Swinney 1998-8-31 6875 Los Angeles San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy. 2378 Comment
  RSA729700  Mimulus pilosus R. G. Swinney 1998-8-31 6874 Los Angeles San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy. 2378 Comment
  RSA729715  Fremontodendron californicum subsp. californicum R. G. Swinney 1999-6-18 7316 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  RSA729745  Spartium junceum R. G. Swinney 1998-7-6 6272 Los Angeles San Gbriel Mtns.: Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
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Jan 26 2014
  RSA729758  Achnatherum occidentale subsp. pubescens R. G. Swinney 1998-7-10 6407 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  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
  RSA729786  Muhlenbergia californica R. G. Swinney 1998-8-10 6729 Los Angeles San Gabriel Mtns.: Cattle Canyon, west of (downstream from) Thompson Flat. 671 Comment
  RSA729818  Linanthus concinnus R. G. Swinney 1998-7-16 6285 Los Angeles San Gabriel Mtns.: Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 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
  RSA729837  Asclepias fascicularis R. G. Swinney 1999-6-21 7355 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA729848  Clematis ligusticifolia R. G. Swinney 1999-6-21 7353 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  RSA729855  Viola pinetorum subsp. pinetorum R. G. Swinney 1998-8-27 6826 Los Angeles West Baldy Peak. 3018 Comment
  RSA729871  Claytonia parviflora subsp. utahensis R. G. Swinney 1999-5-22 7203 Los Angeles Le Montaine Canyon, c. 0.5 mi. south of Camp Junilee Rd. 1701 Comment
  RSA729877  Elymus glaucus R. G. Swinney 1998-7-28 6521 Los Angeles San Gabriel Mtns.: south fork of Cow Canyon at and above Fallen Leaf spring, to 0.2 mi. south of Glendora Ridge rd. 1366 Comment
  RSA729882  Ericameria nauseosa var. bernardina R. G. Swinney 1998-9-4 6920 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA729883  Eriogonum umbellatum var. munzii R. G. Swinney 1998-9-4 6921 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA729884  Polypogon viridis R. G. Swinney 1998-8-28 6841 Los Angeles San Gabriel Mtns.: Stoddard Canyon at 'Stoddard Falls' 915 Comment
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Dec 10 2020
  RSA729889  Boykinia rotundifolia R. G. Swinney 1998-8-30 6857 Los Angeles South fork of Dry Lake Canyon, a western tributary of San Antonio Canyon. 985 Comment
  RSA729890  Polystichum imbricans subsp. curtum R. G. Swinney 1998-8-30 6858 Los Angeles South fork of Dry Lake Canyon, a western tributary of San Antonio Canyon. 985 Comment
  RSA729925  Ribes malvaceum var. viridifolium R. G. Swinney, Dave Larson 1998-4-26 6043 Los Angeles Browns Flat, San Dimas Experimental Forest 1317 Comment
  RSA729931  Nemophila menziesii var. menziesii R. G. Swinney 1998-4-14 6025 Los Angeles Southern Mojave Desert: 100 m east of mouth of Mescal Canyon, in Mescal Heights area, 50 m E of 237th St. East 1512 Comment
  RSA729937  Osmorhiza brachypoda R. G. Swinney 1999-6-25 7415 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
  RSA729948  Leymus triticoides R. G. Swinney 1999-5-8 7134 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  RSA729971  Elymus stebbinsii R. G. Swinney 1999-5-29 7211 Los Angeles San Gabriel Mtns.: San Dimas Canyon, main fork c. 100 m north of confluence with Wolfskill Canyon 537 Comment
  RSA730069  Piptatherum miliaceum R. G. Swinney, D. W. Larson 1999-5-29 7230 Los Angeles San Gabriel Mtns.: San Dimas Canyon, at waterfall in main fork 600 m north of confluence with East Fork Comment
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Dec 17 2012
  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
  RSA730170  Poa secunda R. G. Swinney 1998-7-2 6224 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA730247  Phacelia distans R. G. Swinney 1999-6-5 7267 Los Angeles San Gabriel Mtns.: ridge extending west from Big John Peak, above Big John Flat 1799 Comment
  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
  RSA730292  Silene parishii R. G. Swinney 1998-8-27 6809 Los Angeles San Gabriel mtns.: gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  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
  RSA730390  Lotus procumbens var. procumbens R. G. Swinney 1999-6-18 7292 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  RSA730706  Platanthera sparsiflora Richard G. Swinney 1997-5-31 5532 Los Angeles near Mt. Baldy School, south of Mt. Baldy village, c. 75 m east of San Antonio Canyon. Spring dense marshy meadow. 1280 Comment
  RSA730717  Chorizanthe watsonii R. G. Swinney 1997-6-13 5582 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. 1829 Comment
  RSA732775  Claytonia parviflora subsp. parviflora R. G. Swinney 2000-6-19 7815 Los Angeles San Gabriel Mtns.: Pine Mountain, north of Azusa. 1384 Comment
  RSA732811  Delphinium parryi subsp. parryi R. G. Swinney 2000-5-19 7683 Los Angeles San Gabriel Mtns.: San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden hills Rd. and 400 m west of stream. 512 Comment
  RSA732917  Epilobium ciliatum subsp. ciliatum R. G. Swinney 1999-8-16 7653 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope. 2445 Comment
  RSA732938  Dodecatheon redolens R. G. Swinney 1999-8-14 7631 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
  RSA732941  Calyptridium parryi var. parryi R. G. Swinney 1999-8-9 7606 Los Angeles East end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio 2805 Comment
  RSA733037  Sarcodes sanguinea R. G. Swinney 1998-7-8 6331 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA733077  Cistanthe monosperma R. G. Swinney 2001-6-20 7997 Los Angeles Summit of Mt. Lewis, NW of Dawson Saddle. 2524 Comment
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Feb 6 2013
  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
  RSA733083  Arabis pulchra var. pulchra R. G. Swinney 2001-4-18 7900 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  RSA733084  Cryptantha barbigera R. G. Swinney 2001-4-18 7903 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  RSA733089  Allium burlewii R. G. Swinney 2001-6-20 7995 Los Angeles Summit of Mt. Lewis, NW of Dawson Saddle. 2524 Comment
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Feb 6 2013
  RSA733136  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-8-1 6618 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
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Mar 14 2010
  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
  RSA733228  Elymus glaucus R. G. Swinney 1998-8-17 6770 Los Angeles Upper Coldwater Canyon at NE end of Heaton Flat Trail 1244 Comment
  RSA733447  Pholistoma membranaceum R. G. Swinney 2001-4-18 7896 Los Angeles San Gabriel Mtns./Mojave Desert: Valyermo area, ridge top ca. 500 m east of south end of Bobs Gap Comment
  RSA733555  Dudleya lanceolata R. G. Swinney 1998-8-21 6779 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  RSA733571  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-8-13 6751 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  RSA733577  Aquilegia formosa R. G. Swinney 1998-7-29 6549 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
  RSA733584  Agrostis exarata R. G. Swinney 1998-7-24 6560 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  RSA733589  Juncus macrophyllus R. G. Swinney 1998-7-24 6556 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  RSA733590  Epipactis gigantea Richard G. Swinney 1998-7-24 6558 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  RSA733662  Castilleja miniata subsp. miniata R. G. Swinney 1998-7-24 6565 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge. 2200 Comment
  RSA733663  Boykinia rotundifolia R. G. Swinney 1998-7-24 6568 Los Angeles San Gabriel Mtns.: Upper Fish Fork of San Gabriel River. 1585 Comment
  RSA733664  Aralia californica R. G. Swinney 1998-7-24 6569 Los Angeles San Gabriel Mtns.: Upper Fish Fork of San Gabriel River. 1585 Comment
  RSA733669  Lilium humboldtii Richard G. Swinney 1998-8-5 6660 Los Angeles San Gabriel Mtns.: Bear Gulch, 0.3 miles norht of confluene with Prairie Fork, SW of Wrightwood 1524 Comment
  RSA733675  Allophyllum glutinosum R. G. Swinney 1998-8-5 6650 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  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
  RSA733758  Pentagramma triangularis subsp. triangularis R. G. Swinney 2000-5-21 7779 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  RSA733837  Daucus pusillus R. G. Swinney 2000-5-10 7677 Los Angeles San Gabriel Mtns.: San Gabriel River bottom, ca. 600 m NE of confluence with Fish Canyon between bike path and river bottom. +/- 1000 m. 220 Comment
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Mar 28 2010
  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
  RSA746413  Camissonia boothii R. G. Swinney 2008-5-12 8828 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
  RSA746414  Chaenactis stevioides R. G. Swinney 2008-5-12 8829 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA746572  Mimulus rubellus R. G. Swinney 2008-5-13 8864 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA746573  Claytonia perfoliata R. G. Swinney 2008-5-13 8865 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA746574  Caulanthus amplexicaulis R. G. Swinney 2008-5-13 8851 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  RSA746624  Eucrypta chrysanthemifolia R. G. Swinney 2008-4-10 8636 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  RSA746629  Lepidium virginicum var. pubescens R. G. Swinney 2008-4-10 8641 -B Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  RSA746776  Phacelia cicutaria var. hubbyi R. G. Swinney 2008-4-17 8681 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA746795  Pectocarya linearis R. G. Swinney 2008-3-26 8565 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA746839  Mentzelia albicaulis R. G. Swinney 2008-5-8 8781 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
  RSA746898  Poa secunda R. G. Swinney 2005-4-15 8218 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  RSA746965  Rhus ovata R. G. Swinney 2008-4-1 8603 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  RSA746998  Zigadenus fremontii Richard G. Swinney 2003-5-3 8193 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, upper drainage on ridge between Pavil and Pine canyons 793 Comment
  RSA747045  Ceanothus crassifolius R. G. Swinney 2008-4-11 8664 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA747058  Pentagramma triangularis subsp. triangularis R. G. Swinney 2008-5-30 8899 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA747132  Cryptantha oxygona R. G. Swinney 2008-5-8 8814 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
  RSA747140  Chaenactis glabriuscula R. G. Swinney 2008-6-9 8971 Los Angeles lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  RSA747153B  Linanthus dichotomus subsp. pattersonii R. G. Swinney 2008-5-8 8793 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
  RSA747187  Mimulus bigelovii R. G. Swinney 2008-6-10 9007 Los Angeles Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail. 1585 Comment
  RSA747225  Phacelia cicutaria var. hispida R. G. Swinney 2008-4-10 8629 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  RSA747231  Sanicula crassicaulis R. G. Swinney 2008-4-9 8619 Los Angeles Glendora, Wildwood Canyon 329 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
  RSA747399  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
  RSA747402  Fremontodendron californicum subsp. californicum R. G. Swinney 2008-6-4 8946 Los Angeles Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  RSA747404  Pterostegia drymarioides R. G. Swinney 2008-6-4 8934 Los Angeles San Gabriel Mtns.: Devils Punchbowl Co. Park, 0.5 mile north of park headquarters in headwaters of Sandrocks Canyon. Comment
  RSA747409  Juncus balticus subsp. ater R. G. Swinney 2008-6-9 8960 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA747421  Gnaphalium palustre R. G. Swinney 2008-5-12 8846 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA747462  Carpobrotus chilensis R. G. Swinney 2008-4-4 8610 Los Angeles lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA747463  Chaenactis glabriuscula R. G. Swinney 2008-4-4 8614 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA747464  Camissonia confusa R. G. Swinney 2008-4-4 8613 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA747558  Paeonia californica R. G. Swinney 2008-4-16 8675 Los Angeles San Dimas, Spring Canyon, north end between east and west forks of canyon. 393 Comment
  RSA747560  Chenopodium californicum R. G. Swinney 2008-4-16 8668 Los Angeles San Dimas, Spring Canyon 341 Comment
  RSA747617  Epilobium ciliatum R. G. Swinney 2008-5-30 8887 B Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  RSA747678  Luzula comosa var. laxa R. G. Swinney 2001-9-15 8136 Los Angeles Lily Spring, N slope of Mt. Hawkins , 7.5 air miles W SW of Wrightwood, 2561 Comment
  RSA748465  Carex alma R. G. Swinney 2001-8-27 8089 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2463 Comment
  RSA748668  Calandrinia ciliata R. G. Swinney 2008-3-31 8588 Los Angeles Glendora Mountain summit 1003 Comment
  RSA748746  Lycium andersonii R. G. Swinney 2001-5-17 7946 Los Angeles Bobs Gap, c. 1/4 mile north of Panorama Rd. on Bobs Gap Rd. 1232 Comment
  RSA748888  Ribes cereum R. G. Swinney 2001-8-11 8037 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  RSA748897  Mimulus pilosus R. G. Swinney 2005-5-21 8263 Los Angeles west of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  RSA748913  Eriogonum davidsonii R. G. Swinney 2008-5-2 8729 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA748914  Mirabilis laevis R. G. Swinney 2008-5-2 8740 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA748988  Mimulus guttatus R. G. Swinney 2008-5-13 8861 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA748991  Agoseris retrorsa R. G. Swinney 2008-5-13 8859 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA749028  Fremontodendron californicum R. G. Swinney 2008-5-5 8748 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA749086  Malacothamnus fremontii R. G. Swinney 2005-8-11 8458 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  RSA750098  Pseudognaphalium biolettii R. G. Swinney 2008-4-30 8702 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA750832  Muhlenbergia rigens R. G. Swinney 2005-8-9 8404 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA750833  Asclepias fascicularis R. G. Swinney 2005-8-9 8400 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA750834  Eleusine indica R. G. Swinney 2005-8-8 8398 Los Angeles Glendora, Morgan Canyon Debris basin 335 Comment
  RSA755588  Wyethia ovata R. G. Swinney 2008-7-15 9229 Los Angeles Cloutburst Summit, north of Hwy 2 and west of Winston Peak trail 2140 Comment
  RSA755591  Lupinus elatus R. G. Swinney 2008-7-15 9225 Los Angeles Winston Peak. 2275 Comment
  RSA755597  Typha latifolia R. G. Swinney 2008-7-13 9182 Los Angeles San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  RSA755620  Leptochloa fusca subsp. fascicularis R. G. Swinney 2008-9-9 9326 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA755819  Lilium parryi Richard G. Swinney 2008-7-2 9142 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA755826  Juncus macrophyllus R. G. Swinney 2008-10-7 9486 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak 1622 Comment
  RSA755830  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney 2008-9-12 9443 Los Angeles Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  RSA755842  Deschampsia elongata R. G. Swinney 2008-7-2 9115 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 1976 Comment
  RSA755843  Epilobium glaberrimum R. G. Swinney 2008-7-2 9122 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
  RSA755844  Ribes nevadense R. G. Swinney 2008-7-2 9113 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
  RSA755849  Epilobium glaberrimum R. G. Swinney 2008-7-2 9139 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  RSA755870  Eriogonum davidsonii R. G. Swinney 2008-7-15 9194 Los Angeles Winston Peak. 2275 Comment
  RSA755942  Gayophytum R. G. Swinney 2008-7-25 9303 Los Angeles Twin Peaks, east peak. 2357 Comment
Read comments
Sep 27 2010
  RSA755943  Oxytheca parishii var. parishii R. G. Swinney 2008-7-25 9305 Los Angeles Twin Peaks, east peak. 2357 Comment
  RSA755944  Lupinus R. G. Swinney 2008-7-25 9306 Los Angeles Twin Peaks, east peak 2357 Comment
  RSA756080  Emmenanthe penduliflora R. G. Swinney 1998-4-14 5984 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
  RSA756146  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-13 9186 Los Angeles San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin. 762 Comment
  RSA756152  Penstemon spectabilis R. G. Swinney 2008-7-13 9183 Los Angeles San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  RSA756153  Malacothamnus fasciculatus R. G. Swinney 2008-7-12 9181 Los Angeles San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
  RSA756154  Pteridium aquilinum var. pubescens R. G. Swinney 2008-7-12 9179 Los Angeles San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
  RSA756735  Juncus rugulosus R. G. Swinney 2008-6-24 9093 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  RSA756751  Ribes nevadense R. G. Swinney 2008-6-18 9076 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  RSA756899  Cryptantha echinella R. G. Swinney 2008-6-17 9029 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  RSA756906  Malacothamnus fremontii R. G. Swinney 2008-6-17 9036 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  RSA756917  Senecio ionophyllus R. G. Swinney 2008-6-17 9019 Los Angeles 1.2 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1902 Comment
  RSA756980  Caulanthus amplexicaulis R. G. Swinney 2008-6-18 9066 Los Angeles Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  RSA756993  Chaenactis santolinoides R. G. Swinney 2008-7-3 9149 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  RSA756994  Poa secunda R. G. Swinney 2008-7-3 9146 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2329 Comment
  RSA757052  Linanthus breviculus R. G. Swinney 2008-6-17 9059 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
  RSA757053  Elymus elymoides R. G. Swinney 2008-6-17 9060 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
  RSA757085  Eriogonum cithariforme R. G. Swinney 2008-10-8 9522 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  RSA757270  Platystemon californicus R. G. Swinney 1998-4-14 6000 Los Angeles Pi - on 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
  RSA757712  Verbena lasiostachys R. G. Swinney 2008-6-24 9082 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  RSA757713  Adiantum capillus-veneris R. G. Swinney 2008-6-24 9081 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  RSA757714  Typha domingensis R. G. Swinney 2008-6-24 9080 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 244 Comment
  RSA759007  Erigeron foliosus R. G. Swinney 2008-10-8 9529 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA760555  Eriogonum heermannii R. G. Swinney 2008-8-14 9438 Los Angeles Confluence of Big Rock Creek and Fenner Canyon 1640 Comment
  RSA760590  Selaginella bigelovii R. G. Swinney 2009-3-10 10071 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA760602  Amelanchier utahensis R. G. Swinney 2008-8-13 9395 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  RSA760603  Eriogonum umbellatum R. G. Swinney 2008-8-13 9402 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA760604  Clematis ligusticifolia R. G. Swinney 2008-9-10 9414 Los Angeles South Fork Big Rock Creek 1463 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
  RSA760715  Croton californicus R. G. Swinney 2008-12-4 9931 Los Angeles Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 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
  RSA761149  Epilobium densiflorum R. G. Swinney 2008-10-10 9562 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761706  Solidago californica R. G. Swinney 2008-10-10 9569 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761711  Horkelia rydbergii R. G. Swinney 2008-10-10 9545 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761717  Brickellia californica R. G. Swinney 2008-9-10 9415 Los Angeles South Fork Big Rock Creek 1463 Comment
  RSA762341  Gnaphalium luteoalbum R. G. Swinney 2008-10-20 9653 Los Angeles San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA762366  Ceanothus oliganthus var. oliganthus R. G. Swinney 2009-3-16 10117 Los Angeles Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  RSA762421  Amelanchier utahensis R. G. Swinney 2008-8-13 9380 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  RSA762427  Carex abrupta R. G. Swinney 2008-10-16 9625 Los Angeles Big Pine Meadow 2061 Comment
  RSA762451  Sisymbrium erysimoides R. G. Swinney 2009-2-20 10010 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA762457  Galium aparine R. G. Swinney 2009-3-11 10090 Los Angeles San Gabriel Mtns. Foothills Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA762462  Chenopodium murale R. G. Swinney 2009-3-11 10093 Los Angeles San Gabriel Mtns. Foothills Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA762463  Eucrypta chrysanthemifolia R. G. Swinney 2009-3-11 10092 Los Angeles San Gabriel Mtns. Foothills Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  RSA762464  Phacelia minor R. G. Swinney 2009-3-12 10096 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  RSA762496  Artemisia douglasiana R. G. Swinney 2008-11-29 9858 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA762500  Plantago major R. G. Swinney 2008-11-29 9851 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA762647  Platanus racemosa R. G. Swinney 2008-11-30 9890 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy. 165 Comment
  RSA762694  Gnaphalium palustre R. G. Swinney 2008-7-24 9354 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA762731  Chenopodium berlandieri R. G. Swinney 2008-9-4 9410 Los Angeles Dry Lake, Blue Ridge, SW of Wrightwood and 0.4 mi. east of junction of Hwy 2 and road 3N06/Blue Ridge Rd. 2250 Comment
  RSA763112  Galium angustifolium R. G. Swinney 2008-8-13 9399 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA763509  Helianthus annuus R. G. Swinney 2008-11-30 9884 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA769904  Allium R. G. Swinney 2009-5-28 10958 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA771566  Mentzelia veatchiana R. G. Swinney 2009-5-28 10929 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771578  Phacelia mohavensis R. G. Swinney 2009-6-2 11019 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  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
  RSA771592  Chorizanthe watsonii R. G. Swinney 2009-5-13 10759 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  RSA771593  Rhamnus ilicifolia R. G. Swinney 2009-6-2 11006 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
  RSA771600  Aesculus californica R. G. Swinney 2009-6-1 10981 Los Angeles San Antonio Canyon, north of Claremont/Upland, west side of Mt. Baldy Rd. 0.85 mi. north of Shinn Rd. 841 Comment
  RSA771769  Salvia columbariae R. G. Swinney 2009-4-28 10548 Los Angeles summit of Mt. Emma. 1585 Comment
  RSA771775  Claytonia parviflora R. G. Swinney 2009-5-20 10817 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA771838  Plagiobothrys collinus var. fulvescens R. G. Swinney 2009-5-28 10926 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771841  Ceanothus leucodermis R. G. Swinney 2009-5-28 10939 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771847  Scutellaria siphocampyloides R. G. Swinney 2009-5-27 10907 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  RSA771899  Avena barbata R. G. Swinney 2009-5-5 10626 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA772108  Claytonia parviflora R. G. Swinney 2009-4-28 10542 Los Angeles summit of Mt. Emma 1585 Comment
  RSA772168  Mentzelia veatchiana R. G. Swinney 2009-5-12 10747 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
  RSA772195  Melica imperfecta R. G. Swinney 2009-5-27 10869 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA772200  Carex R. G. Swinney 2009-5-27 10874 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
Read comments
Sep 12 2018
  RSA772286  Opuntia littoralis R. G. Swinney 2009-5-9 10706 Los Angeles Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway. 183 Comment
  RSA772302  Erodium cicutarium R. G. Swinney 2009-4-28 10531 Los Angeles summit of Mt. Emma. 1585 Comment
  RSA772303  Ericameria linearifolia R. G. Swinney 2009-4-28 10530 Los Angeles summit of Mt. Emma 1585 Comment
  RSA772304  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles summit of Mt. Emma. 1585 Comment
  RSA772362  Lotus heermannii R. G. Swinney 2009-5-8 10698 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA772364  Argyranthemum foeniculaceum R. G. Swinney 2009-5-9 10711 Los Angeles Azusa/Duarte, San Gabriel River channel, 0.5 mi. north of Foothill Blvd. under the Puente Largo railway bridge 184 Comment
  RSA772369  Galium johnstonii R. G. Swinney 2009-5-20 10831 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 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
  RSA772518  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-5-20 10808 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA773300  Galium porrigens R. G. Swinney 2009-6-8 11065 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773538  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-4-29 10566 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA773541  Tetradymia glabrata R. G. Swinney 2009-4-29 10569 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA773599  Phoradendron pauciflorum R. G. Swinney 2009-6-24 11252 Los Angeles summit of Granite Mountain 1988 Comment
  RSA773600  Eriophyllum confertiflorum R. G. Swinney 2009-6-24 11269 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
  RSA773806  Ericameria linearifolia R. G. Swinney 2009-6-17 11190 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA773847  Ceanothus integerrimus R. G. Swinney 2009-7-29 11443 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA773906  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-22 11299 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA773911  Epilobium densiflorum R. G. Swinney 2009-7-22 11346 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA773978  Ericameria nauseosa var. bernardina R. G. Swinney 2009-7-22 11313 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
  RSA773994  Calystegia macrostegia R. G. Swinney 2009-3-16 10122 Los Angeles Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  RSA773999  Galium johnstonii R. G. Swinney 2009-7-22 11315 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA774236  Suaeda moquinii R. G. Swinney 2009-5-5 10638 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA774268  Cryptantha simulans R. G. Swinney 2009-6-8 11090 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774276  Phacelia fremontii R. G. Swinney 2009-6-17 11174 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA774601  Adenostoma fasciculatum R. G. Swinney 2009-7-29 11402 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774607  Penstemon grinnellii R. G. Swinney 2009-7-29 11411 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA774622  Phoradendron pauciflorum R. G. Swinney 2009-7-29 11418 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA774624  Pinus coulteri R. G. Swinney 2009-7-29 11431 Los Angeles Pacifico Mountain summit 2134 Comment
  RSA774736  Stephanomeria virgata R. G. Swinney 2009-6-17 11178 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA774795  Erigeron foliosus R. G. Swinney 2009-7-29 11404 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774805  Stephanomeria virgata R. G. Swinney 2009-7-29 11408 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774839  Malosma laurina R. G. Swinney 2009-6-12 11151 Los Angeles El Encanto Azusa River Wilderness Park 296 Comment
  RSA774840  Yucca whipplei Richard G. Swinney 2009-6-12 11152 Los Angeles El Encanto Azusa River Wilderness Park 296 Comment
  RSA774865  Chaenactis glabriuscula R. G. Swinney 2009-6-24 11260 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA777431  Bromus hordeaceus R. G. Swinney 2009-5-27 10858 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA777709  Muilla maritima Richard G. Swinney 2009-6-2 11015 -A Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA777878  Pinus jeffreyi R. G. Swinney 2009-6-8 11102 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA777880  Wyethia ovata R. G. Swinney 2009-6-8 11104 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA777917  Cryptantha decipiens R. G. Swinney 2009-5-6 10675 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA778908  Eriogonum saxatile R. G. Swinney 2009-6-17 11212 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA779204  Trifolium obtusiflorum R. G. Swinney 2009-6-8 11071 Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779209  Epilobium densiflorum R. G. Swinney 2009-6-8 11077 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779455  Juncus macrophyllus R. G. Swinney 2009-6-8 11070 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779992  Eriodictyon trichocalyx R. G. Swinney 2009-6-24 11229 Los Angeles summit of Granite Mountain 1988 Comment
  RSA779999  Claytonia parviflora R. G. Swinney 2009-4-7 10282 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west 184 Comment
  RSA780008  Camissonia micrantha R. G. Swinney 2009-4-7 10301 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA780995  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-13 10782 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  RSA781012  Phacelia distans R. G. Swinney 2009-5-13 10772 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  RSA781013  Chenopodium californicum R. G. Swinney 2009-5-13 10773 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  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
  RSA781216  Lotus strigosus R. G. Swinney 2009-3-31 10225 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  RSA781223  Anagallis arvensis R. G. Swinney 2009-4-3 10276 Los Angeles Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  RSA781813  Cuscuta subinclusa R. G. Swinney 2009-7-23 11379 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA781814  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-23 11381 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA782208  Gnaphalium palustre R. G. Swinney 2009-8-25 11471 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782488  Lepidium didymum R. G. Swinney 2009-4-13 10316 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  RSA782491  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2009-4-13 10327 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  RSA787254  Pinus flexilis R. G. Swinney 2001-8-27 8096 Los Angeles Throop Peak, west of Mt. Baden-Powell 2780 Comment
  SD194130  Phacelia austromontana R. G. Swinney 1998-7-21 6487 Los Angeles San Gabriel Mountains; 0.8 mile southeast of junction of Pine Mountain Ridge and Fish Fork Trail. 2256 Comment
  SD197604  Eleocharis macrostachya R. G. Swinney 2008-4-30 8697 Los Angeles Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  SD197807  Juglans californica R. G. Swinney 2008-4-9 8621 Los Angeles San Gabriel Mountains: Glendora, Wildwood Canyon. 328 Comment
  SD197857  Gilia capitata R. G. Swinney 2005-4-9 8209 Los Angeles San Gabriel Mountains: San Dimas, Sycamore Canyon. 395 Comment
  SD197929  Mimetanthe pilosa R. G. Swinney, Cody Clarke 2001-8-22 8086 Los Angeles 1.5 miles southsouthwest of Dawson Saddle, junction of South Fork Big Rock Creek and Highway 2. 2305 Comment
  SD234214  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 (Mount San Antonio 7.5' Q) 2012 Comment
  SD234290  Chaenactis glabriuscula R. G. Swinney 2000-5-20 7695 Los Angeles San Gabriel Mtns.: NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39. 755 Comment
  SD237260  Bromus catharticus R. G. Swinney 2009-4-13 10314 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: San Gabriel River under the Puente Largo railway bridge, .5 mi north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  SD237266  Elymus ponticus R. G. Swinney 2008-6-17 9025 Los Angeles San Gabriel Mountains: 2.3 mi. north of Hwy 2 at Vincent Gap Pinyon Ridge Motorway. 1992 Comment
  SD237370  Cryptantha pterocarya R. G. Swinney 2009-4-28 10537 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  SD237497  Monardella breweri R. G. Swinney 2008-6-4 8944 Los Angeles San Gabriel Mountains: Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center (Valyermo 7.5'Q) 1470 Comment
  SD237556  Leptosiphon breviculus R. G. Swinney 2009-4-28 10524 Los Angeles Transverse Range: San Gabriel Mountains: summit of Mt Emma (Pacifico Mountain 7.5'Q) 1584 Comment
  SD237624  Pedicularis semibarbata R. G. Swinney 2008-7-24 9283 Los Angeles San Gabriel Mountains: Waterman Mountain (Waterman Mountain 7.5'Q) 2412 Comment
  SD237633  Solanum nigrum R. G. Swinney 2009-4-13 10313 Los Angeles Transverse Ranges: San Gabriel Mountains Foothills: San Gabriel River under the Puente Largo railway bridge, 0.5 mile north of Foothill Blvd. oneast side of El Encanto Parkway, west of El Encanto Park in Duarte (Azusa 7.5'Q) West side of channel. 184 Comment
  SD239786  Phacelia curvipes R. G. Swinney 2008-6-17 9027 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
  SD239857  Eriogonum microthecum R. G. Swinney 2008-7-16 9262 Los Angeles San Gabriel Mtns.: Little Rock Creek, 0.1 mi north of its confluence with Cooper Canyon, on the Burkhart Trail. 1741 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
  SD240862  Pseudognaphalium 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. 188 Comment
  SD240980  Crassula tillaea R. G. Swinney 2009-4-7 10302 Los Angeles Transverse Ranges: San Gabriel Mountains Foothills and S.G. Valley; Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel (Azusa 7.5'Q) 168 Comment
  SD241154  Claytonia parviflora R. G. Swinney 2009-4-7 10282 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills: San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west (Axusa 7.5'Q) 184 Comment
  SD247481  Eriogonum giganteum R. G. Swinney 2009-11-9 11581 Los Angeles Transverse Range; San Gabriel Mountains: confluence of Burro Canyon and East Fork San Gabriel River along Highway 39. 451 Comment
Read comments
May 29 2016
  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
  SD253333  Bromus madritensis subsp. rubens R. G. Swinney 2011-3-26 14221 Los Angeles San Gabriel Mountains: San Dimas Experminetal Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  SD253337  Vulpia myuros R. G. Swinney 2011-3-26 14226 Los Angeles San Gabriel Mountains: San Dimas Experminetal Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  SD253355  Yabea microcarpa R. G. Swinney 2011-5-3 14560 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area. 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 487 Comment
  SD253363  Ambrosia acanthicarpa R. G. Swinney 2011-10-27 15925 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 m east of entrancce gate to Cogswell Damm, between FS Rd 2N25 and the stream. 648 Comment
  SD253367  Artemisia dracunculus R. G. Swinney 2011-10-27 15920 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 metrers east of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 648 Comment
  SD253371  Brickellia californica R. G. Swinney 2011-10-27 15927 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 meters east of entrance gate to Cogswell Dam, between FS rd 2N25 and the stream. 648 Comment
  SD253385  Erigeron canadensis R. G. Swinney 2011-3-26 14198 Los Angeles San Gabriel Mts.: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with Dan Dimas Canyon (Glendora 7.5'Q) 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
  SD253417  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-12 14714 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Canyon (Pacifico Mountain 7.5'Q) 1195 Comment
  SD253428  Stellaria media R. G. Swinney 2011-3-26 13224 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
  SD253440  Croton californicus R. G. Swinney 2010-4-13 12189 Los Angeles San Gabriel Mountains: 0.35 mile north of Limekiln Canyon, bottom along ridgeline motorway, south of Pacoima Dam. 0.4 mile east of Pacoima Canyon. 609 Comment
  SD253469  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 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
  SD253501  Camissonia strigulosa R. G. Swinney 2011-5-19 14765 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of junction of Colby Ranch Road and FS Rd 3N19, upper Big Tujunga Canyon, between Colby Ranch Road and Coldwater Canyon stream, below abandoned Milley's Apple Orchard (Chilao Flat 7.5'Q) 911 Comment
  SD253504  Clarkia xantiana R. G. Swinney 2011-5-31 14922 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  SD253510  Paeonia californica R. G. Swinney 2011-3-18 14172 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  SD253516  Penstemon grinnellii var. grinnellii R. G. Swinney 2011-6-15 15168 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, ca. 0.7 road mile NW of S entrance at Angeles Crest Highway. 1584 Comment
  SD253522  Keckiella ternata R. G. Swinney 2011-7-7 15427 Los Angeles San Gabriel Mountains: Colby Ranch, S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Canyon. 1220 Comment
  SD253551  Salix gooddingii R. G. Swinney 2011-3-18 14166 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, SE of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  SD254555  Uropappus lindleyi R. G. Swinney 2011-6-7 15056 Los Angeles San Gabariel 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 (Chilao Flat 7.5'Q) 1573 Comment
  SD254696  Ceanothus leucodermis R. G. Swinney 2011-7-8 15484 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) 1427 Comment
  SD255661  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14139 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  SD255805  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2008-7-16 9251 Los Angeles San Gabriel Mountains: Will Thrall Peak, west of Burkhart Saddle (Juniper Hills 7.5'Q) 2378 Comment
  SD257142  Muhlenbergia rigens R. G. Swinney 2010-9-9 13759 Los Angeles San Gabriel Mountains:Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. (Crystal Lek 7.5'Q) Comment
  SD260148  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 Criso Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy (Chilao Flat 7.5'Q) 1096 Comment
  SD260176  Chaenactis xantiana R. G. Swinney 2010-5-19 12779 Los Angeles San Gabriel Mountains / Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Tel. Access Rd., west of Angeles Natl. Forest boundary, 2.05 air miles due E of Angeles Forest Hwy., 0.8 miles due W of Mt. Emma Rd. 1335 Comment
  SD260258  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 W of Angeles Nat. Forest boundary, 2.05 air miles due E of Angeles Forest Hwy., 0.8 mi. due W of Mt Emma Rd. 1335 Comment
  SD260266  Salvia columbariae R. G. Swinney 2010-5-19 12824 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd, just W of Angeles Nat. Forest boundary, 2.05 mi. due E of Angeles Forest Hwy, 0.8 mi due W of Mt Emma Rd 1349 Comment
  SD262179  Anisocoma acaulis R. G. Swinney 2014-5-7 16337 Los Angeles San Gabriel Mountains: east of Valyermo, east end of Holcomb Ridge, 0.35 - 0/45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge. 1280 Comment
  SD262190  Helianthus annuus R. G. Swinney 2014-5-27 16656 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forksof Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. Debris basin. 445 Comment
  SD262240  Caulanthus cooperi R. G. Swinney 2014-4-30 16268 Los Angeles San Gabriel Mountains: 3.8 - 4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road to ridge. C. 3 acres burned in 2012. 1387 Comment
  SD262246  Lepidium fremontii R. G. Swinney 2014-4-17 16076 Los Angeles San Gabriel Mountains: SW of Littlerock, 0.5 - 0.8 mi. east of Cheseboro Rd., 100 - 200 m soouth of CA Aqueduct, 0.66 mile due S of Hwy. 138 / Pearblossom Hwy. 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
  SEINET12723482 Image available Chenopodium berlandieri R. G. Swinney 2011-1 15680 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
  SEINET13203124 Image available Camissonia californica R. G. Swinney 2010-1 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. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  SEINET13203157 Image available Schismus barbatus R. G. Swinney 2010-1 11822 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  SEINET13203201 Image available Pellaea andromedifolia R. G. Swinney 2011-1 15851 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  SEINET13203207 Image available Polypogon interruptus R. G. Swinney 2011-1 15880 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
  SEINET13203225 Image available Lathyrus vestitus subsp. vestitus R. G. Swinney 2011-1 14157 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5' Q.) (T1N R9W S28) 366 Comment
  SEINET13203242 Image available Cryptantha muricata var. denticulata R. G. Swinney 2011-1 14598 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break (Glendora 7.5' Q.) (T1N R9W S8) 1006 Comment
  SEINET13203248 Image available Cryptantha microstachys R. G. Swinney 2011-1 14602 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road (Glendora 7.5' Q.) (T1N R9W S5; T1N R9W S8) 792 Comment
  SEINET13203275 Image available Ericameria nauseosa subsp. consimilis R. G. Swinney 2011-1 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 (Crystal Lake 7.5' Q.) 1000 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
  SEINET13276728 Image available Rhamnus californica subsp. californica R. G. Swinney 2011-1 15517 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the north base of Strawberry Peak (Chilao Flat 7.5' Q.) 1170 Comment
  SEINET13276731 Image available Hypochaeris glabra R. G. Swinney 2011-1 14474 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13276778 Image available Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-1 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 (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13276806 Image available Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-1 14488 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13276819 Image available Orobanche fasciculata R. G. Swinney 2011-1 1531 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  SEINET13276832 Image available Chenopodium berlandieri R. G. Swinney 2011-1 15742 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
  SEINET13276838 Image available Ribes malvaceum var. viridifolium R. G. Swinney 2011-1 14191 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  SEINET13297585 Image available Ageratina adenophora R. G. Swinney 2011-1 14481 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
  SEINET13297586 Image available Poa howellii R. G. Swinney 2011-1 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" (Chilao Flat 7.5' Q.) (T3N R12W S35) 911 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
  SEINET13383036 Image available Arabis sparsiflora R. G. Swinney 2011-1 15321 Los Angeles Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  SEINET13383041 Image available Linanthus californicus R. G. Swinney 2011-1 15315 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  SEINET13383047 Image available Calocedrus decurrens R. G. Swinney 2011-1 15316 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
  SEINET13383115 Image available Eucalyptus camaldulensis R. G. Swinney 2010-1 12109 Los Angeles San Gabriel Moutains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  SEINET13383403 Image available Chorizanthe xanti var. xanti R. G. Swinney 2010-1 13079 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1073 Comment
  SEINET13383409 Image available Muhlenbergia microsperma R. G. Swinney 2010-1 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 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
  SEINET13384055 Image available Horkelia rydbergii R. G. Swinney 2011-1 15312 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
  SEINET13386991 Image available Umbellularia californica R. G. Swinney 2011-1 15968 Los Angeles San Gabriel Mountains: West Fork San Gabriel Canyon, West Fork Natl. Scenic Bikeway, 50 meters S of Pasadena Bait Club, 1.68 miles below Glen Cyn. Campground (Azusa 7.5'Q.) 585 Comment
  SEINET13386997 Image available Phacelia distans R. G. Swinney 2011-1 14843 Los Angeles San Gabriel Mountains: 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. (Pacifico Mtn. 7.5' Q.) (T4N R12W S15) 1061 Comment
  SEINET13387003 Image available Ericameria pinifolia R. G. Swinney 2011-1 15688 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge (Chilao Flat 7.5' Q.) (T3N R12W S35) 1009 Comment
  SEINET13387009 Image available Lupinus latifolius R. G. Swinney 2011-1 15376 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon (Chilao Flat 7.5' Q.) (T3N R12W S35) 1085 Comment
  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
  SEINET13387016 Image available Castilleja minor subsp. spiralis R. G. Swinney 2011-1 15720 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
  SEINET13387044 Image available Ericameria parryi R. G. Swinney 2011-1 15706 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
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Sep 6 2017
  SEINET13387097 Image available Gnaphalium microcephalum R. G. Swinney 2011-1 15682 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  SEINET3095402 Image available Ribes indecorum Dick Swinney 1990-1-6 1508 Los Angeles San Gabriel Mountains, 70 yards W of Glendora Mountain Road, just N of Glendora Ridge Motorway, on an old dirt road. Comment
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Oct 1 2020
  SEINET3196472 Image available Eriophyllum wallacei Richard G. Swinney 2009-4-2 10245 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road. (Valyermo 7.5' Q.) 1223 Comment
  SEINET3218491 Image available Pectocarya linearis Richard G. Swinney 2009-4-2 10246 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 min Q.) 1223 Comment
  SEINET3237807 Image available Erythranthe guttata R. G. Swinney 1999-8-14 7628 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
  SEINET3245928  Polypogon interruptus R. G. Swinney 2005-1 8386 Los Angeles San Gabriel Mtns.: Big Rock Creek at Paradise Springs. 1439 Comment
  SEINET3259905 Image available Vicia villosa R. G. Swinney 2008-3-26 8579 Los Angeles San Gabriel Mtns.; San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn. 354 Comment
  SEINET3347172  Amsinckia intermedia R. G. Swinney 2009-3-25 10159 Los Angeles San Gabriel Mtns. Foothills; far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park (Azusa 7.5' Q). 549 Comment
  SEINET3860255  Lupinus microcarpus R. G. Swinney 2009-4-24 10439 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of LIttlerock Creek Campground.; 0 915 Comment
  SEINET3860261  Lupinus bicolor R. G. Swinney 2009-3-19 10147 Los Angeles San Gabriel Mtns. Foothills: Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel channel, c. 100 m north of Hwy 39.; 0 230 Comment
  SEINET3860278  Phacelia distans R. G. Swinney 2009-4-28 10513 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  SEINET4691738  Gutierrezia microcephala R. G. Swinney 2009-1 11606 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  SEINET4691742  Senecio flaccidus var. douglasii R. G. Swinney 2009-1 11607 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  SEINET8043940 Image available Ageratina adenophora R. G. Swinney 2010-1 12293 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near end of Wallabi Ave. 433 Comment
  SEINET8044066 Image available Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-1 13461 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1036 Comment
  SEINET8044068 Image available Galium porrigens R. G. Swinney 2010-1 13467 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1036 Comment
  SEINET8044071 Image available Pectocarya linearis subsp. ferocula R. G. Swinney 2010-1 11876 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  SEINET998799  Castilleja exserta R. G. Swinney 1998-1 5931 Los Angeles San Gabriel Mtns: Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. (Mt. Baldy 7.5 Q) 768 Comment
  UC1951094  Clarkia xantiana Swinney, 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. USGS Valyermo 7.5' Quad. 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
  UCD169439  Clematis pauciflora R. G. Swinney 2009-2-20 10022 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel. 177 Comment
  UCD170250  Eriogonum davidsonii R. G. Swinney 2008-5-13 8854 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCD170932  Ceanothus greggii R. G. Swinney 2009-5-28 10963 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCD170933  Ceanothus oliganthus var. 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
  UCR100066  Leptodactylon californicum R. G. Swinney 1969-4-2 317 Los Angeles Western Transverse Range; Santa Monica Mtns., 3 mi south of Calabasas, north of Mulholland Hwy 488 Comment
  UCR121260  Ambrosia acanthicarpa R. G. Swinney 1989-11-24 1498 Los Angeles San Gabriel Mtns, Big Dalton Canyon area, in and near Glendora Wilderness Park. Big Dalton debris basin 366 Comment
  UCR141366  Arctostaphylos parryana R. G. Swinney 1997-8-19 5812 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
  UCR141858  Larrea tridentata R. G. Swinney 1997-9-6 5866 Los Angeles San Gabriel Mtns., 223rd St., 0.5 mi south of Fort Tejon Rd; about 30 ft east of road. 1195 Comment
  UCR149306  Erigeron foliosus R. G. Swinney 1997-7-14 5676 Los Angeles San Gabriel Mtns., west of Wrightwood, Table Mtn. area, c. 100 m NW of amphitheater and Table Mtn. Campground 2207 Comment
  UCR149311  Castilleja foliolosa R. G. Swinney 1998-4-4 5911 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
  UCR149317  Scutellaria tuberosa R. G. Swinney 1998-4-13 5963 Los Angeles San Gabriel Mtns., Claremont Hills Wilderness Park 622 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
  UCR149528  Astragalus lentiginosus var. antonius R. G. Swinney 1997-6-25 5641 Los Angeles San Gabriel Mtns., southwest of Wrightwood, Blue Ridge c. 0.5 mi. west of Guffy Camp, Forest Service Rd. 3N06, c. 5.1 miles east of Hwy 2 2518 Comment
  UCR149886  Polypogon monspeliensis R. G. Swinney 1999-6-18 7332 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR149900  Lupinus R. G. Swinney 1999-6-18 7317 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR149915  Bromus hordeaceus R. G. Swinney 1997-6-25 5654 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  UCR150449  Cuscuta indecora R. G. Swinney 1999-6-21 7378 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  UCR150456  Agrostis viridis R. G. Swinney 1999-6-21 7358 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR150470  Asclepias californica R. G. Swinney 1999-6-21 7391 Los Angeles San Gabriel Mtns., Boulder Canyon, upper end near Hwy 2 1854 Comment
  UCR150539  Calochortus palmeri R. G. Swinney 1999-6-21 7382 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  UCR150540  Cryptantha nevadensis var. rigida R. G. Swinney 1999-6-21 7384 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  UCR150708  Lamarckia aurea R. G. Swinney, Dave Larson 1999-5-15 7170 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150832  Mimulus floribundus R. G. Swinney, Dave Larson 1999-5-15 7152 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 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
  UCR150834  Conyza canadensis R. G. Swinney, Dave Larson 1999-5-15 7154 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
  UCR150840  Salix lasiolepis R. G. Swinney, Dave Larson 1999-5-15 7178 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150873  Linanthus dichotomus R. G. Swinney 1998-4-14 5973 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
  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
  UCR178614  Papaver R. G. Swinney 1989-8-25 s.n. Los Angeles San Gabriel Mtns., Glendora, 50 yards north of Bluebird Motorway, 100 yards west of eastern boundary of Bluebird Ranch Comment
  UCR178773  Veronica anagallis-aquatica R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 1.4 mi. east of Glendora Mountain Road 442 Comment
  UCR178774  Ribes aureum var. gracillimum R. G. Swinney 1989-5-11 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. 200 yards north of Sierra Madre Ave., east of Big Dalton Channel, east of Glendora Mtn. Road 335 Comment
  UCR178779  Echinochloa crus-galli R. G. Swinney 1989-10-14 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 335 Comment
  UCR178781  Clarkia dudleyana R. G. Swinney 1969-5-29 s.n. Los Angeles San Gabriel Mtns., Glendora, Glendora Wilderness park, 1 mile NE of Glendora Mtn. Road in Big Dalton Canyon 421 Comment
  UCR178787  Galium angustifolium subsp. angustifolium R. G. Swinney 1989-5-17 s.n. Los Angeles San Gabriel Mtns, SW border of Glendora Wilderness Park, along fire road at Bluebird Hill 390 Comment
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Mar 10 2013
  UCR178798  Oxalis pes-caprae R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  UCR178895  Arabis glabra 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
  UCR178920  Parietaria hespera var. hespera R. G. Swinney 1989-5-11 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. 200 yards north of Sierra Madre Ave., east of Big Dalton Channel, east of Glendora Mtn. Road 335 Comment
  UCR178950  Poa secunda R. G. Swinney 1989-8-23 s.n. Los Angeles San Gabriel Mtns., above Glendora, Bluebird Motorway near Sycamore Flat 854 Comment
  UCR179257  Camissonia californica R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon 366 Comment
  UCR179262  Adenostoma fasciculatum R. G. Swinney 1967-6-25 154 Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 488 Comment
  UCR179263  Heteromeles arbutifolia R. G. Swinney 1968-8-4 295 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon 610 Comment
  UCR179264  Delphinium cardinale R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 1.3 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  UCR179269  Rosa woodsii R. G. Swinney 1989-5-10 s.n. Los Angeles San Gabriel Mtns, Glendora, Big Dalton Canyon 610 Comment
  UCR179296  Brodiaea filifolia R. G. Swinney 1970-5-9 0740 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi N of Sierra Madre Ave., N of Pennsylvania Ave. Property formerly owned by Bender family but purchased and now being developed by Robert Hughes 366 Comment
  UCR179300  Bromus grandis R. G. Swinney 1989-6-27 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 0.7 mi. east of Glendora Mtn. Road, at 'Maple Canyon 427 Comment
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Mar 14 2017
  UCR179489  Rumex crispus R. G. Swinney 1989-5-31 s.n. Los Angeles San Gabriel Mtns., Glendora, north end of Big Dalton Dam near Big Dalton Canyon Rd. 518 Comment
  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
  UCR179645  Juncus balticus R. G. Swinney 1995-9-4 4504 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
  UCR179686  Marrubium vulgare R. G. Swinney, Dave Larson 1996-8-7 5244 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
  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
  UCR179703  Allophyllum divaricatum R. G. Swinney, Dave Larson 1996-7-17 5133 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179704  Achillea millefolium R. G. Swinney, Dave Larson 1996-7-17 5132 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179727  Gnaphalium californicum R. G. Swinney, Dave Larson 1996-7-17 5146 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179735  Lupinus andersonii R. G. Swinney, Dave Larson 1996-7-17 5135 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179892  Monardella cinerea R. G. Swinney 1995-8-28 4476 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  UCR179966  Lomatium nevadense R. G. Swinney 1996-5-27 4741 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  UCR179999  Chrysolepis sempervirens R. G. Swinney 1995-8-28 4481 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  UCR180020  Lupinus excubitus R. G. Swinney, Dave Larson 1996-8-7 5223 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  UCR180182  Dactylis glomerata R. G. Swinney 1989-7-24 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 0.7 mi. east of Glendora Mtn. Road 396 Comment
  UCR180183  Echinochloa crus-galli R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., north of Glendora, Littloe Dalton Debris Basin 366 Comment
  UCR180184  Echinochloa crus-galli R. G. Swinney 1988-9-5 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon Debris basin 335 Comment
  UCR181013  Dodecatheon clevelandii R. G. Swinney 1997-2-8 5405 Los Angeles San Gabriel Mtns., Fish Canyon, near the mouth of the San Gabriel River on Azusa-Duarte boundary, c. 1 mile north of trailhead in canyon 366 Comment
  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
  UCR181109  Heuchera elegans R. G. Swinney 1997-4-25 5508 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
  UCR181121  Pinus flexilis R. G. Swinney 1997-4-25 5498 Los Angeles San Gabriel Mtns., at peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village 2441 Comment
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May 29 2013
  UCR181135  Allium peninsulare R. G. Swinney 1997-5-13 5522 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 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
  UCR181259  Eriogonum nudum R. G. Swinney 1997-6-13 5577 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 1.1 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 1841 Comment
  UCR181267  Cryptantha oxygona R. G. Swinney 1997-6-13 5578 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
  UCR181519  Juniperus californica R. G. Swinney 1994-6-12 2941 Los Angeles North Slope of Eastern San Gabriel Mtns, Pinon Hills, near entrance to Jubilee Scout Ranch, 2 mi south of Hwy 138 and just west of the San Bernardino Co. line, c. 200 m west of Boneyard Canyon 1341 Comment
  UCR181676  Spergularia marina R. G. Swinney 1993-6-14 2257 Los Angeles San Gabriel Mtns., Glendora, Little Dalton Debris Basin 366 Comment
  UCR181701  Equisetum hyemale R. G. Swinney 1993-3-5 2008 Los Angeles San Gabriel Mtns., Glendora, Monroe Canyon, 50 yards north of Big Dalton Canyon Rd. at junction of Monroe and Big Dalton Canyons, on west side of stream 576 Comment
  UCR182115  Lithophragma R. G. Swinney 1998-4-13 5964 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
  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
  UCR182268  Claytonia perfoliata R. G. Swinney, Dave Larson 1998-4-26 6035 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  UCR182385  Clarkia epilobioides R. G. Swinney 1998-5-9 6046 Los Angeles San Gabriel Mountains, Fern Canyon, a tributary of Fish Canyon, c. 600 m west of Fish Cyn stream bottom 351 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
  UCR182667  Plagiobothrys nothofulvus R. G. Swinney 1998-4-13 5948 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR182685  Sanicula crassicaulis R. G. Swinney 1998-4-13 5952 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR182708  Delphinium glaucum R. G. Swinney 1997-7-16 5663 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
  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
  UCR182750  Platanthera sparsiflora R. G. Swinney 1997-7-23 5722 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR182768  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1997-7-22 5718 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
  UCR189252  Nemacladus sigmoideus R. G. Swinney 1998-5-16 6076 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189253  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 1348 Comment
  UCR189254  Minuartia douglasii R. G. Swinney 1998-5-16 6090 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
  UCR189259  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 1348 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
  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
  UCR189395  Delphinium patens R. G. Swinney 1998-5-30 6160 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR189405  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
  UCR189668  Lotus 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
  UCR189676  Eriogonum saxatile R. G. Swinney 1998-7-2 6197 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR189701  Dactylis glomerata R. G. Swinney 1998-7-10 6406 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UCR189707  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1998-7-27 6495 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR189716  Erigeron breweri R. G. Swinney 1998-7-27 6492 A Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR189722  Euphorbia albomarginata R. G. Swinney 1998-7-10 6375 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR189723  Caulanthus amplexicaulis R. G. Swinney 1998-7-10 6376 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR189724  Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  UCR189729  Madia gracilis R. G. Swinney 1998-7-21 6481 Los Angeles San Gabriel Mtns., 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
  UCR189746  Aquilegia formosa R. G. Swinney 1998-7-10 6368 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  UCR189752  Elymus elymoides R. G. Swinney 1998-7-10 6396 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
  UCR189754  Calyptridium monandrum R. G. Swinney 1998-7-10 6398 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
  UCR189819  Eriogonum umbellatum R. G. Swinney 1998-9-4 6888 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR189830  Pyrola dentata R. G. Swinney 1998-7-21 6460 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 200 m east of Camp Lupine trail junction at Fish Fork Trail 2220 Comment
  UCR189842  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-7-27 6509 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR189843  Mentzelia veatchiana R. G. Swinney 1998-7-27 6508 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCR189844  Mimulus rubellus R. G. Swinney 1998-7-14 6455 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
  UCR189849  Viola purpurea subsp. quercetorum R. G. Swinney 1998-7-21 6468 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail 1951 Comment
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May 9 2012
  UCR189856  Carex fracta R. G. Swinney 1998-7-14 6416 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
  UCR189870  Sonchus oleraceus R. G. Swinney 1998-7-10 6409 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1585 Comment
  UCR189891  Lotus oblongifolius R. G. Swinney 1998-7-14 6434 Los Angeles San Gabriel Mtns., SW of Wrightwood, 7.1 miles SE of Hwy 2 and 3N06 junction at 3N39, stream crossing road in a tributary canyon of Prairie Fork 2171 Comment
  UCR189949  Cryptantha R. G. Swinney 1998-8-31 6869 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.9 mi. west of Mt. Baldy, east of saddle 2500 Comment
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Feb 19 2020
  UCR189956  Erigeron foliosus R. G. Swinney 1998-9-4 6890 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  UCR189988  Gilia capitata R. G. Swinney 1998-6-16 6970 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  UCR189991  Collinsia callosa R. G. Swinney 1998-6-12 6958 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
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May 2 2012
  UCR190018  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
  UCR190025  Chaenactis glabriuscula R. G. Swinney 1998-6-12 6956 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  UCR190031  Oxytheca trilobata R. G. Swinney 1998-6-16 6987 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR190037  Claytonia perfoliata R. G. Swinney 1998-6-16 6974 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
  UCR190048  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
  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
  UCR190082  Pyrola dentata R. G. Swinney 1998-8-27 6813 Los Angeles San Gabriel Mtns., upper Big Horn Ridge area, talus slope north of the ridge 2744 Comment
  UCR190083  Leptodactylon pungens R. G. Swinney 1998-8-27 6816 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR190084  Oreonana vestita R. G. Swinney 1998-8-27 6818 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR190089  Oenothera elata subsp. hookeri R. G. Swinney 1998-7-24 6564 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR190090  Woodwardia fimbriata R. G. Swinney 1998-7-30 6597 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190120  Cercocarpus ledifolius R. G. Swinney 1998-8-27 6793 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
  UCR190228  Verbena lasiostachys R. G. Swinney 1998-8-1 6605 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  UCR190258  Pityrogramma triangularis R. G. Swinney 2000-5-21 7779 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UCR190260  Clarkia dudleyana R. G. Swinney 2000-5-21 7781 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon Rd., 1 mile south of junction with Hwy 39 at Rincon Station 915 Comment
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Mar 16 2017
  UCR190286  Eschscholzia californica R. G. Swinney 1998-8-1 6621 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
  UCR190351  Agoseris retrorsa R. G. Swinney 2001-6-16 7970 Los Angeles San Gabriel Mtns., Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons 1951 Comment
  UCR190357  Mentzelia R. G. Swinney 2001-6-16 7976 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
  UCR190363  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
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Mar 12 2017
  UCR190364  Phacelia cryptantha R. G. Swinney 2001-6-16 7975 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR190375  Sambucus mexicana R. G. Swinney 2001-6-16 7988 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR190406  Lotus salsuginosus R. G. Swinney 2000-5-20 7691 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  UCR190411  Collinsia R. G. Swinney 2000-5-20 7688 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  UCR190417  Muilla maritima R. G. Swinney 2000-5-19 7681 Los Angeles San Gabriel Mtns., San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden Hills Rd. and 400 m west of stream 512 Comment
  UCR190438  Rumex crispus R. G. Swinney 2000-5-10 7676 Los Angeles San Gabriel Mtns., San Gabriel River bottom, c. 600 m NE of confluence with Fish Canyon between bike path and river bottom 220 Comment
  UCR190447  Claytonia parviflora R. G. Swinney 2000-5-6 7668 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
  UCR190466  Linanthus parryae R. G. Swinney 2001-4-18 7876 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR190518  Castilleja applegatei R. G. Swinney 2000-6-19 7821 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR190525  Elymus triticoides R. G. Swinney 1990-3-24 1553 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  UCR190604  Phalaris aquatica R. G. Swinney 2000-5-19 7687 Los Angeles San Gabriel Mtns., San Dimas, Johnstone Peak ridge, overlooking San Dimas Canyon at end of dirt road SE from the peak 768 Comment
  UCR190609  Cardamine californica R. G. Swinney 1990-3-14 1522 Los Angeles San Gabriel Mountains, Glendora Wilderness Park, on Big Dalton Canyon Road, 1.0 mi east of Glendora Mtn Road, east side of road 442 Comment
  UCR190728  Bromus hordeaceus R. G. Swinney 1990-3-24 1552 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  UCR190745  Zigadenus brevibracteatus R. G. Swinney 2001-5-17 7954 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, hilltop c. 300 m north of Panorama Rd. at a point 0.8 mile west of Largo Vista Rd. 1369 Comment
  UCR190758  Triticum aestivum R. G. Swinney 1999-7-5 7505 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
  UCR190760  Arenaria macradenia R. G. Swinney 1999-7-5 7499 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
  UCR190786  Krascheninnikovia lanata R. G. Swinney 2001-4-18 7921 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR190855  Arctostaphylos patula R. G. Swinney 1998-7-2 6227 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR190871  Claytonia parviflora subsp. viridis R. G. Swinney 1999-7-5 7524 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
  UCR190877  Dactylis glomerata R. G. Swinney, Dave Larson 1999-6-12 7544 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  UCR190882  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6722 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, granite cliff on east side c. 100 m below Fish Fork 1037 Comment
  UCR190883  Elymus elymoides R. G. Swinney, Cody Clarke 2001-6-20 8002 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR190889  Chaenactis santolinoides R. G. Swinney, Cody Clarke 2001-6-20 7993 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR190890  Silene verecunda R. G. Swinney, Cody Clarke 2001-6-20 7994 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR190918  Mimulus cardinalis R. G. Swinney 1998-7-10 6363 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  UCR190925  Lobelia dunnii R. G. Swinney 1999-7-14 7558 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 0.25 mi. north of Laurel Gulch 713 Comment
  UCR190931  Caulanthus major R. G. Swinney 1998-7-2 6200 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191188  Adiantum aleuticum R. G. Swinney 1999-7-28 7590 Los Angeles San Gabriel Mtns., Clark Gulch, c. 75 m east of confluence with East Fork San Gabriel River Canyon 991 Comment
  UCR191197  Gilia splendens R. G. Swinney 1999-7-5 7529 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
  UCR191266  Silene verecunda R. G. Swinney 1998-7-2 6211 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191280  Carex alma R. G. Swinney 1999-6-30 7481 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  UCR191299  Spartium junceum R. G. Swinney 1998-7-6 6272 Los Angeles San Gabriel Mtns., Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  UCR191521  Gayophytum R. G. Swinney 1998-7-8 6302 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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May 1 2012
  UCR191527  Ceanothus cordulatus R. G. Swinney 1998-7-8 6319 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR191535  Allophyllum gilioides R. G. Swinney 1998-7-8 6309 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR192828  Gilia splendens R. G. Swinney 1998-7-6 6286 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  UCR192845  Boykinia rotundifolia R. G. Swinney 1998-8-6 6711 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR192858  Aquilegia formosa R. G. Swinney 1998-7-14 6425 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR192860  Carex subfusca R. G. Swinney 1998-7-14 6427 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR192886  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
  UCR192960  Lupinus R. G. Swinney 1998-7-14 6445 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  UCR193142  Monardella cinerea R. G. Swinney 1999-8-9 7609 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
  UCR193144  Artemisia ludoviciana R. G. Swinney 1999-8-16 7654 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR193149  Fritillaria pinetorum R. G. Swinney 1999-8-9 7610 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
  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
  UCR193170  Mentzelia R. G. Swinney 1999-8-14 7633 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
  UCR193445  Cistus ladanifer R. G. Swinney 1999-4-8 7075 Los Angeles San Gabriel Mtns., Claremont, Palmer Canyon c. 100 m east of Cobal Canyon 512 Comment
  UCR193502  Collinsia heterophylla R. G. Swinney, Dave Larson 1999-6-25 7412 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR193535  Eriastrum R. G. Swinney 1999-6-18 7280 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
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May 3 2012
  UCR193551  Viola sheltonii R. G. Swinney, Dave Larson 1999-6-25 7419 Los Angeles San Gabriel Mtns., south fork of Fern Canyon, NE of Browns Flat 1341 Comment
  UCR193562  Silene verecunda R. G. Swinney 1999-6-28 7441 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  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
  UCR193564  Salix lasiolepis R. G. Swinney 1999-6-28 7431 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193575  Cryptantha similis R. G. Swinney 1999-4-5 7060 B Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCR193596  Epilobium ciliatum R. G. Swinney 1998-8-6 6706 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR193671  Eriogonum davidsonii R. G. Swinney 1999-6-28 7421 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193677  Stipa speciosa R. G. Swinney 1999-6-5 7268 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  UCR193682  Dudleya cymosa R. G. Swinney, Dave Larson 1999-5-29 7233 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193683  Pholistoma auritum var. auritum R. G. Swinney, Dave Larson 1999-5-15 7139 Los Angeles San Gabriel Mtns., Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 549 Comment
  UCR193684  Lobelia dunnii var. serrata R. G. Swinney, Dave Larson 1999-5-29 7231 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193689  Selaginella bigelovii R. G. Swinney, Dave Larson 1999-5-29 7226 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193690  Mimulus guttatus R. G. Swinney, Dave Larson 1999-5-29 7227 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193706  Bromus diandrus R. G. Swinney, Dave Larson 1999-5-29 7223 B Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193711  Datisca glomerata R. G. Swinney, Dave Larson 1999-6-25 7418 Los Angeles San Gabriel Mtns., south fork of Fern Canyon, NE of Browns Flat 1341 Comment
  UCR193996  Chrysothamnus nauseosus R. G. Swinney 1998-9-4 6920 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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Jul 6 2021
  UCR194008  Dudleya lanceolata R. G. Swinney 1998-8-17 6768 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  UCR194012B  Eriophyllum confertiflorum R. G. Swinney 1999-6-5 7250 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR194013B  Camissonia campestris R. G. Swinney 1999-5-22 7209 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  UCR194014B  Amsinckia tessellata R. G. Swinney 1999-6-5 7251 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR194020  Langloisia matthewsii R. G. Swinney 1999-6-5 7240 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR194036  Lotus procumbens R. G. Swinney 1999-6-5 7246 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 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
  UCR194076  Mimulus floribundus R. G. Swinney, Dave Larson 1999-5-29 7212 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with Wolfskill Canyon 537 Comment
  UCR194171  Epipactis gigantea R. G. Swinney 1998-7-24 6558 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR194177  Epilobium canum R. G. Swinney 1998-7-24 6561 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  UCR194182  Boykinia rotundifolia R. G. Swinney 1998-7-29 6550 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  UCR194183  Elymus R. G. Swinney 1998-7-29 6528 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  UCR194184  Epilobium R. G. Swinney 1998-7-29 6534 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
  UCR194189  Polystichum imbricans R. G. Swinney 1998-7-29 6545 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  UCR194265  Equisetum laevigatum R. G. Swinney 1998-8-5 6658 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  UCR194273  Polypodium californicum R. G. Swinney, Dave Larson 1999-6-25 7396 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR194274  Claytonia perfoliata R. G. Swinney 1999-4-9 7084 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  UCR194281  Lilium humboldtii R. G. Swinney 1998-8-5 6660 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
  UCR194298  Osmorhiza brachypoda R. G. Swinney 1999-4-9 7081 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  UCR194356  Eriogonum davidsonii R. G. Swinney 1998-9-4 6917 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR194576  Trifolium monanthum R. G. Swinney 1998-7-29 6533 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
  UCR194595  Claytonia perfoliata R. G. Swinney, Dave Larson 1999-6-25 7400 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR194612  Castilleja applegatei R. G. Swinney 1998-8-13 6752 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR194614  Chrysothamnus nauseosus R. G. Swinney 1998-8-13 6753 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
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Jul 6 2021
  UCR194619  Phacelia R. G. Swinney 1998-8-13 6744 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR194630  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-8-13 6739 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR202518  Arctostaphylos patula R. G. Swinney 2001-8-9 8019 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  UCR202525  Artemisia ludoviciana R. G. Swinney 2005-8-15 8484 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR202531  Aster greatae R. G. Swinney 2001-8-10 8026 Los Angeles San Gabriel Mtns., Glendora, west fork of Little Dalton Canyon [in debris basin], near Glendora Mtn. Road 351 Comment
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May 4 2011
  UCR202537  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-9 8016 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  UCR202696  Ribes cereum R. G. Swinney 2001-8-11 8037 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCR202700  Platanthera dilatata var. leucostachys R. G. Swinney 2001-8-11 8034 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  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
  UCR202728  Populus tremuloides R. G. Swinney, Cody Clarke 2001-8-22 8076 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
  UCR202931  Oxytheca parishii R. G. Swinney 2001-8-22 8070 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
  UCR203099  Agrostis R. G. Swinney 2001-8-27 8109 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  UCR203101  Ribes nevadense R. G. Swinney 2001-8-27 8113 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  UCR203107  Pedicularis semibarbata R. G. Swinney 2001-8-27 8103 Los Angeles San Gabriel Mountains, Mt. Burnham, west of Mt. Baden-Powell 2743 Comment
  UCR203185  Salix lasiolepis R. G. Swinney 2005-5-21 8264 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
  UCR203203  Juncus bufonius R. G. Swinney 2005-5-21 8244 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR203204  Mimulus rubellus R. G. Swinney 2005-5-21 8245 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
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Oct 18 2010
  UCR203227  Atriplex serenana R. G. Swinney 2005-7-21 8338 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  UCR203235  Typha R. G. Swinney 2005-7-21 8315 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
  UCR203251  Perideridia gairdneri R. G. Swinney 2001-8-27 8121 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UCR203257  Eleocharis R. G. Swinney 2005-7-11 8299 Los Angeles San Gabriel Mountains, Juniper Hills, Pallet Creek 0.4 mile south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
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Sep 7 2017
  UCR204032  Symphoricarpos rotundifolius var. parishii R. G. Swinney 2001-9-15 8156 Los Angeles San Gabriel Mountains, Mt Islip 2515 Comment
  UCR204034  Juncus bufonius R. G. Swinney 2001-9-16 8158 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
  UCR204039  Chorizanthe perfoliata R. G. Swinney 2005-5-14 8233 Los Angeles San Gabriel Mountains, north of Juniper Hills, south of Pear Blossom, southeast corner of Tejon Road and Longview Road (131st Street) 1091 Comment
  UCR204040  Eschscholzia minutiflora R. G. Swinney 2005-5-14 8234 Los Angeles San Gabriel Mountains, north of Juniper Hills, south of Pear Blossom, southeast corner of Tejon Road and Longview Road (131st Street) 1091 Comment
  UCR204412  Ribes nevadense R. G. Swinney 2001-9-15 8172 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204413  Helenium bigelovii R. G. Swinney 2001-9-15 8173 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204414  Agrostis R. G. Swinney 2001-9-15 8174 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204419  Carex fracta R. G. Swinney 2001-9-15 8179 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204426  Papaver californicum R. G. Swinney 2003-5-3 8191 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, upper drainage on ridge between Pavil and Pine canyons 793 Comment
  UCR204430  Linanthus androsaceus R. G. Swinney 2003-5-12 8196 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.25 mi. S of Big Dalton Cyn. Rd. in upper 'Dunn Canyon' drainage, 0.25 mi. NW of Big Cienega Spring, S of Coulter Pine Trail 518 Comment
  UCR204442  Chaenactis glabriuscula R. G. Swinney 2005-4-9 8211 Los Angeles San Gabriel Mtns., San Dimas, Sycamore Canyon 518 Comment
  UCR204443  Antirrhinum kelloggii R. G. Swinney 2005-4-9 8212 Los Angeles San Gabriel Mtns., San Dimas, Sycamore Canyon 518 Comment
  UCR204444  Trifolium willdenovii R. G. Swinney 2005-4-9 8213 Los Angeles San Gabriel Mtns., San Dimas, Sycamore Canyon 518 Comment
  UCR204449  Astragalus gambelianus R. G. Swinney 2005-4-15 8219 Los Angeles San Gabriel Mtns., Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 351 Comment
  UCR204456  Sisymbrium altissimum R. G. Swinney 2005-7-21 8310 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
  UCR204565  Helenium bigelovii R. G. Swinney 2005-8-5 8382 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204572  Juncus balticus R. G. Swinney 2005-8-5 8389 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204573  Agrostis viridis R. G. Swinney 2005-8-5 8390 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204574  Plantago major R. G. Swinney 2005-8-5 8391 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204750  Eleocharis parishii R. G. Swinney 2005-8-9 8425 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
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May 10 2012
  UCR204810  Monardella linoides subsp. stricta R. G. Swinney 2005-8-26 8524 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  UCR204832  Mimulus floribundus R. G. Swinney 2005-8-11 8464 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204833  Camissonia R. G. Swinney 2005-8-11 8463 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204834  Hulsea heterochroma R. G. Swinney 2005-8-11 8462 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204839  Dicentra chrysantha R. G. Swinney 2005-8-11 8457 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204873  Asclepias fascicularis R. G. Swinney 2005-8-9 8400 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204874  Lactuca serriola R. G. Swinney 2005-8-9 8401 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204879  Polygonum aviculare R. G. Swinney 2005-8-9 8406 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204881  Festuca arundinacea R. G. Swinney 2005-8-9 8409 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204887  Lotus salsuginosus R. G. Swinney 2008-3-26 8573 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR204898  Rhus ovata R. G. Swinney 2008-4-1 8603 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  UCR205051  Solanum umbelliferum R. G. Swinney 2008-3-31 8585 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  UCR205062  Rumex crispus R. G. Swinney 2008-4-4 8608 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  UCR205063  Conium maculatum R. G. Swinney 2008-4-4 8609 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  UCR205064  Carpobrotus chilensis R. G. Swinney 2008-4-4 8610 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
  UCR205069  Ribes malvaceum R. G. Swinney 2008-4-7 8615 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  UCR205075  Juglans californica R. G. Swinney 2008-4-9 8620 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UCR205096  Pteridium aquilinum R. G. Swinney 2008-4-11 8658 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR205112  Viola pedunculata R. G. Swinney 2008-4-16 8674 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  UCR205113  Paeonia californica R. G. Swinney 2008-4-16 8675 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  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
  UCR205119  Phacelia cicutaria var. hubbyi R. G. Swinney 2008-4-17 8681 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  UCR205126  Astragalus gambelianus R. G. Swinney 2008-4-17 8688 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205130  Silene gallica R. G. Swinney 2008-4-17 8692 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205188  Eriogonum davidsonii R. G. Swinney 2008-5-2 8729 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR205191  Camissonia confusa R. G. Swinney 2008-5-2 8732 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR205197  Bromus tectorum R. G. Swinney 2008-4-30 8705 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR205206  Sisymbrium altissimum R. G. Swinney 2006-6-18 8544 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR205211  Lupinus bicolor R. G. Swinney 2008-3-26 8575 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205217  Galium aparine R. G. Swinney 2006-6-18 8537 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR205238  Dudleya cymosa R. G. Swinney 2005-8-17 8496 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 20 2018
  UCR205247  Astragalus douglasii R. G. Swinney 2005-8-15 8475 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, near headquarters 1463 Comment
  UCR205266  Erigeron foliosus R. G. Swinney 2005-8-15 8490 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR205458  Ephedra viridis R. G. Swinney 2008-5-2 8735 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR205460  Ericameria linearifolia R. G. Swinney 2008-5-2 8736 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR205557  Parietaria hespera var. hespera R. G. Swinney 2008-5-30 8882 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
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Oct 8 2009
  UCR205562  Cynodon dactylon R. G. Swinney 2008-5-30 8886 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR205563  Urtica urens R. G. Swinney 2008-5-30 8880 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
  UCR205564  Pityrogramma triangularis R. G. Swinney 2008-5-30 8899 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
  UCR205569  Euphorbia prostrata R. G. Swinney 2008-5-30 8872 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
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Apr 22 2010
  UCR205596  Gayophytum R. G. Swinney 2008-5-13 8863 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  UCR205618  Penstemon centranthifolius R. G. Swinney 2008-5-12 8840 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
  UCR205827  Descurainia pinnata R. G. Swinney 2008-5-8 8794 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
  UCR205835  Lupinus concinnus R. G. Swinney 2008-5-8 8786 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
  UCR205851  Cryptantha circumscissa R. G. Swinney 2008-5-8 8821 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR205862  Chorizanthe watsonii R. G. Swinney 2008-5-8 8802 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR205863  Cryptantha barbigera R. G. Swinney 2008-5-8 8801 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR205896  Microseris lindleyi R. G. Swinney 2008-5-8 8782 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR205902  Chaenactis stevioides R. G. Swinney 2008-5-8 8823 B Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR205904  Collinsia callosa R. G. Swinney 2008-5-5 8770 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR205909  Gilia splendens R. G. Swinney 2008-5-5 8779 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
  UCR205921  Calycoseris parryi R. G. Swinney 2008-5-5 8765 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR205927  Phacelia curvipes R. G. Swinney 2008-5-5 8775 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
  UCR206138  Gnaphalium luteoalbum R. G. Swinney 2008-5-30 8915 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR206141  Agrostis viridis R. G. Swinney 2008-5-30 8913 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR206147  Cotoneaster pannosus R. G. Swinney 2008-5-30 8907 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR206420  Syntrichopappus fremontii R. G. Swinney 2008-6-4 8937 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  UCR206436  Chaenactis santolinoides R. G. Swinney 2008-6-10 8985 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
  UCR206450  Phoradendron densum R. G. Swinney 2008-6-9 8967 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR209107  Tauschia parishii R. G. Swinney 2008-6-18 9070 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  UCR209116  Ribes nevadense R. G. Swinney 2008-6-18 9076 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
  UCR209123  Heliotropium curassavicum R. G. Swinney 2008-6-24 9087 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209124  Chenopodium berlandieri R. G. Swinney 2008-6-24 9086 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209129  Juncus rugulosus R. G. Swinney 2008-6-24 9093 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209221  Cryptantha echinella R. G. Swinney 2008-6-17 9051 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCR209235  Caulanthus amplexicaulis R. G. Swinney 2008-6-18 9066 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  UCR209251  Salsola tragus R. G. Swinney 2008-10-8 9535 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR209257  Juncus R. G. Swinney 2008-10-7 9471 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209262  Eriastrum densifolium subsp. densifolium R. G. Swinney 2008-10-8 9538 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR209264  Eriogonum baileyi R. G. Swinney 2008-10-8 9540 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR209275  Salix lasiolepis R. G. Swinney 2008-10-7 9483 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209425  Carex R. G. Swinney 2008-9-13 9454 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
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Sep 12 2018
  UCR209431  Ericameria nauseosa subsp. consimilis R. G. Swinney 2008-9-12 9443 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  UCR209448  Juncus balticus R. G. Swinney 2008-10-7 9489 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR209471  Erigeron breweri R. G. Swinney 2008-7-3 9157 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
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Jul 8 2021
  UCR209477  Phacelia fremontii R. G. Swinney 2008-6-17 9028 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR209482  Tauschia parishii R. G. Swinney 2008-6-17 9022 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR209483  Keckiella cordifolia R. G. Swinney 1969-6-12 579 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 348 Comment
  UCR209484  Eriogonum R. G. Swinney 2008-6-17 9031 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR209489  Phacelia distans R. G. Swinney 2008-6-17 9042 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
  UCR209490  Lotus argophyllus R. G. Swinney 2008-6-17 9041 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
  UCR209506  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles San Gabriel Mountains, Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  UCR209538  Aquilegia formosa R. G. Swinney 2008-7-2 9121 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR209541  Deschampsia elongata R. G. Swinney 2008-7-2 9115 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 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
  UCR209599  Carex R. G. Swinney 2008-7-2 9135 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
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Sep 12 2018
  UCR209600  Mimulus cardinalis R. G. Swinney 2008-7-2 9136 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 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
  UCR209645  Epilobium glaberrimum R. G. Swinney 2008-7-2 9122 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR209847  Bromus tectorum R. G. Swinney 2008-7-15 9220 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209866  Eriogonum davidsonii R. G. Swinney 2008-7-15 9194 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209878  Malacothamnus fasciculatus R. G. Swinney 2008-7-12 9181 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
  UCR209892  Ceanothus cordulatus R. G. Swinney 2008-7-24 9269 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209893  Leptodactylon pungens R. G. Swinney 2008-7-24 9284 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209894  Viola R. G. Swinney 2008-7-24 9275 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209899  Holodiscus microphyllus R. G. Swinney 2008-7-24 9279 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209906  Oxytheca caryophylloides R. G. Swinney 2008-7-24 9287 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209911  Penstemon grinnellii R. G. Swinney 2008-7-25 9307 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
  UCR209917  Quercus chrysolepis R. G. Swinney 2008-7-25 9300 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 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
  UCR209966  Azolla filiculoides R. G. Swinney 2008-9-9 9335 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR209978  Calyptridium R. G. Swinney 2008-7-25 9304 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
  UCR209980  Eriogonum saxatile R. G. Swinney 2008-7-24 9292 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209992  Agoseris retrorsa R. G. Swinney 2008-7-16 9253 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 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
  UCR209994  Veronica anagallis-aquatica R. G. Swinney 2008-10-16 9605 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UCR209999  Penstemon labrosus R. G. Swinney 2008-7-15 9217 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR210005  Hieracium horridum R. G. Swinney 2008-7-16 9260 Los Angeles San Gabriel Mtns., Buckhorn Canyon, 0.7 mi. north of Burkhart Trail parking lot along the trail, north of Buckhorn Campground 1890 Comment
  UCR210010  Senecio flaccidus var. douglasii R. G. Swinney 2008-10-7 9464 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR210087  Helianthus annuus R. G. Swinney 2008-10-20 9642 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210100  Rhamnus californica R. G. Swinney 2008-8-13 9400 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  UCR210115  Deschampsia elongata R. G. Swinney 2008-7-24 9349 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
  UCR210145  Eclipta prostrata R. G. Swinney 2008-10-20 9649 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210158  Aquilegia formosa R. G. Swinney 2008-8-13 9359 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UCR210160  Eriogonum parishii R. G. Swinney 2008-7-24 9358 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR210208  Cuscuta subinclusa R. G. Swinney 2008-8-13 9404 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  UCR210220  Ribes nevadense R. G. Swinney 2008-9-4 9424 Los Angeles San Gabriel Mtns., Dry Lake, Blue Ridge, SW of Wrightwood and 0.4 mi. east of junction of Hwy 2 and road 3N06/Blue Ridge Rd. 2250 Comment
  UCR210236  Epilobium ciliatum R. G. Swinney 2008-10-22 9664 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
  UCR210250  Lotus purshianus R. G. Swinney 2008-9-9 9442 Los Angeles San Gabriel Mtns., Big Rock Wash, 0.3 mi. north of junction of with Pallett Creek Rd. and Valyermo Rd. 1070 Comment
  UCR210413  Euphorbia peplus R. G. Swinney 2008-12-4 9952 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
  UCR210414  Echinochloa crus-galli R. G. Swinney 2008-12-6 9970 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
  UCR210430  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2008-12-6 9964 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
  UCR210442  Mirabilis laevis R. G. Swinney 2008-12-6 9980 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
  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
  UCR210444  Helianthus annuus R. G. Swinney 2008-11-30 9884 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 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
  UCR210456  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
  UCR210488  Aster subulatus R. G. Swinney 2008-11-30 9869 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  UCR210491  Rumex R. G. Swinney 2008-11-30 9860 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  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
  UCR210505  Cyperus eragrostis R. G. Swinney 2008-11-30 9870 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210510  Aster subulatus R. G. Swinney 2008-11-1 9755 Los Angeles San Gabriel Mtns., Big Dalton Canyon Debris Basin, Glendora 341 Comment
  UCR210532  Heteromeles arbutifolia R. G. Swinney 2008-12-4 9944 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR210533  Setaria parviflora R. G. Swinney 2008-12-4 9943 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR210534  Phacelia cicutaria var. hispida R. G. Swinney 2008-12-4 9942 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR210539  Brickellia californica R. G. Swinney 2008-11-30 9871 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  UCR210540  Leptochloa R. G. Swinney 2008-12-4 9939 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  UCR210708  Dysphania botrys R. G. Swinney 2008-9-10 9413 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  UCR210736  Artemisia californica R. G. Swinney 2009-1-19 10001 Los Angeles San Gabriel Mtns., Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  UCR216751  Pseudognaphalium biolettii R. G. Swinney 2009-2-20 10012 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR216757  Ribes aureum var. gracillimum R. G. Swinney 2009-2-20 10009 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR216866  Phalaris minor R. G. Swinney 2009-3-12 10097 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
  UCR216878  Lamium amplexicaule R. G. Swinney 2009-3-13 10112 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
  UCR216880  Amaranthus albus R. G. Swinney 2009-3-13 10110 A Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  UCR216892  Oxalis pes-caprae R. G. Swinney 2009-2-20 10027 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
  UCR216893  Pectocarya penicillata R. G. Swinney 2009-2-20 10029 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCR216894  Filago californica R. G. Swinney 2009-2-20 10031 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCR216899  Festuca myuros R. G. Swinney 2009-3-11 10089 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  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
  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
  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
  UCR217310  Polygonum aviculare R. G. Swinney 2009-3-10 10076 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR217420  Nasturtium officinale R. G. Swinney 2009-3-10 10066 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR217436  Pellaea andromedifolia R. G. Swinney 2009-2-26 10045 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR219420  Malva parviflora R. G. Swinney 2009-3-26 10170 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  UCR219450  Oxalis pes-caprae R. G. Swinney 2009-3-28 10183 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR219468  Eriophyllum confertiflorum R. G. Swinney 2009-3-19 10151 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  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
  UCR219552  Lupinus excubitus R. G. Swinney 2009-3-31 10222 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
  UCR219553  Carduus pycnocephalus R. G. Swinney 2009-3-31 10221 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
  UCR219554  Senecio vulgaris R. G. Swinney 2009-3-28 10215 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
  UCR219559  Erodium cicutarium R. G. Swinney 2009-3-28 10210 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  UCR219561  Avena barbata R. G. Swinney 2009-3-28 10208 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
  UCR219567  Heteromeles arbutifolia R. G. Swinney 2009-3-28 10204 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  UCR219822  Melilotus indicus R. G. Swinney 2009-4-16 10372 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR219824  Melica imperfecta R. G. Swinney 2009-4-16 10369 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  UCR219901  Polypogon monspeliensis R. G. Swinney 2009-4-17 10392 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  UCR219907  Echinochloa crus-galli R. G. Swinney, Jane Strong 2009-4-21 10413 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
  UCR219916  Hordeum murinum R. G. Swinney, Jane Strong 2009-4-21 10423 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR219923  Veronica anagallis-aquatica R. G. Swinney, Jane Strong 2009-4-21 10402 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR219924  Mentzelia micrantha R. G. Swinney, Jane Strong 2009-4-21 10403 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
  UCR219946  Populus fremontii R. G. Swinney, Jane Strong 2009-4-21 10411 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR220037  Mentzelia ravenii R. G. Swinney 2009-4-24 10461 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220048  Microseris lindleyi R. G. Swinney 2009-4-24 10451 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220055  Pholistoma membranaceum R. G. Swinney 2009-4-24 10437 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220168  Coreopsis bigelovii R. G. Swinney 2009-4-2 10257 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  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
  UCR220200  Eriophyllum wallacei R. G. Swinney 2009-4-2 10245 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR220215  Grayia spinosa R. G. Swinney 2009-4-2 10272 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  UCR220228  Anthriscus caucalis R. G. Swinney 2009-4-7 10294 B Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR220245  Lupinus sparsiflorus R. G. Swinney 2009-4-28 10518 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR220258  Amsinckia tessellata R. G. Swinney 2009-4-28 10510 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR220286  Rhus aromatica R. G. Swinney 2009-4-24 10480 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
  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
  UCR220362  Phacelia grandiflora R. G. Swinney 2009-4-16 10348 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
  UCR220363  Chaenactis glabriuscula R. G. Swinney 2009-4-16 10347 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
  UCR220364  Crassula connata R. G. Swinney 2009-4-16 10349 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
  UCR220369  Quercus chrysolepis R. G. Swinney 2009-4-16 10365 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
  UCR220375  Stachys bullata R. G. Swinney 2009-4-16 10350 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
  UCR221902  Coreopsis bigelovii R. G. Swinney 2009-4-28 10538 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR221903  Ericameria linearifolia R. G. Swinney 2009-4-28 10530 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR221904  Chaenactis xantiana R. G. Swinney 2009-4-28 10539 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR221909  Poa secunda R. G. Swinney 2009-4-28 10533 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222725  Muilla maritima R. G. Swinney 2009-5-12 10723 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
  UCR222731  Camissonia campestris R. G. Swinney 2009-5-12 10729 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR222737  Plagiobothrys arizonicus R. G. Swinney 2009-5-12 10713 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  UCR222748  Tetradymia glabrata R. G. Swinney 2009-4-29 10569 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCR222771  Salvia apiana R. G. Swinney 2009-5-9 10703 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
  UCR222777  Ulmus pumila R. G. Swinney 2009-5-6 10664 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
  UCR222782  Pectocarya penicillata R. G. Swinney 2009-4-28 10556 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222783  Anisocoma acaulis R. G. Swinney 2009-4-28 10549 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222784  Syntrichopappus lemmonii R. G. Swinney 2009-4-28 10550 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222789  Eriogonum pusillum R. G. Swinney 2009-5-12 10748 A 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
  UCR222790  Mentzelia veatchiana R. G. Swinney 2009-5-12 10747 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  UCR222800  Solanum douglasii R. G. Swinney 2009-5-9 10708 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway 183 Comment
  UCR222828  Eriogonum pusillum R. G. Swinney 2009-4-29 10595 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
  UCR222845  Phacelia fremontii R. G. Swinney 2009-4-28 10559 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222986  Chorizanthe perfoliata R. G. Swinney 2009-5-5 10641 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223002  Gnaphalium palustre R. G. Swinney 2009-6-2 11025 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
  UCR223003  Festuca dertonensis R. G. Swinney 2009-6-2 11027 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
  UCR223004  Pseudotsuga macrocarpa R. G. Swinney 2009-6-2 11010 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223009  Rafinesquia californica R. G. Swinney 2009-5-5 10635 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223021  Eriogonum deflexum var. baratum R. G. Swinney 2009-5-5 10627 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223027  Stylocline psilocarphoides R. G. Swinney 2009-4-29 10616 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
  UCR223035  Linanthus parryae R. G. Swinney 2009-5-6 10674 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR223051  Asclepias vestita R. G. Swinney 2009-5-6 10652 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  UCR223057  Phacelia davidsonii R. G. Swinney 2009-6-2 11021 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223062  Yucca brevifolia R. G. Swinney 2009-5-6 10687 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223063  Gnaphalium californicum R. G. Swinney 2009-5-6 10686 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223064  Rumex salicifolius R. G. Swinney 2009-5-6 10685 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223069  Datura wrightii R. G. Swinney 2009-5-6 10680 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCR223096  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
  UCR223112  Cryptantha oxygona R. G. Swinney 2009-5-20 10804 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
  UCR223113  Lotus procumbens R. G. Swinney 2009-5-20 10803 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
  UCR223114  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2009-5-20 10802 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
  UCR223119  Forestiera pubescens R. G. Swinney 2009-5-13 10781 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
  UCR223126  Epilobium brachycarpum R. G. Swinney 2009-7-22 11363 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223130  Epilobium densiflorum R. G. Swinney 2009-7-22 11346 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223142  Wyethia ovata R. G. Swinney 2009-7-22 11342 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223143  Horkelia rydbergii R. G. Swinney 2009-7-22 11343 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223149  Chenopodium desiccatum R. G. Swinney 2009-7-22 11333 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223170  Eriodictyon trichocalyx R. G. Swinney 2009-7-22 11323 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR223188  Lomatium mohavense R. G. Swinney 2009-5-20 10809 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
  UCR223191  Ceanothus vestitus R. G. Swinney 2009-7-22 11298 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR223206  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-22 11331 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223211  Bloomeria crocea R. G. Swinney 2009-5-27 10893 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223217  Lycium andersonii R. G. Swinney 2009-5-13 10788 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
  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
  UCR223247  Stephanomeria virgata R. G. Swinney 2009-7-22 11367 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223266  Medicago sativa R. G. Swinney 2009-8-19 11458 Los Angeles Transverse Range; San Gabriel Mtns., confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  UCR223278  Ceanothus integerrimus R. G. Swinney 2009-7-29 11443 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223292  Monardella breweri subsp. lanceolata R. G. Swinney 2009-7-23 11382 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
  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
  UCR223294  Cuscuta subinclusa R. G. Swinney 2009-7-23 11379 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
  UCR223318  Koelreuteria bipinnata R. G. Swinney 2009-6-28 11293 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway 184 Comment
  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
  UCR223331  Plagiobothrys R. G. Swinney 2009-5-27 10882 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223337  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
  UCR223355  Eriophyllum confertiflorum R. G. Swinney 2009-5-20 10824 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
  UCR223371  Scutellaria siphocampyloides R. G. Swinney 2009-7-23 11395 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223377  Epilobium densiflorum R. G. Swinney 2009-7-23 11389 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223382  Carex R. G. Swinney 2009-5-27 10874 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
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Sep 12 2018
  UCR223383  Juncus R. G. Swinney 2009-5-27 10887 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
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Dec 7 2018
  UCR223389  Eleocharis R. G. Swinney 2009-5-27 10873 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223390  Phacelia cryptantha R. G. Swinney 2009-5-20 10818 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR223400  Stephanomeria virgata R. G. Swinney 2009-7-29 11408 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
  UCR223445  Poa secunda R. G. Swinney 2009-6-3 11045 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
  UCR223460  Adenostoma fasciculatum R. G. Swinney 2009-6-8 11095 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223486  Quercus chrysolepis R. G. Swinney 2009-6-8 11064 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
  UCR223502  Calyptridium monandrum R. G. Swinney 2009-5-28 10948 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223503  Salix exigua R. G. Swinney 2009-5-28 10947 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223509  Tauschia parishii R. G. Swinney 2009-5-28 10941 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223521  Rhamnus californica R. G. Swinney 2009-6-24 11232 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223527  Lotus oblongifolius R. G. Swinney 2009-5-28 10921 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223535  Scutellaria siphocampyloides R. G. Swinney 2009-5-27 10907 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
  UCR223551  Muhlenbergia richardsonis R. G. Swinney 2009-6-2 10992 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223557  Pteridium aquilinum R. G. Swinney 2009-6-2 10999 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223563  Phacelia davidsonii R. G. Swinney 2009-6-2 10988 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223564  Eriophyllum confertiflorum R. G. Swinney 2009-6-2 10989 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223569  Stipa occidentalis var. pubescens 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
  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
  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
  UCR223625  Dicentra chrysantha R. G. Swinney 2009-6-28 11290 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway 194 Comment
  UCR223648  Ceanothus leucodermis R. G. Swinney 2009-6-24 11264 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
  UCR223655  Phoradendron pauciflorum R. G. Swinney 2009-6-24 11252 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223671  Dysphania botrys R. G. Swinney 2009-8-25 11495 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR223677  Melica imperfecta R. G. Swinney 2009-6-12 11128 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
  UCR223682  Solanum umbelliferum R. G. Swinney 2009-6-17 11155 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 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
  UCR223684  Rorippa nasturtium-aquaticum R. G. Swinney 2009-6-12 11149 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
  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
  UCR223706  Cirsium vulgare R. G. Swinney 2009-6-12 11118 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223711  Brassica geniculata R. G. Swinney 2009-6-12 11116 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR223717  Elymus elymoides R. G. Swinney 2009-6-17 11207 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
  UCR223738  Bromus tectorum R. G. Swinney 2009-6-24 11235 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223741  Erysimum capitatum R. G. Swinney 2009-6-24 11237 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223747  Lupinus excubitus subsp. austromontanus R. G. Swinney 2009-6-24 11227 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223766  Camissonia strigulosa R. G. Swinney 2009-5-28 10959 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223778  Melica stricta R. G. Swinney 2009-6-17 11158 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223780  Viola purpurea R. G. Swinney 2009-6-17 11161 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223792  Lotus crassifolius R. G. Swinney 2009-8-25 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. 2061 Comment
  UCR223793  Quercus kelloggii R. G. Swinney 2009-8-25 11478 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
  UCR223794  Penstemon rostriflorus R. G. Swinney 2009-8-25 11477 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
  UCR223799  Lotus purshianus R. G. Swinney 2009-8-25 11472 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
  UCR223802  Chenopodium R. G. Swinney 2009-8-25 11488 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR223803  Prunus virginiana R. G. Swinney 2009-8-25 11489 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR223804  Salix R. G. Swinney 2009-8-25 11490 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
  UCR223809  Bromus tectorum R. G. Swinney 2009-6-17 11165 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223821  Yucca whipplei R. G. Swinney 2009-6-17 11192 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
  UCR224265  Sisymbrium orientale R. G. Swinney 2009-8-25 11500 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
  UCR239951  Artemisia douglasiana R. G. Swinney 2009-11-16 11642 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCR239957  Typha latifolia R. G. Swinney 2009-11-16 11645 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCR239962  Juniperus californica R. G. Swinney 2009-11-13 11619 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  UCR239963  Eriogonum baileyi R. G. Swinney 2009-11-13 11618 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
  UCR239964  Corethrogyne filaginifolia R. G. Swinney 2009-11-16 11622 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
  UCR239969  Typha R. G. Swinney 2009-11-18 11650 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  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
  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
  UCR240000  Heliotropium curassavicum R. G. Swinney 2009-11-9 11592 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
  UCR240015  Juncus balticus R. G. Swinney 2009-11-9 11582 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
  UCR240986  Pinus coulteri R. G. Swinney 2009-7-29 11408 .5 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
  UCR242848  Stachys albens R. G. Swinney 2009-8-8 11504 Los Angeles Transverse Range; San Gabriel Mtns., 0.2-1 mi. north of summit of Pacifico Mtn., SE fork of Santiago Canyon 2055 Comment
  UCR242855  Oenothera elata subsp. hookeri R. G. Swinney 2009-8-6 11542 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR243006  Adiantum capillus-veneris R. G. Swinney 2009-8-6 11508 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
  UCR243011  Epilobium ciliatum R. G. Swinney 2009-8-6 11510 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR243017  Datisca glomerata R. G. Swinney 2009-8-6 11519 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR252549  Camissonia micrantha R. G. Swinney 2010-3-11 11869 Los Angeles San Gabriel Mountains/Verdugo Mountains, flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash 348 Comment
  UCR252556  Claytonia parviflora R. G. Swinney 2010-5-11 12670 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
  UCR252570  Lupinus latifolius R. G. Swinney 2010-6-21 13256 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
  UCR252729  Rhus ovata R. G. Swinney 2010-9-1 13663 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252753  Heterotheca sessiliflora subsp. 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
  UCR252754  Pluchea odorata R. G. Swinney 2010-9-1 13654 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252767  Tamarix ramosissima R. G. Swinney 2010-3-10 11808 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR252785  Eschscholzia californica R. G. Swinney 2010-3-11 11867 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
  UCR252888  Penstemon centranthifolius R. G. Swinney 2010-5-11 12650 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
  UCR252891  Solanum umbelliferum R. G. Swinney 2010-5-11 12647 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR252897  Mimulus floribundus R. G. Swinney 2010-5-29 13402 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR253385  Colocasia R. G. Swinney 2010-9-1 13648 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR255765  Scutellaria mexicana R. G. Swinney 2010-5-12 12709 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
  UCR255772  Purshia glandulosa R. G. Swinney 2010-5-12 12704 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
  UCR255773  Festuca myuros R. G. Swinney 2010-5-4 12493 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  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
  UCR255779  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2010-4-15 12267 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
  UCR255781  Quercus chrysolepis R. G. Swinney 2010-4-15 12270 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
  UCR255787  Spartium junceum R. G. Swinney 2010-4-20 12300 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR255798  Lotus strigosus var. strigosus R. G. Swinney 2010-5-4 12506 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
  UCR255808  Sisymbrium altissimum R. G. Swinney 2010-5-12 12748 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
  UCR255820  Calystegia macrostegia R. G. Swinney 2010-5-4 12495 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR255836  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 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
  UCR255850  Centaurea melitensis R. G. Swinney 2010-5-4 12485 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR256132  Sisymbrium orientale R. G. Swinney 2010-4-20 12301 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR256133  Lupinus hirsutissimus R. G. Swinney 2010-4-20 12302 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR256134  Senecio vulgaris R. G. Swinney 2010-4-20 12303 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR256139  Agrostis idahoensis R. G. Swinney 2010-10-13 14021 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  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
  UCR256172  Bromus diandrus R. G. Swinney 2010-3-22 12000 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
  UCR256173  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-21 13846 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  UCR256174  Cryptantha R. G. Swinney 2010-6-4 13062 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
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Dec 7 2018
  UCR256179  Lupinus elatus R. G. Swinney 2010-9-23 13873 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
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Dec 20 2014
  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
  UCR256198  Malacothrix saxatilis R. G. Swinney 2010-3-22 12011 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR256218  Mentzelia micrantha R. G. Swinney 2010-6-4 13039 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
  UCR256225  Dicentra chrysantha R. G. Swinney 2010-6-4 13049 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
  UCR256231  Erigeron foliosus R. G. Swinney 2010-6-4 13043 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256237  Adenostoma fasciculatum R. G. Swinney 2010-5-19 12847 Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  UCR256248  Salvia mellifera R. G. Swinney 2010-3-10 11838 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
  UCR256255  Ribes indecorum R. G. Swinney 2010-3-10 11840 Los Angeles San Gabriel Mountains, FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  UCR256271  Rhus aromatica R. G. Swinney 2010-3-22 12088 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR256435  Trifolium monanthum subsp. monanthum R. G. Swinney 2010-10-13 14028 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR256457  Cirsium vulgare R. G. Swinney 2010-9-9 13780 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR256462  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  UCR256463  Cirsium occidentale var. coulteri R. G. Swinney 2010-6-8 13188 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
  UCR256464  Elymus triticoides R. G. Swinney 2010-6-8 13187 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  UCR256469  Epilobium ciliatum R. G. Swinney 2010-9-9 13774 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
  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
  UCR256858  Castilleja miniata subsp. miniata R. G. Swinney 2010-10-13 14016 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR258502  Cuscuta californica R. G. Swinney 2010-6-23 13318 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
  UCR258503  Malosma laurina R. G. Swinney 2010-6-23 13317 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
  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
  UCR258509  Fraxinus velutina R. G. Swinney 2010-9-13 13811 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  UCR258527  Eriastrum sapphirinum R. G. Swinney 2010-6-23 13311 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
  UCR258557  Eriophyllum confertiflorum R. G. Swinney 2010-5-29 13019 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
  UCR258562  Mimulus cardinalis R. G. Swinney 2010-5-29 13010 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
  UCR258563  Ambrosia acanthicarpa R. G. Swinney 2010-5-29 13009 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
  UCR258569  Antirrhinum multiflorum R. G. Swinney 2010-5-29 13014 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
  UCR258575  Mentzelia micrantha R. G. Swinney 2010-4-23 12369 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258596  Urtica dioica subsp. holosericea R. G. Swinney 2010-8-26 13607 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR258618  Keckiella ternata R. G. Swinney 2010-9-13 13807 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  UCR258689  Encelia farinosa R. G. Swinney 2010-3-16 11927 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258690  Cyperus involucratus R. G. Swinney 2010-3-16 11919 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
  UCR258706  Stellaria media R. G. Swinney 2010-3-16 11932 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258711  Stipa speciosa R. G. Swinney 2010-5-19 12823 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR258717  Camissonia pallida R. G. Swinney 2010-5-19 12832 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
  UCR258738  Emmenanthe penduliflora R. G. Swinney 2010-5-19 12829 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just 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
  UCR258741  Eulobus californicus R. G. Swinney 2010-5-19 12825 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
  UCR258766  Sphaeralcea ambigua subsp. ambigua R. G. Swinney 2010-6-1 13127 Los Angeles San Gabriel Mountains, lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  UCR258780  Nicotiana glauca R. G. Swinney 2010-2-27 11774 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
  UCR258799  Phacelia distans R. G. Swinney 2010-3-16 11936 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258802  Helianthemum scoparium R. G. Swinney 2010-5-25 12964 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
  UCR258803  Schismus barbatus R. G. Swinney 2010-3-16 11942 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
  UCR258804  Cryptantha microstachys R. G. Swinney 2010-5-25 12983 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
  UCR258809  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-25 12978 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
  UCR258821  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-23 12347 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258827  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-23 12345 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258835  Bromus rubens R. G. Swinney 2010-3-22 12041 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258851  Sonchus asper R. G. Swinney 2010-3-16 11911 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
  UCR258857  Arctostaphylos glauca R. G. Swinney 2010-5-19 12809 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
  UCR258862  Lupinus elatus R. G. Swinney 2010-10-8 14011 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  UCR258863  Filago californica R. G. Swinney 2010-3-16 11937 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
  UCR258864  Helianthus annuus R. 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
  UCR258896  Chlorogalum pomeridianum R. G. Swinney 2010-4-30 12470 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
  UCR258902  Calyptridium monandrum R. G. Swinney 2010-4-30 12461 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
  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
  UCR258904  Baccharis salicifolia R. G. Swinney 2010-4-30 12463 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
  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
  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
  UCR258935  Stipa cernua R. G. Swinney 2010-6-1 13131 Los Angeles San Gabriel Mountains, lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  UCR258951  Phacelia ramosissima R. G. Swinney 2010-5-11 12697 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR258957  Hypochaeris glabra R. G. Swinney 2010-2-27 11750 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UCR258962  Ribes aureum R. G. Swinney 2010-2-27 11746 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  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
  UCR258964  Hordeum murinum subsp. leporinum R. G. Swinney 2010-2-27 11758 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
  UCR259072  Gilia achilleifolia R. G. Swinney 2010-6-23 13325 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
  UCR259073  Euphorbia maculata R. G. Swinney 2010-6-23 13326 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
  UCR259074  Dryopteris arguta R. G. Swinney 2010-8-9 13481 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  UCR259079  Echinochloa crus-galli R. G. Swinney 2010-10-15 14050 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
  UCR259145  Umbellularia californica R. G. Swinney 2010-8-30 13616 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
  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
  UCR259160  Aspidotis californica R. G. Swinney 2010-8-30 13624 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR259236  Polypogon semiverticillatus R. G. Swinney 2010-6-4 13004 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
  UCR259250  Collinsia heterophylla R. G. Swinney 2010-6-4 12993 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
  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
  UCR259276  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-4 12513 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
  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
  UCR259354  Crypsis schoenoides R. G. Swinney 2010-9-7 13687 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259359  Cyperus eragrostis R. G. Swinney 2010-4-20 12291 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259361  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259367  Galium jepsonii R. G. Swinney 2010-10-8 14009 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  UCR259385  Datura wrightii R. G. Swinney 2010-4-20 12282 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259565  Calystegia macrostegia R. G. Swinney 2010-4-15 12232 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259573  Pterostegia drymarioides R. G. Swinney 2010-4-1 12141 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
  UCR259574  Lobularia maritima R. G. Swinney 2010-4-1 12135 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  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
  UCR259598  Calochortus catalinae R. G. Swinney 2010-6-8 13178 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
  UCR259601  Festuca perennis R. G. Swinney 2010-5-11 12626 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR259607  Lotus purshianus R. G. Swinney 2010-9-7 13684 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259616  Cyperus squarrosus R. G. Swinney 2010-9-7 13705 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259622  Euphorbia peplus R. G. Swinney 2010-3-30 12111 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
  UCR259623  Mentzelia laevicaulis R. G. Swinney 2010-3-30 12117 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
  UCR259624  Mentzelia R. G. Swinney 2010-3-30 12116 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
  UCR259629  Malacothrix glabrata R. G. Swinney 2010-4-15 12217 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 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
  UCR259652  Ericameria parryi R. G. Swinney 2010-10-8 14004 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  UCR259653  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2010-10-8 14005 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  UCR259654  Mimulus cardinalis R. G. Swinney 2010-9-1 13669 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  UCR259659  Agrostis exarata R. G. Swinney 2010-9-7 13722 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  UCR259667  Dichelostemma capitatum R. G. Swinney 2010-4-1 12142 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
  UCR259750  Gamochaeta pensylvanica R. G. Swinney 2010-4-28 12433 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
  UCR259768  Heterotheca grandiflora R. G. Swinney 2010-4-28 12396 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
  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
  UCR259910  Solanum umbelliferum R. G. Swinney 2010-3-18 11993 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCR259932  Stipa lepida R. G. Swinney 2010-3-18 11969 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCR259933  Muhlenbergia microsperma R. G. Swinney 2010-3-18 11970 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
  UCR259934  Lupinus sparsiflorus R. G. Swinney 2010-3-18 11971 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
  UCR259939  Pterostegia drymarioides R. G. Swinney 2010-4-13 12214 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR259940  Cirsium occidentale var. coulteri R. G. Swinney 2010-4-13 12212 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 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
  UCR259973  Lupinus hirsutissimus R. G. Swinney 2010-4-28 12441 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
  UCR259974  Solanum umbelliferum R. G. Swinney 2010-4-28 12440 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
  UCR259979  Malacothamnus fasciculatus R. G. Swinney 2010-2-27 11771 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR259981  Mimulus R. G. Swinney 2010-5-11 12642 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
  UCR259998  Lupinus bicolor R. G. Swinney 2010-3-16 11962 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
  UCR260002  Festuca microstachys R. G. Swinney 2010-5-11 12632 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
  UCR260003  Erodium cicutarium R. G. Swinney 2010-5-11 12630 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
  UCR260004  Phacelia fremontii R. G. Swinney 2010-5-11 12629 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR260009  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-3-24 12093 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
  UCR260027  Sonchus oleraceus R. G. Swinney 2010-4-21 12326 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 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
  UCR260331  Bromus diandrus R. G. Swinney 2010-5-4 12551 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
  UCR260337  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-4 12557 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
  UCR260348  Malacothrix saxatilis R. G. Swinney 2010-5-4 12536 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
  UCR260371  Pectocarya linearis subsp. ferocula R. G. Swinney 2010-2-27 11666 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
  UCR260377  Sisymbrium officinale R. G. Swinney 2010-6-21 13285 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR260382  Adenostoma fasciculatum R. G. Swinney 2010-4-23 12373 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
  UCR260383  Rhamnus crocea R. G. Swinney 2010-4-23 12372 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
  UCR260389  Centaurea melitensis R. G. Swinney 2010-6-21 13299 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
  UCR260390  Madia gracilis R. G. Swinney 2010-6-21 13297 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
  UCR260400  Cotula australis R. G. Swinney 2010-6-21 13287 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
  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
  UCR260625  Dudleya lanceolata R. G. Swinney 2010-4-30 12458 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
  UCR260792  Mirabilis laevis R. G. Swinney 2010-2-27 11734 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR260793  Lupinus truncatus R. G. Swinney 2010-2-27 11735 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
  UCR260794  Croton californicus R. G. Swinney 2010-2-27 11736 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
  UCR260799  Stephanomeria virgata R. G. Swinney 2010-8-9 13469 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCR260802  Ceanothus leucodermis R. G. Swinney 2010-8-9 13465 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCR260803  Pseudognaphalium californicum R. G. Swinney 2010-8-9 13464 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCR261136  Brassica geniculata R. G. Swinney 2010-2-27 11725 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
  UCR261327  Plagiobothrys canescens R. G. Swinney 2010-3-13 11877 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR261335  Pellaea andromedifolia R. G. Swinney 2010-3-13 11873 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR261351  Plantago indica R. G. Swinney 2010-6-29 13382 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  UCR261357  Eulobus californicus R. G. Swinney 2010-4-1 12165 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
  UCR261362  Bromus hordeaceus R. G. Swinney 2010-4-1 12168 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
  UCR261363  Gutierrezia californica R. G. Swinney 2010-4-1 12166 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCR261537  Lamium amplexicaule R. G. Swinney 2010-2-27 11700 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
  UCR261548  Gilia angelensis R. G. Swinney 2010-2-27 11713 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
  UCR261758  Polypogon semiverticillatus R. G. Swinney 2010-9-13 13835 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR261760  Brassica geniculata R. G. Swinney 2010-9-13 13837 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
  UCR261786  Cryptantha muricata R. G. Swinney 2010-2-27 11738 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
  UCR262101  Chenopodium strictum R. G. Swinney 2005-8-5 8397 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR269582  Eriogonum baileyi R. G. Swinney 2011-6-29 15362 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  UCR269583  Stipa coronata R. G. Swinney 2011-6-29 15373 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  UCR269584  Spartium junceum R. G. Swinney 2011-6-29 15371 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  UCR269589  Phacelia cicutaria var. hispida R. G. Swinney 2011-6-29 15365 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  UCR269931  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 mile north of Foothill Blvd. 184 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
  UCR269955  Amsinckia tessellata R. G. Swinney 2010-6-1 13089 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  UCR269971  Eriogonum thurberi R. G. Swinney 2010-6-29 13386 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  UCR269977  Rumex R. G. Swinney 2010-6-29 13390 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  UCR269982  Malacothrix glabrata R. G. Swinney 2010-5-19 12784 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
  UCR269983  Leptosyne bigelovii R. G. Swinney 2010-5-19 12771 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
  UCR269984  Tauschia parishii R. G. Swinney 2011-7-21 15552 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR269989  Phacelia fremontii R. G. Swinney 2010-5-19 12777 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
  UCR270006  Tetradymia axillaris var. longispina R. G. Swinney 2010-5-12 12728 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  UCR270017  Cryptantha micromeres R. G. Swinney 2010-3-24 12049 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
  UCR270038  Rhamnus californica R. G. Swinney 2011-7-21 15539 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270041  Muhlenbergia microsperma R. G. Swinney 2011-3-22 14176 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270047  Silene parishii R. G. Swinney 2011-7-21 15529 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270066  Juncus balticus R. G. Swinney 2010-5-12 12721 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  UCR270078  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2011-7-21 15553 A Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270080  Ribes aureum var. gracillimum R. G. Swinney 2011-3-17 14108 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270092  Phacelia minor R. G. Swinney 2011-3-22 14174 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270093  Salvia mellifera R. G. Swinney 2011-4-9 14376 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  UCR270094  Lithophragma affine R. G. Swinney 2011-3-22 14187 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270099  Bromus berteroanus R. G. Swinney 2011-4-20 14438 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
  UCR270101  Lotus argophyllus var. argophyllus R. G. Swinney 2011-7-21 15336 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270107  Marah macrocarpa R. G. Swinney 2011-4-9 14366 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
  UCR270122  Epilobium glaberrimum R. G. Swinney 2010-9-9 13794 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR270123  Quercus chrysolepis R. G. Swinney 2010-9-9 13786 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
  UCR270124  Solidago spectabilis R. G. Swinney 2010-9-9 13783 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
  UCR270129  Gilia leptantha subsp. transversa R. G. Swinney 2010-5-19 12781 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
  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
  UCR270152  Chaenactis xantiana R. G. Swinney 2011-4-20 14434 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
  UCR270153  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-21 15526 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270154  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2011-3-17 14116 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCR270159  Stachys bullata R. G. Swinney 2011-4-9 14357 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
  UCR270161  Pseudognaphalium biolettii R. G. Swinney 2011-4-9 14383 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
  UCR270167  Quercus durata var. gabrielensis R. G. Swinney 2011-4-9 14370 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  UCR270204  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-7-7 15425 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR270221  Pellaea andromedifolia R. G. Swinney 2011-11-1 15956 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR270227  Marah macrocarpa R. G. Swinney 2011-4-1 14298 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
  UCR270235  Juncus xiphioides R. G. Swinney 2011-6-30 15405 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270251  Galium porrigens R. G. Swinney 2011-10-10 15734 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
  UCR270262  Castilleja minor subsp. spiralis R. G. Swinney 2011-10-10 15720 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
  UCR270263  Carex alma R. G. Swinney 2011-10-10 15722 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
  UCR270300  Quercus chrysolepis R. G. Swinney 2011-11-1 15954 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
  UCR270455  Cryptantha muricata R. G. Swinney 2011-5-12 14663 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
  UCR270471  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-7-7 15422 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR270477  Rumex conglomeratus R. G. Swinney 2011-6-30 15412 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270482  Pectocarya penicillata R. G. Swinney 2011-4-1 14299 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
  UCR270483  Thysanocarpus laciniatus R. G. Swinney 2011-4-1 14313 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR270484  Pellaea andromedifolia R. G. Swinney 2011-3-22 14193 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
  UCR270506  Pectocarya penicillata R. G. Swinney 2011-5-26 14848 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
  UCR270511  Rumex salicifolius R. G. Swinney 2011-5-26 14861 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
  UCR270517  Pseudognaphalium californicum R. G. Swinney 2010-4-13 12190 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
  UCR270538  Garrya flavescens R. G. Swinney 2011-7-21 15528 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270541  Pellaea andromedifolia R. G. Swinney 2010-4-13 12194 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR270645  Ceanothus oliganthus var. oliganthus R. G. Swinney 2011-3-22 14179 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270660  Acmispon americanus R. G. Swinney 2011-6-29 15326 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  UCR270686  Elymus glaucus R. G. Swinney 2011-8-17 15646 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270806  Lupinus bicolor R. G. Swinney 2010-6-1 13114 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
  UCR270811  Phacelia mohavensis R. G. Swinney 2011-8-17 15627 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270817  Chorizanthe staticoides R. G. Swinney 2011-5-24 14806 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
  UCR270838  Malacothamnus fremontii R. G. Swinney 2011-5-26 14834 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
  UCR270847  Cordylanthus rigidus subsp. setiger R. G. Swinney 2011-6-29 15324 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  UCR270866  Pseudognaphalium californicum R. G. Swinney 2010-4-15 12251 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
  UCR270880  Tauschia arguta R. G. Swinney 2011-5-12 14689 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  UCR270892  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-4-20 14427 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
  UCR270893  Arctostaphylos glandulosa subsp. glandulosa R. G. Swinney 2011-6-14 15134 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270894  Juncus bufonius var. bufonius R. G. Swinney 2011-5-24 14829 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
  UCR270899  Lotus strigosus R. G. Swinney 2011-4-20 14433 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
  UCR270911  Silene antirrhina R. G. Swinney 2011-5-26 14858 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR270938  Oxytheca trilobata R. G. Swinney 2011-6-14 15141 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270941  Calyptridium monandrum R. G. Swinney 2011-6-14 15120 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270947  Camissoniopsis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14326 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  UCR270966  Cryptantha simulans R. G. Swinney 2011-6-6 14989 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR270978  Lupinus truncatus R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14332 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  UCR270980  Turricula parryi R. G. Swinney 2011-6-14 15140 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270992  Dichelostemma capitatum R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14334 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
  UCR270993  Lantana montevidensis R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14350 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  UCR270994  Quercus wislizeni var. frutescens R. G. Swinney 2011-4-28 14543 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  UCR271045  Erysimum capitatum R. G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR271058  Sonchus oleraceus R. G. Swinney 2011-6-6 15001 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
  UCR271086  Trifolium hirtum R. G. Swinney 2011-6-6 14991 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR271132  Cryptantha muricata var. muricata R. G. Swinney 2011-6-14 15112 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR271133  Epilobium canum subsp. latifolium R. G. Swinney 2011-10-10 15725 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR271134  Gnaphalium palustre R. G. Swinney 2011-9-27 15719 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
  UCR271139  Muhlenbergia richardsonis R. G. Swinney 2011-9-27 15718 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
  UCR271140  Gayophytum diffusum subsp. diffusum R. G. Swinney 2011-6-14 15110 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR271165  Festuca microstachys R. G. Swinney 2011-4-20 14461 Los Angeles San Gabriel Mountains/ Western Mohave Desert, Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UCR271173  Silene verecunda R. G. Swinney 2011-7-8 15497 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCR271174  Erigeron foliosus R. G. Swinney 2011-7-8 15496 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCR271181  Eriogonum saxatile R. G. Swinney 2011-9-27 15700 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
  UCR271198  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-1 15944 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR271218  Ribes nevadense R. G. Swinney 2011-9-27 15707 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 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
  UCR271255  Carex R. G. Swinney 2011-5-12 14697 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
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Sep 12 2018
  UCR271306  Juncus duranii R. G. Swinney 2011-9-27 15701 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
  UCR271317  Malacothamnus fremontii R. G. Swinney 2011-5-12 14683 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
  UCR271462  Leptosiphon parviflorus R. G. Swinney 2011-5-3 14571 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271469  Plectritis ciliosa R. G. Swinney 2011-5-3 14558 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271475  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
  UCR271545  Stachys albens R. G. Swinney 2011-11-3 15982 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
  UCR271558  Cerastium glomeratum R. G. Swinney 2011-3-18 14146 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 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
  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
  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
  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
  UCR271678  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-31 14926 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
  UCR271725  Erigeron canadensis R. G. Swinney 2011-3-26 14198 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR271731  Scutellaria tuberosa R. G. Swinney 2011-3-26 14204 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR271737  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 649 Comment
  UCR271748  Lamarckia aurea R. G. Swinney 2011-3-26 14231 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dima