Search Results — 2000 specimen records retrieved (1986 records with coordinates)
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Results for search: County=LOS ANGELES; Source=All; Collector=Swinney;   

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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC133210  Pteridium aquilinum R. G. Swinney 2008-7-12 9179 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Volfe Canyon 0.4 mi. north of confluence with Big Dalton Canyon 622 Comment
  CAS-BOT-BC133224  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 N terminous of Mills Ave., on Cobal Canyon Rd.; Ca. 0.6 mi. NW of Mills 543 Comment
  CAS-BOT-BC229144  Claytonia parviflora R. G. Swinney 2009-4-28 10543 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma 1608 Comment
  CAS-BOT-BC300501  Agalinis heterophylla R. G. Swinney 2009-11-9 11584 Los Angeles Transverse Range; San Gabriel Mountains: confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  CAS-BOT-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-BC422784  Papaver californicum R. G. Swinney 1997-5-13 5516 Los Angeles San Gabriel Mtns: Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 439 Comment
  CAS-BOT-BC482462  Bromus rubens R. G. Swinney 2010-4-30 12462 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-BC520313  Fumaria officinalis R. G. Swinney 2010-3-16 11956 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Washa nd Big Tujunga Wash at I-210 crossing, within 50 m on N & S sides of I-210 329 Comment
  CAS-BOT-BC520315  Hordeum murinum R. G. Swinney 2010-4-30 12460 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 615 Comment
  CAS-BOT-BC536060  Acmispon strigosus R. G. Swinney 2011-4-1 14308 Los Angeles San Gabriel Mtns/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mi S of California Aquduct, 20--200 m west of Cheseboro Rd 890 Comment
  HSC101313  Encelia californica R. G. Swinney 2009-3-19 10141 Los Angeles San Gabriel Mtns. Foothills; Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, ~100 m north of Hwy. 39 230 Comment
  HSC104215  Pectocarya setosa R. G. Swinney 2009-4-24 10430 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  HSC104231  Syntrichopappus fremontii R. G. Swinney 2009-4-24 10440 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  HSC104238  Linanthus aureus subsp. aureus R. G. Swinney 2009-4-24 10442 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  OBI81434  Artemisia tridentata R. G. Swinney 2009-11-13 11599 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  RSA0012040  Nemacladus sigmoideus R. G. Swinney 2009-4-29 10596 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA0012042  Euphorbia albomarginata R. G. Swinney 2009-4-29 10599 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  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
  RSA0017150  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-8-31 6880 Los Angeles San Antonio Ridge, 2.1 mi. west of West Mt. Baldy. 2232 Comment
  RSA0022054  Galium angustifolium R. G. Swinney 2009-4-15 10339 Los Angeles north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  RSA0029730  Delphinium patens subsp. montanum R. G. Swinney 1998-7-8 6305 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA0035997  Cryptantha microstachys R. G. Swinney 2010-6-21 13261 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0036048  Helenium puberulum R. G. Swinney 2009-11-18 11651 Los Angeles 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  RSA0036975  Gilia capitata R. G. Swinney 2010-5-11 12666 Los Angeles San Gabriel Mountains: Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  RSA0036979  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13398 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 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
  RSA0037298  Typha R. G. Swinney 2009-11-9 11585 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA0037415  Plantago major R. G. Swinney 2010-9-1 13657 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0037419  Typha latifolia R. G. Swinney 2010-9-1 13660 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  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
  RSA0038706  Pinus jeffreyi R. G. Swinney 2010-9-7 13717 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA0038714  Rubus leucodermis R. G. Swinney 2010-10-13 14030 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0039054  Ambrosia acanthicarpa R. G. Swinney 2009-11-16 11624 Los Angeles 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  RSA0039141  Juncus acutus R. G. Swinney 2010-3-10 11787 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA0039390  Artemisia douglasiana R. G. Swinney 2009-11-16 11642 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 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
  RSA0039574  Stephanomeria cichoriacea R. G. Swinney 1997-8-19 5823 Los Angeles San Antonio Peak (=Lookout Mountain), 60-100 m SE of summit. 2052 Comment
  RSA0042072  Eriogonum baileyi R. G. Swinney 2009-11-13 11618 Los Angeles confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  RSA0045217  Lithophragma affine R. G. Swinney 2010-6-21 13268 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 561 Comment
  RSA0047418  Purshia glandulosa R. G. Swinney 2010-5-12 12704 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA0047906  Cryptantha microstachys R. G. Swinney 2010-6-4 13062 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
  RSA0047914  Linanthus aureus subsp. aureus R. G. Swinney 2010-5-12 12746 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0047918  Chrysolepis sempervirens R. G. Swinney 2010-9-23 13879 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA0049477  Echinochloa crus-galli Richard G. Swinney 2010-8-16 13526 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA0049483  Clarkia unguiculata Richard G. Swinney 2010-5-7 12615 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, 150m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA0049934  Chenopodium californicum R. G. Swinney 2010-5-12 12740 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
  RSA0049938  Platystemon californicus R. G. Swinney 2010-5-12 12745 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
  RSA0053870  Chenopodium berlandieri R. G. Swinney 2010-4-28 12432 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0053872  Sisymbrium altissimum R. G. Swinney 2010-5-11 12627 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
  RSA0053886  Coreopsis bigelovii R. G. Swinney 2010-5-11 12637 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 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
  RSA0053892  Ribes malvaceum R. G. Swinney 2010-6-8 13180 Los Angeles San Gabriel Mountains: Plaerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. trail, south side of stream. 494 Comment
  RSA0055753  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 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
  RSA0055765  Fraxinus uhdei R. G. Swinney 2010-4-1 12138 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Mac 399 Comment
  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
  RSA0055777  Artemisia dracunculus R. G. Swinney 2010-4-28 12423 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0055948  Hordeum murinum Richard G. Swinney 2010-4-30 12460 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA0055987  Dichelostemma capitatum Richard G. Swinney 2010-3-22 12035 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 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
  RSA0057887  Epilobium canum subsp. latifolium Richard G. Swinney 2010-9-7 13699 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA0057893  Dysphania botrys Richard G. Swinney 2010-9-7 13686 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA0057925  Lotus scoparius var. brevialatus Richard G. Swinney 2010-2-27 11773 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, E end of Orcas Park to 0.5 mi. toward the east and from the I-210 Fwy. to Big Tujunga Wash to the south. 331 Comment
  RSA0057929  Hordeum murinum Richard G. Swinney 2010-3-18 11988 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA0058206  Trifolium obtusiflorum Richard G. Swinney 2010-6-23 13375 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
  RSA0058218  Cryptantha muricata R. G. Swinney 2010-6-23 13348 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
  RSA0058225  Chaenactis artemisiifolia Richard G. Swinney 2010-4-23 12351 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0058229  Stipa coronata Richard G. Swinney 2010-4-23 12348 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0058233  Artemisia douglasiana Richard G. Swinney 2010-4-23 12343 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0060467  Symphoricarpos rotundifolius R. G. Swinney 2010-10-13 14048 Los Angeles San Gabriel Mountains: junction of Pacific Crest Trail with Hawkins Ridge Trail, north side of trail. 2561 Comment
  RSA0060475  Baccharis pilularis R. G. Swinney 2010-8-16 13534 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 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
  RSA0062519  Lupinus hirsutissimus R. G. Swinney 2010-4-20 12302 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 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
  RSA0062563  Dudleya pulverulenta R. G. Swinney 2010-4-15 12272 Los Angeles Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 695 Comment
  RSA0062623  Pseudognaphalium canescens subsp. microcephalum R. G. Swinney 2010-8-16 13565 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 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
Read comments
Oct 12 2018
  RSA0062693  Castilleja miniata subsp. miniata R. G. Swinney 2010-10-13 14016 Los Angeles Lily Spring, within 100 meters of main spring. 2454 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
  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
  RSA0067562  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
  RSA0067571  Adenostoma fasciculatum R. G. Swinney 2010-5-4 12500 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0068441  Lupinus succulentus R. G. Swinney 2010-6-8 13212 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0068461  Solanum umbelliferum R. G. Swinney 2010-3-18 11993 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA0069421  Artemisia californica R. G. Swinney 2010-3-10 11798 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 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
  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
  RSA0069876  Sonchus oleraceus R. G. Swinney 2010-3-24 12091 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0069880  Erodium cicutarium R. G. Swinney 2010-5-7 12607 Los Angeles Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd'? and Jimenez St./Dominica Ave. 378 Comment
  RSA0069882  Lepidospartum squamatum R. G. Swinney 2010-4-1 12154 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0070324  Hordeum murinum R. G. Swinney 2010-5-7 12605 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
  RSA0070328  Encelia farinosa R. G. Swinney 2010-5-7 12599 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
  RSA0070363  Rhus ovata R. G. Swinney 2010-4-20 12283 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0073365  Equisetum laevigatum R. G. Swinney 2010-3-16 11960 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  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
  RSA0073605  Plagiobothrys canescens R. G. Swinney 2010-4-23 12338 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0073609  Marah macrocarpa R. G. Swinney 2010-4-23 12333 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0073610  Muhlenbergia microsperma R. G. Swinney 2010-4-23 12334 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 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
  RSA0076014  Festuca myuros R. G. Swinney 2010-4-1 12126 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
  RSA0076018  Camissonia bistorta R. G. Swinney 2010-4-1 12131 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
  RSA0076235  Erythranthe rubella R. G. Swinney 2008-6-4 8925 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  RSA0076957  Stipa speciosa R. G. Swinney 2010-5-19 12823 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy., 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0077089  Phacelia distans R. G. Swinney 2010-4-1 12125 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0077094  Sonchus oleraceus R. G. Swinney 2010-4-15 12225 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
  RSA0078382  Eriogonum davidsonii R. G. Swinney 2010-10-8 14002 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  RSA0079447  Cryptantha muricata var. muricata R. G. Swinney 2008-4-30 8708 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Monroe Canyon. 549 Comment
  RSA0080071  Silene laciniata subsp. major R. G. Swinney 2010-6-4 13036 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
  RSA0080365  Scirpus microcarpus R. G. Swinney 2011-6-29 15343 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and the confluence with Monte Cristo Creek. 1098 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
  RSA0080650  Mimulus cardinalis R. G. Swinney 2010-5-29 13010 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0080652  Nicotiana glauca R. G. Swinney 2010-5-29 13012 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0080720  Mentzelia R. G. Swinney 2010-5-12 12757 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0080722  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-12 12753 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
  RSA0080741  Clematis ligusticifolia R. G. Swinney 2010-8-11 13516 Los Angeles Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  RSA0080761  Tetradymia axillaris var. longispina R. G. Swinney 2010-5-12 12728 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
  RSA0080770  Leptosyne bigelovii R. G. Swinney 2010-5-19 12771 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
  RSA0080772  Gilia R. G. Swinney 2010-5-19 12774 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
  RSA0080786  Salsola tragus R. G. Swinney 2010-5-7 12568 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA0080790  Apiastrum angustifolium R. G. Swinney 2010-5-7 12575 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA0080792  Cryptantha muricata R. G. Swinney 2010-4-13 12185 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
  RSA0080976  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-28 12415 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
  RSA0080980  Eulobus californicus R. G. Swinney 2010-4-28 12420 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
  RSA0081051  Hesperoyucca whipplei R. G. Swinney 2010-6-1 13107 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  RSA0081135  Eriophyllum confertiflorum R. G. Swinney 2010-6-1 13096 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  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
  RSA0081301  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-24 12079 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0081323  Sonchus oleraceus R. G. Swinney 2010-3-16 11933 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA0081368  Penstemon grinnellii R. G. Swinney 2011-7-21 15535 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0081373  Solidago confinis R. G. Swinney 2010-9-9 13783 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
  RSA0081387  Stachys albens R. G. Swinney 2010-8-26 13591 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  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
  RSA0081622  Phacelia imbricata subsp. patula R. G. Swinney 2010-9-9 13739 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
  RSA0081641  Stephanomeria virgata R. G. Swinney 2010-9-9 13738 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
  RSA0081705  Camissoniopsis hirtella R. G. Swinney 2011-7-21 15548 Los Angeles Strawberry Peak summit. 1860 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
  RSA0081776  Pellaea andromedifolia R. G. Swinney 2010-8-9 13479 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  RSA0081780  Layia glandulosa R. G. Swinney 2010-5-12 12755 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
  RSA0081782  Solanum umbelliferum R. G. Swinney 2010-5-25 12953 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
  RSA0081796  Pholistoma membranaceum R. G. Swinney 2010-5-12 12766 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA0082403  Arbutus menziesii R. G. Swinney 2010-8-16 13566 Los Angeles C. 1.0 mile NW of Chantry Flats on north side of Winter Creek Trail. 768 Comment
  RSA0082586  Rumex crispus R. G. Swinney 2010-6-4 12997 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA0082590  Linanthus aureus R. G. Swinney 2010-6-1 13086 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA0082592  Polypogon semiverticillatus R. G. Swinney 2010-6-4 13004 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA0082603  Cistus incanus R. G. Swinney 2010-6-21 13306 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  RSA0082831  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2011-7-21 15553 A Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0082882  Layia glandulosa R. G. Swinney 2010-5-19 12776 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA0082960  Camissonia hirtella R. G. Swinney 2010-4-23 12359 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0082962  Chenopodium berlandieri R. G. Swinney 2010-4-23 12355 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0083012  Elymus glaucus R. G. Swinney 2010-9-7 13730 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
  RSA0083080  Pseudognaphalium californicum R. G. Swinney 2010-3-22 12022 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0083082  Salvia columbariae R. G. Swinney 2010-3-22 12033 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA0083119  Malacothamnus R. G. Swinney 2010-6-4 13040 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
  RSA0083124  Rosa californica R. G. Swinney 2010-6-4 13028 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0083128  Veronica R. G. Swinney 2010-6-4 13058 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0083137  Eleocharis R. G. Swinney 2010-9-13 13833 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA0083159  Mimulus floribundus R. G. Swinney 2010-8-9 13474 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 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
  RSA0083302  Foeniculum vulgare R. G. Swinney 2010-6-23 13322 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
  RSA0083315  Lupinus truncatus R. G. Swinney 2010-3-22 12024 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 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
  RSA0084855  Juniperus californica R. G. Swinney 2010-6-23 13376 B Los Angeles Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA0084863  Dysphania ambrosioides R. G. Swinney 2010-8-30 13639 Los Angeles Big Santa Anita Canyon bottom, 0.1 miles south of confluence with Winter Creek. 537 Comment
  RSA0084874  Rafinesquia californica R. G. Swinney 2010-5-4 12548 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
  RSA0084938  Keckiella ternata R. G. Swinney 2010-9-13 13807 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA0085094  Senecio vulgaris R. G. Swinney 2010-4-1 12158 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
  RSA0085098  Chorizanthe coriacea R. G. Swinney 2010-4-23 12377 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
  RSA0085283  Trifolium hirtum R. G. Swinney 2010-4-30 12466 Los Angeles near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  RSA0085305  Lobelia dunnii var. serrata R. G. Swinney 2010-8-26 13602 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA0085331  Lupinus hirsutissimus R. G. Swinney 2010-4-1 12164 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0085350  Camissonia strigulosa R. G. Swinney 2010-4-28 12379 Los Angeles near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0085497  Erigeron breweri R. G. Swinney 2010-8-9 13453 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
  RSA0085506  Turricula parryi R. G. Swinney 2010-9-9 13798 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
  RSA0086778  Pluchea odorata R. G. Swinney 1967-6-25 14059 Los Angeles Glendora Wilderness Park, Big Dalton Canyon. 335 Comment
  RSA0086914  Veronica anagallis-aquatica R. G. Swinney 2010-4-21 12327 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  RSA0086918  Rhamnus ilicifolia R. G. Swinney 2010-8-9 13466 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA0086999  Rhus ovata R. G. Swinney 2010-3-30 12103 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA0087027  Stipa lepida R. G. Swinney 2010-3-18 11969 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  RSA0087034  Pterostegia drymarioides R. G. Swinney 2010-4-13 12214 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0087038  Salvia mellifera R. G. Swinney 2010-4-1 12151 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
  RSA0087045  Equisetum laevigatum R. G. Swinney 2010-9-9 13796 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA0087049  Muhlenbergia californica R. G. Swinney 2010-9-9 13790 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA0087065  Stipa coronata var. coronata R. G. Swinney 2010-5-4 12522 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
  RSA0087083  Schismus barbatus R. G. Swinney 2010-3-18 11976 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
  RSA0087097  Lessingia glandulifera var. glandulifera R. G. Swinney 2010-6-1 13080 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  RSA0087237  Pseudognaphalium californicum R. G. Swinney 2010-4-28 12380 Los Angeles near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0087243  Datura wrightii R. G. Swinney 2010-5-4 12534 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
  RSA0087853  Paeonia californica R. G. Swinney 2010-3-13 11884 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 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
  RSA0087869  Dichelostemma capitatum R. G. Swinney 2010-4-30 12442 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
  RSA0087877  Pellaea andromedifolia R. G. Swinney 2010-3-13 11873 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0087919  Plagiobothrys canescens R. G. Swinney 2010-3-14 11904 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
  RSA0088077  Lotus procumbens R. G. Swinney 2010-5-19 12797 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  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
  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
  RSA0088263  Ribes malvaceum R. G. Swinney 2010-3-14 11894 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  RSA0088402  Hordeum murinum subsp. leporinum R. G. Swinney 2010-2-27 11758 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
  RSA0088415  Cyperus involucratus R. G. Swinney 2010-2-27 11754 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA0088419  Urtica urens R. G. Swinney 2010-2-27 11743 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
  RSA0088573  Poa secunda R. G. Swinney 2010-5-11 12693 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA0088587  Medicago lupulina R. G. Swinney 2010-9-13 13836 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA0088593  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-9-13 13842 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
  RSA0088600  Polypogon monspeliensis R. G. Swinney 2010-5-11 12700 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA0088619  Cuscuta R. G. Swinney 2010-3-24 12173 Los Angeles Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge. 503 Comment
  RSA0089141  Bromus hordeaceus R. G. Swinney 2010-5-7 12597 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA0089423  Juglans californica R. G. Swinney 2011-3-17 14113 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA0089515  Bromus R. G. Swinney 2011-7-21 15525 Los Angeles Strawberry Peak summit 1860 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
  RSA0089524  Lupinus bicolor R. G. Swinney 2011-5-12 14702 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  RSA0091075  Toxicodendron diversilobum R. G. Swinney 2011-4-9 14363 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA0091079  Salvia mellifera R. G. Swinney 2011-4-9 14376 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
  RSA0091084  Clematis lasiantha R. G. Swinney 2011-4-9 14365 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
  RSA0091088  Trifolium variegatum R. G. Swinney 2011-6-29 15352 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA0091095  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2011-6-29 15355 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA0091099  Ribes roezlii var. roezlii R. G. Swinney 2011-8-17 15640 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091104  Osmorhiza berteroi R. G. Swinney 2011-8-17 15644 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0091108  Paeonia californica R. G. Swinney 2011-3-22 14186 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA0091116  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-15 12236 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
  RSA0091120  Salvia columbariae R. G. Swinney 2010-4-13 12182 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
  RSA0091141  Chorizanthe staticoides R. G. Swinney 2011-5-24 14806 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
  RSA0091156  Heteromeles arbutifolia R. G. Swinney 2011-11-1 15958 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0091170  Pteridium aquilinum R. G. Swinney 2011-6-30 15403 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0091322  Juncus macrophyllus R. G. Swinney 2011-5-26 14870 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA0091356  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-6-15 15162 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA0091361  Salvia dorrii var. pilosa R. G. Swinney 2011-4-1 14315 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091487  Gilia R. G. Swinney 2011-5-24 14821 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
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Dec 7 2018
  RSA0091500  Centaurium venustum R. G. Swinney 2010-6-29 13378 Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  RSA0091502  Solanum douglasii R. G. Swinney 2010-3-13 11893 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA0091515  Ambrosia salsola R. G. Swinney 2011-4-1 14319 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0091519  Ericameria linearifolia R. G. Swinney 2010-5-12 12723 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
  RSA0091537  Saltugilia australis R. G. Swinney 2011-5-26 14876 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA0091543  Mimulus pilosus R. G. Swinney 2011-5-26 14883 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
  RSA0091713  Quercus agrifolia var. agrifolia R. G. Swinney 2011-4-9 14388 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
  RSA0091727  Bromus berteroanus R. G. Swinney 2011-4-20 14438 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
  RSA0091749  Acer macrophyllum R. G. Swinney 2011-3-22 14194 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA0091783  Cryptantha muricata var. muricata R. G. Swinney 2011-7-7 15440 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
  RSA0091987  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-7-7 15425 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0092160  Keckiella ternata subsp. ternata R. G. Swinney 2011-9-22 15683 Los Angeles San Gabriel Mountains: SE side of Camp Colby (Colby Ranch), Colby Gravy marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA0092162  Leptosiphon breviculus R. G. Swinney 2011-6-7 15036 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
  RSA0092237  Malacothamnus fremontii R. G. Swinney 2011-5-12 14683 Los Angeles San Gabriel Miountains: 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
  RSA0092455  Wyethia ovata R. G. Swinney 2011-6-23 15293 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  RSA0092463  Rosa californica R. G. Swinney 2011-6-23 15281 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200m south of Chilao Station. 1570 Comment
  RSA0092489  Carex R. G. Swinney 2011-5-12 14697 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek. West side of creek. 1183 Comment
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Sep 12 2018
  RSA0092535  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-22 15255 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
  RSA0092548  Aspidotis californica Richard G. Swinney, Chris Clarke, Veronica Pallan 2011-4-5 14349 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA0093053  Prunus ilicifolia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14342 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA0093459  Festuca arundinacea R. G. Swinney 2011-9-22 15665 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA0093474  Bromus hordeaceus Richard G. Swinney 2011-6-7 15066 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
  RSA0094091  Juncus effusus subsp. austrocalifornicus Richard G. Swinney 2011-10-13 15799 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2. 1622 Comment
  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
  RSA0094369  Lupinus benthamii R. G. Swinney 2011-5-31 14921 A 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
  RSA0094383  Penstemon labrosus Richard G. Swinney 2011-6-23 15322 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
  RSA0094551  Galium porrigens Richard G. Swinney 2011-6-6 15004 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0094566  Lupinus excubitus subsp. hallii Richard G. Swinney 2011-4-28 14525 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi west to San Gabriel Cyn. Dam. 878 Comment
  RSA0094716  Salvia mellifera R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14323 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  RSA0094720  Helianthemum scoparium R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14341 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  RSA0094926  Phacelia curvipes R. G. Swinney 2011-6-20 15222 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  RSA0095250  Bromus carinatus var. carinatus R. G. Swinney 2011-6-20 15226 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  RSA0095252  Erodium cicutarium R. G. Swinney 2011-5-6 14583 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA0095313  Saltugilia splendens subsp. splendens Richard G. Swinney 2011-6-6 14992 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA0096804  Penstemon grinnellii R. G. Swinney 2011-10-10 15753 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA0096808  Mentzelia laevicaulis R. G. Swinney 2011-9-27 15705 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  RSA0096981  Camissonia strigulosa Richard G. Swinney 2011-5-31 14906 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
  RSA0097143  Boechera sparsiflora R. G. Swinney 2011-6-20 15219 Los Angeles San Gabriel Mountains: southeast margin of Crystal Lake, 10-30 meters from water line. 1692 Comment
  RSA0097174  Phacelia longipes R. G. Swinney 2011-6-1 14968 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA0097178  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-1 14978 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA0097185  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-6-1 14960 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1061 Comment
  RSA0097522  Mimulus cardinalis R. G. Swinney 2011-9-27 15691 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
  RSA0097781  Avena barbata R. G. Swinney 2011-4-26 14520 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
  RSA0098174  Hulsea heterochroma R. G. Swinney 2011-8-5 15609 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  RSA0098363  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-1 15944 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0098374  Leptosiphon breviculus R. G. Swinney 2011-6-6 14988 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA0098378  Allophyllum divaricatum R. G. Swinney 2011-6-6 14984 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 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
  RSA0098640  Camissonia californica R. G. Swinney 2010-5-11 12688 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
  RSA0098642  Juncus bufonius R. G. Swinney 2010-5-11 12694 Los Angeles San Gabriel Mountains: east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA0098766  Galium aparine R. G. Swinney 2011-5-6 14597 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA0098781  Carex alma R. G. Swinney 2011-6-1 14941 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
  RSA0098826  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 1772 Comment
  RSA0098831  Camissoniopsis hirtella R. G. Swinney 2011-4-26 14476 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 378 Comment
  RSA0099416  Elymus elymoides subsp. elymoides R. G. Swinney 2011-6-7 15069 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
  RSA0099420  Trifolium microcephalum R. G. Swinney 2011-6-7 15051 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
  RSA0099422  Leptosiphon ciliatus R. G. Swinney 2011-6-7 15049 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
  RSA0101277  Agoseris retrorsa R. G. Swinney 2011-6-22 15262 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
  RSA0102534  Mimulus fremontii Richard G. Swinney 2011-5-16 14740 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SSE of Colby Ranch Rd. & FS Rd. 3N19 in upper Big Tujunga Cyn., c. 150 m N of lodge on SW-facing slope, E of swimming pool. 1220 Comment
  RSA0102538  Smilacina stellata Richard G. Swinney 2010-9-30 13898 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0102545  Carex multicaulis Richard G. Swinney 2011-6-7 15103 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0103429  Nicotiana attenuata R. G. Swinney 2011-7-7 15417 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
  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
  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
  RSA0103789  Layia platyglossa R. G. Swinney 2011-4-20 14453 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  RSA0103794  Orobanche fasciculata R. G. Swinney 2011-6-14 15115 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0103798  Eriogonum davidsonii R. G. Swinney 2011-6-14 15111 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0103801  Salix lasiolepis R. G. Swinney 2011-9-27 15693 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road mile SE of Dawson Saddle, from road to 150 m up canyon bottom. 2354 Comment
  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
  RSA0103929  Agoseris heterophylla R. G. Swinney 2011-6-23 15317 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  RSA0104731  Asclepias eriocarpa R. G. Swinney 2009-7-29 11417 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA0104904  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-10-25 15872 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
  RSA0104908  Solidago velutina subsp. californica R. G. Swinney 2011-10-18 15838 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
  RSA0104990  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
  RSA0104992  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
  RSA0105011  Scutellaria siphocampyloides R. G. Swinney 2011-6-23 15298 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA0105030  Lotus scoparius var. scoparius R. G. Swinney 2011-4-26 14497 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA0105032  Collinsia heterophylla var. austromontana R. G. Swinney 2011-4-26 14494 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA0105046  Cryptantha microstachys R. G. Swinney 2011-4-26 14482 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
  RSA0105157  Rhus integrifolia R. G. Swinney 2011-3-15 14102 Los Angeles San Gabriel Mountains: Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park. 232 Comment
  RSA0105208  Brickellia californica R. G. Swinney 2011-10-27 15927 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
  RSA0105216  Fraxinus uhdei R. G. Swinney 2011-10-27 15929 Los Angeles San Gabriel Mountains: 0.3 miles east (downstream) from entrance gate of Cogswell Dam along FS Route 2N25, West Fork Natl. Scenic Bikeway. 646 Comment
  RSA0105220  Cirsium occidentale R. G. Swinney 2011-7-8 15471 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak. 1207 Comment
  RSA0105222  Tribulus terrestris R. G. Swinney 2011-10-27 15901 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA0105486  Bromus hordeaceus R. G. Swinney 2011-3-18 14148 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA0105490  Heteromeles arbutifolia R. G. Swinney 2011-11-3 15991 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  RSA0105492  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  RSA0105750  Solanum umbelliferum R. G. Swinney 2011-7-7 15446 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0105970  Elymus elymoides subsp. elymoides R. G. Swinney 2011-7-8 15510 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  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
  RSA0106119  Erodium cicutarium R. G. Swinney 2011-3-15 14074 Los Angeles San Gabriel Mountains; Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA0106491  Calystegia macrostegia subsp. arida R. G. Swinney 2011-3-18 14155 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA0106504  Sambucus nigra subsp. caerulea R. G. Swinney 2011-7-29 15558 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0106508  Chenopodium fremontii R. G. Swinney 2011-7-29 15577 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0106570  Eriodictyon parryi R. G. Swinney 2011-6-14 15153 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road. 1646 Comment
  RSA0106572  Eriogonum umbellatum var. munzii R. G. Swinney 2011-6-23 15303 B Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA0106730  Camissonia strigulosa R. G. Swinney 2011-6-23 15288 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA0106732  Caulanthus amplexicaulis R. G. Swinney 2011-5-19 14789 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  RSA0106746  Muilla maritima R. G. Swinney 2011-6-14 15146 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
  RSA0106826  Ribes roezlii R. G. Swinney 2011-8-5 15611 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  RSA0106852  Penstemon labrosus R. G. Swinney 2011-7-29 15579 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0106903  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2009-7-23 11383 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA0107432  Quercus X grandidentata Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14354 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead. 268 Comment
  RSA0107651  Datisca glomerata R. G. Swinney 2011-6-23 15306 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center. 1582 Comment
  RSA0108841  Lotus procumbens R. G. Swinney 2010-6-1 13156 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
  RSA0108886  Pinus monophylla R. G. Swinney 2010-5-21 12879 Los Angeles San Gabriel Mountains: unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA0108890  Caulanthus lasiophyllus R. G. Swinney 2011-4-1 14309 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA0108892  Delphinium cardinale Richard G. Swinney 2010-8-11 13510 Los Angeles San Gabriel Mountains: San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/service road. 595 Comment
  RSA0110206  Saltugilia splendens subsp. grantii Richard G. Swinney 2011-5-16 14734 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
  RSA0110527  Gayophytum R. G. Swinney 2011-6-7 15084 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
  RSA0110534  Pseudognaphalium californicum R. G. Swinney 2010-6-1 13134 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA0110538  Mimulus pilosus R. G. Swinney 2010-6-1 13139 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA0110577  Atriplex confertifolia Richard G. Swinney 2011-4-19 14423 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
  RSA0110597  Helenium bigelovii Richard G. Swinney 2010-9-30 13917 Los Angeles 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0110755  Artemisia dracunculus R. G. Swinney 2011-10-25 15868 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA0110759  Keckiella ternata subsp. ternata R. G. Swinney 2011-10-25 15854 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
  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
  RSA0110789  Castilleja miniata Richard G. Swinney 2010-9-30 13919 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
  RSA0110794  Camissonia hirtella Richard G. Swinney 2011-4-28 14534 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
  RSA0110798  Anthriscus caucalis R. G. Swinney 2011-4-28 14532 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
  RSA0110801  Phoenix canariensis Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14353 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
  RSA0110844  Phacelia grandiflora R. G. Swinney 2011-4-26 14511 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
  RSA0110848  Lupinus excubitus var. hallii R. G. Swinney 2011-5-6 14608 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  RSA0110914  Trichostema parishii R. G. Swinney 2011-6-7 15078 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  RSA0110918  Lotus scoparius R. G. Swinney 2011-9-22 15687 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate along Camp Colby Rd., c. 0.5 road mile north of lodge. 1009 Comment
  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
  RSA0111924  Artemisia californica R. G. Swinney 2011-11-3 15988 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
  RSA0111943  Eurotia lanata Richard G. Swinney 2011-4-19 14405 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
  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
  RSA0112519  Malacothrix clevelandii Richard G. Swinney 2011-5-16 14749 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
  RSA0112524  Rhamnus californica subsp. californica Richard G. Swinney 2011-10-13 15786 Los Angeles San Gabriel Mountains: Chilao Flat, jct. of Chilao flat rd. (north entrance) & Silver Moccosin Trail. 1582 Comment
  RSA0112555  Melilotus indicus R. G. Swinney 2011-6-29 15336 B Los Angeles San Gabriel Mountains: mouth of Monte Cristo Canyon, confluence with Mill Creek. 1098 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
  RSA0112765  Salvia columbariae R. G. Swinney 2011-3-29 14270 Los Angeles San Gabriel Mts.: Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel. 366 Comment
  RSA0112769  Camissoniopsis micrantha R. G. Swinney 2011-3-29 14242 Los Angeles San Gabriel Mts.: Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N-side of river channel. 366 Comment
  RSA0113235  Sisyrinchium idahoense R. G. Swinney 2010-9-30 13907 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
  RSA0114808  Sonchus oleraceus Richard G. Swinney 2011-10-25 15895 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39. 1006 Comment
  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
  RSA0114886  Chaenactis artemisiifolia R. G. Swinney 2011-4-26 14505 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
  RSA0114946  Nemophila spatulata R. G. Swinney 2011-6-15 15183 Los Angeles San Gabriel Mountains; Chilao Creek, 100 m south and north of Chilao Campground. 1573 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
  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
  RSA0115281  Gutierrezia californica Richard G. Swinney 2010-10-5 13988 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA0115314  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-25 12916 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0115411  Galium porrigens R. G. Swinney 2010-10-5 13995 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA0115446  Carex R. G. Swinney 2011-10-13 15783 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
Read comments
Sep 12 2018
  RSA0115966  Pseudognaphalium californicum R. G. Swinney 2010-4-23 13579 Los Angeles San Gabriel Mountains: Mt. Zion Summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA0116113  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2010-8-23 13570 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA0116165  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-29 13246 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  RSA0116169  Phacelia brachyloba R. G. Swinney 2011-6-15 15208 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA0116177  Trichostema parishii R. G. Swinney 2011-6-15 15200 Los Angeles San Gabriel Mountains; SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail. 1622 Comment
  RSA0116183  Eriogonum nudum var. pubiflorum R. G. Swinney 2011-10-13 15787 Los Angeles San Gabriel Mountains; Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail. 1582 Comment
  RSA0116280  Bromus hordeaceus R. G. Swinney 2010-6-1 13162 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
  RSA0116282  Centrostegia thurberi R. G. Swinney 2010-6-1 13173 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
  RSA0116450  Polygonum aviculare R. G. Swinney 2010-8-11 13501 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA0116452  Conyza bonariensis R. G. Swinney 2010-8-11 13502 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  RSA0116480  Ribes nevadense R. G. Swinney 2010-9-30 13947 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA0116482  Piptatherum miliaceum R. G. Swinney 2010-5-25 12947 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116696  Chenopodium fremontii R. G. Swinney 2010-9-30 13938 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA0116756  Ambrosia psilostachya R. G. Swinney 2010-10-5 13967 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA0116821  Ribes roezlii R. G. Swinney 2010-9-30 13951 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA0116836  Elymus elymoides R. G. Swinney 2010-9-21 13865 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA0116842  Bromus diandrus Richard G. Swinney 2010-5-25 12938 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0119516  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-19 16561 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
  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
  RSA0119541  Encelia actoni R. G. Swinney 2014-4-30 16284 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA0119671  Turritis glabra R. G. Swinney 2014-5-21 16607 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  RSA0119751  Calystegia macrostegia subsp. arida R. G. Swinney 2014-5-15 16517 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
  RSA0119940  Abronia pogonantha R. G. Swinney 2014-4-23 16184 Los Angeles San Gabriel Mountains: east of Valyermo, Holcomb Ridge, 0.18-032 miles north of Bob's Gap Rd. 1.04 air-miles west of Bob's Gap. 1268 Comment
  RSA0119942  Gilia brecciarum subsp. brecciarum R. G. Swinney 2014-4-23 16157 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E.), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  RSA0120031  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-19 16549 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
  RSA0120155  Bromus diandrus R. G. Swinney 2014-5-27 16671 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA0120159  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-27 16660 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  RSA0121771  Vitis girdiana R. G. Swinney 1997-9-27 5876 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam. 488 Comment
  RSA0121822  Eriastrum sapphirinum subsp. dasyanthum R. G. Swinney 2009-5-9 10705 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
  RSA0122860  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2001-6-2 7964 Los Angeles Mojave Desert: Juniper Hills area, plateau on east side of Cruthers Creek, 1.3 mi. south of Devils Punchbowl Rd. 1402 Comment
  RSA0122862  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1998-7-6 6274 Los Angeles San Gabriel Mtns.: Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  RSA0124162  Thysanocarpus desertorum R. G. Swinney 2008-5-2 8719 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA0126235  Arabis glabra R. G. Swinney 2008-4-11 8660 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  RSA0128927  Eucrypta chrysanthemifolia R. G. Swinney 2009-2-20 10030 Los Angeles Mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel. 177 Comment
  RSA0129467  Boechera pulchra R. G. Swinney 1999-6-18 7309 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  RSA574300  Melica imperfecta R. G. Swinney 1994-5-7 2837 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  RSA584447  Elymus R. G. Swinney 1992-7-10 1849 Los Angeles East Baldy Peak. All plants collected within 50 yards of peak. 3049 Comment
  RSA584449  Allium burlewii R. G. Swinney 1992-7-10 1845 Los Angeles San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  RSA584471  Rosa californica R. G. Swinney 1993-6-4 2255 Los Angeles San Gabriel Mountains. 0.8 mile E of Glendora Mountain Road at Big Dalton Canyon Road. 378 Comment
  RSA596459  Calystegia macrostegia subsp. intermedia R. G. Swinney 1969-12-5 695 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
  RSA597292  Salix exigua R. G. Swinney 1994-8-23 3224 Los Angeles San Gabriel Mountains: Mount Baldy Road on W shoulder, approx. 1/4 mi SW of Mount Baldy Road Junction with Glendora Mountain Road. 1220 Comment
  RSA598255  Lupinus excubitus var. hallii R. G. Swinney 1989-11-24 1494 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon area. Big Dalton Debris Basin. 365 Comment
  RSA598274  Marah macrocarpa var. macrocarpa R. G. Swinney 1989-11-24 1473 Los Angeles San Gabriel Mountains: in and near Glendora Wilderness Park, Big Dalton Canyon, 1.2 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road. 442 Comment
  RSA598915  Quercus engelmannii R. G. Swinney 1989-8-6 s.n. Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon; Big Dalton Canyon Road, 1.0 miles NE of Glendora Mountain Road, 50 yards S of City Day Camp restroom 442 Comment
  RSA714981  Sorghum bicolor R. G. Swinney 1997-9-6 5863 Los Angeles Near junction of Big Pines Hwy and road to Terresita Pines Camp, about 100 meters E of Mescal Canyon Park [=Mescal Campground] and about 50 meters N of Big Pines Rd. 1866 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
  RSA717785  Monardella lanceolata R. G. Swinney, Dave Larson 1996-7-17 5119 Los Angeles San Dimas Experimental Forest, east half (grass portion) of Browns Flst 1317 Comment
  RSA717788  Gayophytum oligospermum R. G. Swinney, Dave Larson 1996-7-17 5124 Los Angeles San Dimas Experimental Forest, east half (grass portion) of Browns Flst 1317 Comment
  RSA717857  Mentzelia micrantha R. G. Swinney 1997-5-13 5515 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  RSA717859  Bromus tectorum R. G. Swinney 1997-4-25 5511 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  RSA717864  Pinus lambertiana R. G. Swinney 1997-4-25 5498 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  RSA717947  Thinopyrum ponticum R. G. Swinney, D. W. Larson 1996-8-7 5233 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  RSA717949  Phacelia ramosissima var. latifolia R. G. Swinney, Dave Larson 1996-8-7 5241 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at Dry Lake, site of CCC camp in 1930s. 1524 Comment
  RSA717954  Phoradendron serotinum subsp. tomentosum R. G. Swinney 1997-7-14 5677 Los Angeles West of Wrightwood, Table Mtn. area, approx. 100 m NW of amphitheater and Table Mtn. Campground. 2207 Comment
  RSA718060  Arctostaphylos parryana R. G. Swinney 1997-8-19 5806 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA718215  Eriogonum nudum var. pauciflorum R. G. Swinney 1997-6-13 5577 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  RSA719024  Pectocarya penicillata R. G. Swinney 1998-4-14 5978 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA719026  Lotus strigosus R. G. Swinney 1998-4-14 5976 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
  RSA719030  Medicago polymorpha R. G. Swinney 1998-4-13 5960 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  RSA719057  Amsinckia intermedia R. G. Swinney 1998-4-13 5955 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  RSA719059  Matricaria matricarioides R. G. Swinney 1998-4-13 5949 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  RSA719109  Dactylis glomerata R. G. Swinney 1997-8-6 5766 Los Angeles along Hwy 2 0.5 mi W of Big Pines (road junction) E of Jackson Lake 2024 Comment
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Mar 27 2014
  RSA719590  Crepis acuminata R. G. Swinney 1997-7-17 5687 Los Angeles Summit of Table Mountain, NW of Wrightwood. 2277 Comment
  RSA719632  Parietaria hespera R. G. Swinney 1998-2-16 5895 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  RSA719637  Lithophragma affine R. G. Swinney 1998-3-14 5909 Los Angeles Evey Canyon, ca. 0.75 mi. W of Mt. Baldy Rd., ca. 0.3 mi. NE of Potato Mtn. 793 Comment
  RSA719639  Paspalum dilatatum R. G. Swinney 1997-12-31 5892 Los Angeles South Coast: Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway about 300 m E of Irwindale Ave. 152 Comment
  RSA719731  Pteridium aquilinum var. pubescens R. G. Swinney 1996-8-7 5212 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown s Flat 1317 Comment
  RSA719735  Rhus trilobata R. G. Swinney 1996-8-7 5217 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown s Flat 1317 Comment
  RSA719738  Stephanomeria virgata subsp. virgata R. G. Swinney 1996-8-7 5222 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  RSA719818  Plantago indica R. G. Swinney 1997-7-14 5675 Los Angeles Glendora, Big Dalton Canyon Percolation Basin, east side of Glendora Mtn. Rd. 320 Comment
  RSA720475  Amaranthus albus R. G. Swinney 1997-9-6 5873 Los Angeles Jackson Lake W of Wrightwood 1875 Comment
  RSA720601  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 1997-7-23 5733 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area. 2256 Comment
  RSA720608  Chenopodium fremontii R. G. Swinney 1997-7-17 5721 Los Angeles 0.5 mi. N of smiit of Table Mountain, NW of Wrightwood; 0.8 mi. NE of FS Rd. 4N21 (paved) on 4N21B 2134 Comment
  RSA720610  Platanthera sparsiflora Richard G. Swinney 1997-7-23 5722 Los Angeles upper Government Canyon, c 2 mi W of Wrightwood, Blue Ridge Mtn area 2256 Comment
  RSA721487  Stellaria nitens R. G. Swinney 1995-4-4 3478 Los Angeles Glendora. Ridge overlooking S end of Mystic Canyon at Big Dalton Canyon. 451 Comment
  RSA725846  Castilleja plagiotoma R. G. Swinney 1997-6-25 5644 Los Angeles San Gabrial Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  RSA725859  Polypogon interruptus R. G. Swinney 1998-5-9 6048 Los Angeles San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  RSA725885  Eriogonum pusillum R. G. Swinney 1997-6-25 5642 Los Angeles San Gabriel Mountains: southwest of Wrightwood, Blue Ridge ca. 0.5 mi. W of Guffy Camp, Forest Service Rd. 3N06, ca. 5.1 miles east of Hwy 2. 2518 Comment
  RSA726044  Plagiobothrys arizonicus R. G. Swinney 1998-4-14 6021 Los Angeles San Gabriel Mtns./Southern Mojave Desert: mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream. 1476 Comment
  RSA726046  Barbarea orthoceras R. G. Swinney 1997-6-19 5627 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  RSA726052  Astragalus lentiginosus var. antonius R. G. Swinney 1997-6-25 5641 Los Angeles San Gabriel Mountains: southwest of Wrightwood, Blue Ridge ca. 0.5 mi. W of Guffy Camp, Forest Service Rd. 3N06, ca. 5.1 miles east of Hwy 2. 2518 Comment
  RSA726057  Thinopyrum intermedium R. G. Swinney 1997-6-25 5635 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  RSA726059  Allophyllum integrifolium R. G. Swinney 1997-6-25 5633 Los Angeles San Gabrial Mtns.: west of Wrightwood, ca. 0.25 mi. east of Hwy 2, ca. 300 m N of Guffy Rd. (3N06) 2317 Comment
  RSA727337  Camissonia pallida subsp. pallida R. G. Swinney 1998-5-16 6060 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA727339  Centrostegia thurberi R. G. Swinney 1998-5-16 6058 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA727402  Osmorhiza brachypoda R. G. Swinney 1998-5-30 6171 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA729092  Salix lasiolepis R. G. Swinney 1999-6-30 7468 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills. 1463 Comment
  RSA729097  Allophyllum integrifolium R. G. Swinney 1999-7-5 7518 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
  RSA729099  Monardella linoides R. G. Swinney 1999-7-5 7503 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  RSA729104  Claytonia perfoliata R. G. Swinney, D. W. Larson 1999-7-21 7564 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  RSA729179  Monardella cinerea R. G. Swinney 1998-7-14 6439 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  RSA729186  Poa annua R. G. Swinney 1998-7-10 6414 Los Angeles Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground. Canyon bottom with riparian forest of Alnus rhombifolia, surrounded by montane coniferous forest and chaparral. 1585 Comment
  RSA729191  Lamarckia aurea R. G. Swinney 1999-5-15 7170 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 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
  RSA729198  Chenopodium fremontii R. G. Swinney 1998-7-10 6373 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  RSA729202  Mentzelia congesta R. G. Swinney 1998-7-14 6448 Los Angeles Pine Mountain Ridge; 0.8 mi. west of Camp Lupine trail. Broad ridge top. 2262 Comment
  RSA729207  Cystopteris fragilis R. G. Swinney 1998-10-3 6996 Los Angeles upper Fish Fork San Gabriel River, c. 1/2 mi. east (upstream) from Upper Fish Fork Campgroun, tributary from N side of San Antonio Ridge. 1939 Comment
  RSA729209  Dodecatheon redolens R. G. Swinney 1998-9-7 6936 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  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
  RSA729307  Eriogonum parishii R. G. Swinney 1998-7-2 6231 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
  RSA729343  Thysanocarpus laciniatus R. G. Swinney 1999-4-9 7078 Los Angeles Dime Canyon, c. 200m south of Cattle Canyon at the falls 671 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
  RSA729358  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-27 6500 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 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
  RSA729387  Thinopyrum ponticum R. G. Swinney 1998-6-27 6506 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA729389  Hieracium albiflorum R. G. Swinney 1998-7-21 6467 Los Angeles Upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail. 1707 Comment
  RSA729393  Linanthus pungens R. G. Swinney 1998-7-21 6488 Los Angeles Fish Fork Trail, 1.9 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2134 Comment
  RSA729412  Stellaria media R. G. Swinney 1999-4-9 7085 Los Angeles San Gabriel Mtns.: Mouth of Peacock Canyon, at conlfuence with Cattle Canyon 640 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
  RSA729419  Quercus chrysolepis R. G. Swinney 1998-8-27 6794 Los Angeles ridge due north of Big Horn Ridge and south of San Antonio Ridge hight spor on ridge above Coldwater Canyon. Montane coniferous forest and chaparral on ridge top. 2378 Comment
  RSA729432  Aquilegia formosa R. G. Swinney 1998-7-14 6425 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  RSA729512  Monardella linoides R. G. Swinney 1999-7-5 7540 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
  RSA729517  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6693 Los Angeles Falls Gulch, waterfall 100m above confluence with upper East Fork San Gabriel River. 1037 Comment
  RSA729519  Claytonia perfoliata R. G. Swinney 1990-7-5 7520 Los Angeles Cedar Canyon; canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5mi. west of junction of Hwy 2 Comment
  RSA729532  Viola purpurea subsp. purpurea R. G. Swinney 1998-6-16 6969 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Cnyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  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
  RSA729539  Cheilanthes covillei R. G. Swinney 1998-6-16 6981 Los Angeles Ridge c. 150m SE of summit of Lookout (Antonio) Mtn. 2012 Comment
  RSA729550  Lotus heermannii var. heermannii R. G. Swinney, D. W. Larson 1999-6-12 7545 Los Angeles San Gabriel Mtns.: upper East Fork San Dimas Canyon, north of confluence with Fern Canyon. 869 Comment
  RSA729660  Lotus crassifolius var. crassifolius R. G. Swinney 1998-7-2 6265 Los Angeles San Gabriel Mtns.: north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21. 1963 Comment
  RSA729690  Silene verecunda subsp. platyota R. G. Swinney 1998-8-31 6865 Los Angeles San Antonio Ridge, 1.1 mi. west of Baldy, east of saddle. 2415 Comment
  RSA729713  Mirabilis laevis var. crassifolia R. G. Swinney 1999-6-18 7310 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  RSA729733  Camissonia claviformis subsp. claviformis R. G. Swinney 1999-6-5 7255 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  RSA729833  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6346 Los Angeles San Gabriel Mtns.: Wright Mountain, south of Wrightwood. 2585 Comment
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May 24 2017
  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
  RSA729935  Leptosiphon breviculus R. G. Swinney 1999-6-28 7435 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek Cny. Rd. 1402 Comment
  RSA729938  Datisca glomerata R. G. Swinney, D. W. Larson 1999-6-25 7418 Los Angeles San Gabriel Mtns.: south fork of Fern Canyon, NE of Browns Flat 1280 Comment
  RSA730070  Pholistoma auritum var. auritum R. G. Swinney, D. W. Larson 1999-5-15 7139 Los Angeles San Gabriel Mtns.: Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest. 549 Comment
  RSA730250  Lupinus excubitus var. austromontanus R. G. Swinney 1999-6-15 7270 Los Angeles San Gabriel Mtns.: western end of ridge extending from Big John Peak, above Big John Flat 1768 Comment
  RSA730312  Dicentra chrysantha R. G. Swinney 1998-9-4 6913 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA731968  Pectocarya penicillata R. G. Swinney 2001-4-18 7890 Los Angeles Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge.Sandy granitic soil in flat sandy area. 1223 Comment
  RSA732814  Trifolium hirtum R. G. Swinney 2001-4-17 7871 Los Angeles Glendora, Morgan Canyon debris basin. Comment
  RSA732820  Collinsia heterophylla R. G. Swinney 2000-5-21 7776 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  RSA732860  Gilia leptantha subsp. transversa R. G. Swinney 2001-5-17 7953 Los Angeles Bobs Gap, c. 1/4 mile north of Panorama Rd. on Bobs Gap Rd. 1232 Comment
  RSA732912  Poa pratensis R. G. Swinney 1997-6-19 5622 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 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
  RSA732919  Carex fracta R. G. Swinney 1999-8-16 7659 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope, 2445 Comment
  RSA732932  Chaenactis glabriuscula R. G. Swinney 2000-5-21 7772 Los Angeles NE of Azusa, Rincon Canyon, c. 300 m SW of Rincon Rd. entrance and Hwy 39, on plateau W of Rincon Rd. 549 Comment
  RSA732937  Lotus nevadensis R. G. Swinney 1998-7-8 6344 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA732939  Carex alma R. G. Swinney 1999-8-14 7618 Los Angeles Upper Fish Fork San Gabriel River, c.1.3 air mi. ESE of Upper Fish Fork Campground. 2268 Comment
  RSA733033  Ribes roezlii var. roezlii R. G. Swinney 1998-7-8 6343 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA733134  Polypogon viridis R. G. Swinney 1998-8-1 6607 Los Angeles Mine Gulch at East Fork of San Gabriel River Canyon. Open canyon bottom, lower Mine Gulch with no riparian development except right at aconfluence; sandy-silty soil with rocks. 1341 Comment
  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
  RSA733443  Nicotiana attenuata R. G. Swinney 1998-8-31 6882 Los Angeles San Gabriel Mtns.: San Antonio Ridge, 2.1 mi. west of west Mt. Baldy. +/-1000m. Comment
  RSA733555  Dudleya lanceolata R. G. Swinney 1998-8-21 6779 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  RSA733563  Gayophytum oligospermum R. G. Swinney 1998-8-13 6748 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
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Jul 21 2010
  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
  RSA733587  Bromus grandis R. G. Swinney 1998-7-24 6563 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
  RSA733593  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-7-29 6545 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
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Mar 14 2010
  RSA733661  Equisetum laevigatum R. G. Swinney 1998-7-24 6566 Los Angeles San Gabriel Mtns.: Upper Fish Fork of San Gabriel River. 1585 Comment
  RSA733665  Muhlenbergia californica R. G. Swinney 1998-8-5 6636 Los Angeles San Gabriel Mtns.: Bear Gulch, 0.3 miles norht of confluene with Prairie Fork, SW of Wrightwood 1524 Comment
  RSA733668  Piperia Richard G. Swinney 1998-8-5 6640 Los Angeles San Gabriel Mtns.: Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 Comment
  RSA733672  Guillenia lasiophylla R. G. Swinney 1998-8-5 6661 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  RSA733677  Adiantum capillus-veneris R. G. Swinney 1998-8-5 6653 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  RSA733679  Boykinia rotundifolia R. G. Swinney 1998-8-6 6669 Los Angeles Falls Gulch, waterfall 100m above confluence with upper East Fork San Gabriel River. 1037 Comment
  RSA733754  Malacothrix clevelandii R. G. Swinney 2000-5-28 7787 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Redbox Road 2.1 mi. SW of Hwy 39 at Rincon Station; +/-1000. 732 Comment
  RSA733756  Clarkia dudleyana R. G. Swinney 2000-5-21 7781 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Canyon, 1 mi. S of junction with Hwy 39 at Rincon Station, ca. 1000m 610 Comment
  RSA733762  Epilobium canum subsp. latifolium R. G. Swinney 2000-6-19 7824 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA733767  Arctostaphylos glandulosa subsp. mollis R. G. Swinney 2000-6-19 7831 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA733769  Lonicera subspicata R. G. Swinney 2000-6-19 7811 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA733771  Carex alma R. G. Swinney 1998-7-29 6527 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  RSA733775  Castilleja miniata subsp. miniata R. G. Swinney 1998-7-29 6536 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
  RSA733778  Lilium parryi Richard G. Swinney 1998-7-29 6529 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  RSA734976  Emmenanthe penduliflora R. G. Swinney 1998-7-2 6212 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA746405  Gilia R. G. Swinney 2003-7-11 8296 Los Angeles Juniper Hills, Pallet Creek 0.4 mi south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
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Dec 7 2018
  RSA746408  Amsinckia tessellata R. G. Swinney 2008-5-12 8833 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
  RSA746410  Microseris lindleyi R. G. Swinney 2008-5-12 8836 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  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
  RSA746627  Croton californicus R. G. Swinney 2008-4-10 8640 Los Angeles San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir. 402 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
  RSA746772  Silene gallica R. G. Swinney 2008-4-17 8692 Los Angeles San Gabriel Mtns.: San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA746777  Malva parviflora R. G. Swinney 2008-4-17 8680 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA746779  Microseris lindleyi R. G. Swinney 2008-5-8 8782 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
  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
  RSA746798  Filago californica R. G. Swinney 2008-3-26 8572 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA746841  Geranium carolinianum R. G. Swinney 2008-4-30 8695 Los Angeles Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  RSA746845  Lupinus bicolor R. G. Swinney 2008-4-17 8689 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA746895  Bromus diandrus R. G. Swinney 2005-4-15 8215 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 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
  RSA746955  Emmenanthe penduliflora R. G. Swinney 2008-5-2 8728 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA746958  Lotus heermannii R. G. Swinney 2008-4-30 8712 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA747002  Muhlenbergia microsperma R. G. Swinney 2005-4-9 8210 Los Angeles San Dimas, Sycamore Canyon 396 Comment
  RSA747043  Urtica urens R. G. Swinney 2008-4-16 8672 Los Angeles San Dimas, Spring Canyon. 341 Comment
  RSA747051  Ficus palmata R. G. Swinney 2008-5-30 8891 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  RSA747055  Filago gallica R. G. Swinney 2008-5-30 8885 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  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
  RSA747063  Adiantum capillus-veneris R. G. Swinney 2008-5-30 8906 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office. 268 Comment
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Sep 22 2010
  RSA747074  Medicago lupulina R. G. Swinney 2008-5-30 8888 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA747076  Setaria parviflora R. G. Swinney 2008-5-30 8894 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA747130  Anemopsis californica R. G. Swinney 2008-6-9 8974 Los Angeles mouth of Sandrock Creek, 0.26 mi. (air) south of Valyermo post office 1137 Comment
  RSA747144  Gilia R. G. Swinney 2008-5-8 8811 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
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Dec 7 2018
  RSA747146  Viola purpurea R. G. Swinney 2008-5-8 8806 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA747152  Gilia R. G. Swinney 2008-5-8 8810 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
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Dec 7 2018
  RSA747157  Encelia farinosa R. G. Swinney 2008-6-2 8920 Los Angeles San Gabriel Canyon, 0.6 mi. above (east) of El Encanto park office, on shoulder of the old road 280 Comment
  RSA747159  Gnaphalium luteoalbum R. G. Swinney 2008-5-30 8915 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
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Dec 25 2010
  RSA747185  Potentilla glandulosa R. G. Swinney 2008-6-9 9010 Los Angeles middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail 1585 Comment
  RSA747194  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2008-6-10 8995 Los Angeles Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  RSA747196  Cuscuta subinclusa R. G. Swinney 2005-8-11 8459 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA747227  Gilia angelensis R. G. Swinney 2008-4-10 8626 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  RSA747229  Chorizanthe staticoides R. G. Swinney 2008-4-7 8617 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
  RSA747262  Erigeron foliosus R. G. Swinney 2005-8-22 8510 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon 1280 Comment
  RSA747269  Eriogonum nudum R. G. Swinney 2005-8-26 8530 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, peak 6374 c. 1/2 mi. SW of Devil's Chair. 1933 Comment
  RSA747271  Achnatherum parishii subsp. parishii R. G. Swinney 2005-8-26 8527 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, peak 6374 c. 1/2 mi. SW of Devil's Chair 1933 Comment
  RSA747297  Clematis ligusticifolia R. G. Swinney 2005-8-5 8376 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1561 Comment
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Nov 29 2012
  RSA747327  Erigeron foliosus R. G. Swinney 2005-8-11 8441 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA747329  Pellaea mucronata subsp. mucronata R. G. Swinney 2005-8-11 8438 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA747347  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2008-5-8 8788 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA747349  Salix exigua R. G. Swinney 2008-5-8 8797 Los Angeles San Gabriel Mtns.: West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA747362  Crassula connata R. G. Swinney 2008-3-26 8563 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  RSA747369  Ericameria linearifolia R. G. Swinney 2008-6-10 8979 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  RSA747375  Eriodictyon trichocalyx R. G. Swinney 2008-6-10 9015 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  RSA747397  Leymus triticoides R. G. Swinney 2008-6-9 8957 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 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
  RSA747413  Erigeron foliosus R. G. Swinney 2008-6-9 8964 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA747618  Mimulus guttatus R. G. Swinney 2008-6-9 9013 Los Angeles lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  RSA748078  Juncus balticus subsp. ater R. G. Swinney 2005-5-21 8273 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  RSA748900  Nama californica R. G. Swinney 2008-5-12 8835 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
  RSA748915  Eriophyllum confertiflorum R. G. Swinney 2008-5-2 8726 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA749037  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA749115  Verbena lasiostachys R. G. Swinney 2005-8-9 8429 Los Angeles San Gabriel Mts: Big Rock Creek at Paradise Springs. 1439 Comment
  RSA749118  Chenopodium berlandieri R. G. Swinney 2005-8-5 8387 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA749652  Helenium bigelovii R. G. Swinney 2001-9-15 8173 Los Angeles Little Jimmy Spring 2256 Comment
  RSA750212  Atriplex canescens R. G. Swinney 2005-7-21 8321 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA750458  Carex alma R. G. Swinney 2005-7-21 8337 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  RSA755338  Phoradendron pauciflorum R. G. Swinney 2008-7-25 9309 Los Angeles Twin Peaks, west peak. 2299 Comment
  RSA755457  Eriogonum baileyi R. G. Swinney 2008-10-8 9523 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  RSA755459  Pellaea mucronata subsp. californica R. G. Swinney 2008-7-16 9255 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  RSA755464  Camissonia hirtella R. G. Swinney 2008-7-16 9267 Los Angeles just north of confluence of Cooper Creek Canyon and Little Rock Creek Canyon, along trail. 1720 Comment
  RSA755573  Azolla filiculoides R. G. Swinney 2008-9-9 9335 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA755581  Lotus salsuginosus R. G. Swinney 2008-7-12 9172 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA755585  Clematis ligusticifolia R. G. Swinney 2008-10-16 9591 Los Angeles Jackson Lake, south side of Big Pines Highway 1872 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
  RSA755594  Epilobium ciliatum R. G. Swinney 2008-7-15 9238 Los Angeles Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  RSA755596  Luzula comosa R. G. Swinney 2008-7-15 9235 Los Angeles Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  RSA755629  Tauschia parishii R. G. Swinney 2008-7-15 9215 Los Angeles San Gabriel Mountains: Winston Peak. 2275 Comment
  RSA755725  Stephanomeria exigua R. G. Swinney 2008-10-7 9480 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA755745  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-7-3 9163 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp. 2329 Comment
  RSA755806  Garrya veatchii R. G. Swinney 2009-1-19 10000 Los Angeles Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  RSA755821  Senecio vulgaris R. G. Swinney 2008-12-2 9907 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east. 165 Comment
  RSA755825  Schinus molle R. G. Swinney 2008-12-2 9900 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 165 Comment
  RSA755841  Acer macrophyllum R. G. Swinney 2008-7-2 9108 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 and Old Hwy 39 1878 Comment
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Sep 21 2010
  RSA755845  Rubus parviflorus R. G. Swinney 2008-7-2 9126 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
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Jun 13 2013
  RSA755848  Arceuthobium californicum R. G. Swinney 2008-7-2 9114 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
  RSA755853  Lotus oblongifolius R. G. Swinney 2008-7-2 9120 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy. 1976 Comment
  RSA755872  Eriophyllum confertiflorum R. G. Swinney 2008-7-16 9242 Los Angeles Will Thrall Peak, west of Burkhart Saddle. 2378 Comment
  RSA755877  Eriogonum saxatile R. G. Swinney 2008-7-16 9259 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  RSA755884  Holodiscus microphyllus R. G. Swinney 2008-7-24 9279 Los Angeles Waterman Mountain 2412 Comment
  RSA755886  Lotus nevadensis R. G. Swinney 2008-7-24 9291 Los Angeles Waterman Mountain 2412 Comment
  RSA756061  Pterospora andromedea R. G. Swinney 2008-7-16 9268 Los Angeles Burkhart Trail on south side of Cooper Creek Canyon, 1.4 mi. NE of Burkhart Trailhead parking lot, west of Buckhorn Canyon 1756 Comment
  RSA756079  Microseris lindleyi R. G. Swinney 1998-4-14 5982 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
  RSA756084  Cordylanthus rigidus R. G. Swinney 2008-10-7 9462 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA756147  Cirsium vulgare R. G. Swinney 2008-7-13 9185 Los Angeles San Dimas Experimental Forest, east fork of Bell Canyon at debris basin 756 Comment
  RSA756149  Epilobium ciliatum R. G. Swinney 2008-7-12 9170 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 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
  RSA756156  Tamarix ramosissima R. G. Swinney 2008-7-12 9176 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA756736  Mimulus guttatus R. G. Swinney 2008-6-24 9094 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  RSA756740  Clarkia dudleyana R. G. Swinney 2008-6-24 9097 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 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
  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
  RSA757707  Epilobium ciliatum R. G. Swinney 2008-6-24 9092 Los Angeles Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon. 244 Comment
  RSA757709  Prunus virginiana R. G. Swinney 2008-6-18 9074 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  RSA759007  Erigeron foliosus R. G. Swinney 2008-10-8 9529 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA759009  Eriogonum baileyi R. G. Swinney 2008-10-8 9540 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA760559  Lathyrus vestitus R. G. Swinney 2009-3-10 10059 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA760585  Leymus triticoides R. G. Swinney 2008-10-16 9617 Los Angeles Big Pine Meadow 2061 Comment
  RSA760588  Populus balsamifera subsp. trichocarpa R. G. Swinney 2009-2-20 10020 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39. 305 Comment
  RSA760594  Umbellularia californica R. G. Swinney 2008-12-6 9960 Los Angeles Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  RSA760596  Epilobium ciliatum R. G. Swinney 2008-12-4 9949 Los Angeles 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
  RSA760603  Eriogonum umbellatum R. G. Swinney 2008-8-13 9402 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA760671  Galium hallii R. G. Swinney 2008-8-13 9407 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA760697  Muhlenbergia californica R. G. Swinney 2008-9-10 9422 Los Angeles South Fork Big Rock Creek 1463 Comment
  RSA760699  Carex alma R. G. Swinney 2008-8-14 9435 Los Angeles South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  RSA761150  Cordylanthus rigidus R. G. Swinney 2008-10-10 9561 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761705  Eriogonum umbellatum R. G. Swinney 2008-10-10 9570 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761708  Symphyotrichum ascendens R. G. Swinney 2008-10-10 9548 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA761773  Vulpia myuros R. G. Swinney 2008-11-30 9895 Los Angeles Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  RSA762351  Crassula connata R. G. Swinney 2009-3-6 10053 Los Angeles 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  RSA762355  Stellaria media subsp. pallida R. G. Swinney 2009-2-20 10032 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA762358  Filago californica R. G. Swinney 2009-2-20 10031 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA762363  Salvia mellifera R. G. Swinney 2009-3-13 10114 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  RSA762417  Calocedrus decurrens R. G. Swinney 2008-8-13 9379 Los Angeles Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA762419  Carex alma R. G. Swinney 2008-8-13 9377 Los Angeles Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA762713  Stellaria media R. G. Swinney 2009-2-20 10033 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA763508  Baccharis salicifolia R. G. Swinney 2008-11-30 9883 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA763510  Pennisetum setaceum R. G. Swinney 2008-11-30 9885 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA764070  Penstemon rostriflorus R. G. Swinney 2008-8-13 9389 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  RSA771552  Bromus carinatus R. G. Swinney 2009-5-28 10952 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA771557  Salix exigua R. G. Swinney 2009-5-28 10947 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771559  Lupinus R. G. Swinney 2009-5-28 10944 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771564  Erodium cicutarium R. G. Swinney 2009-5-28 10934 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771573  Pinus lambertiana R. G. Swinney 2009-6-2 11011 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA771581  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-6 10662 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA771585  Platystemon californicus R. G. Swinney 2009-5-5 10650 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing. 963 Comment
  RSA771588  Tamarix ramosissima R. G. Swinney 2009-5-6 10665 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA771594  Rhamnus californica R. G. Swinney 2009-6-2 11005 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA771603  Elymus elymoides R. G. Swinney 2009-5-28 10971 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA771642  Prunus fasciculata var. fasciculata R. G. Swinney 2009-5-13 10795 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA771647  Atriplex canescens R. G. Swinney 2009-5-13 10798 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  RSA771649  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2009-5-20 10802 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA771765  Lomatium mohavense subsp. longilobum R. G. Swinney 2009-5-20 10809 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA771768  Mirabilis laevis R. G. Swinney 2009-5-20 10812 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA771777  Phacelia distans R. G. Swinney 2009-5-20 10819 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA771841  Ceanothus leucodermis R. G. Swinney 2009-5-28 10939 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771848  Eriogonum R. G. Swinney 2009-5-27 10909 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
  RSA771853  Pectocarya penicillata R. G. Swinney 2009-5-28 10922 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA771898  Eriogonum deflexum var. baratum R. G. Swinney 2009-5-5 10627 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing. 951 Comment
  RSA771902  Descurainia pinnata R. G. Swinney 2009-5-5 10632 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA772101  Lonicera interrupta R. G. Swinney 2009-5-20 10852 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA772105  Viola purpurea R. G. Swinney 2009-5-20 10848 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA772108  Claytonia parviflora R. G. Swinney 2009-4-28 10542 Los Angeles summit of Mt. Emma 1585 Comment
  RSA772110  Cercocarpus betuloides R. G. Swinney 2009-5-20 10835 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA772157  Carex senta R. G. Swinney 2009-5-27 10898 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA772159  Arctostaphylos patula R. G. Swinney 2009-6-2 10995 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA772164  Xylorhiza tortifolia R. G. Swinney 2009-5-12 10742 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164deg.) of Littlerock 1061 Comment
  RSA772166  Chorizanthe perfoliata R. G. Swinney 2009-5-12 10744 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
  RSA772194  Cryptantha simulans R. G. Swinney 2009-5-27 10866 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA772203  Gayophytum R. G. Swinney 2009-5-27 10876 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  RSA772275  Pinus monophylla R. G. Swinney 2009-5-6 10690 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA772278  Pholistoma auritum R. G. Swinney 2009-5-8 10695 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA772283  Cuscuta californica R. G. Swinney 2009-5-6 10653 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA772297  Galium R. G. Swinney 2009-4-28 10534 Los Angeles summit of Mt. Emma. 1585 Comment
  RSA772299  Elymus elymoides R. G. Swinney 2009-4-28 10536 Los Angeles summit of Mt. Emma 1585 Comment
  RSA772303  Ericameria linearifolia R. G. Swinney 2009-4-28 10530 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
  RSA772371  Rumex salicifolius R. G. Swinney 2009-5-20 10833 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA772383  Cryptantha circumscissa R. G. Swinney 2009-5-12 10754 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1435 Comment
  RSA772392  Lotus procumbens R. G. Swinney 2009-5-12 10717 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
  RSA773290  Eriogonum R. G. Swinney 2009-6-24 11271 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA773525  Amaranthus blitoides R. G. Swinney 2009-6-28 11291 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway 194 Comment
  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
  RSA773602  Cercocarpus betuloides R. G. Swinney 2009-6-24 11267 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA773607  Sisymbrium altissimum R. G. Swinney 2009-6-24 11278 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA773609  Rubus ursinus R. G. Swinney 2009-6-12 11119 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  RSA773676  Poa secunda R. G. Swinney 2009-6-3 11045 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773781  Wyethia ovata R. G. Swinney 2009-7-22 11307 Los Angeles summit of Mt. Hillyer, north of Horse Flats 1866 Comment
  RSA773785  Arctostaphylos patula R. G. Swinney 2009-7-22 11303 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA773788  Quercus wislizeni R. G. Swinney 2009-7-22 11300 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA773801  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-17 11153 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  RSA773808  Cryptantha muricata R. G. Swinney 2009-6-17 11187 Los Angeles San Gabriel Mtns.: Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA773824  Bromus carinatus R. G. Swinney 2009-6-3 11034 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773826  Bromus diandrus R. G. Swinney 2009-6-3 11036 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA773830  Rhus ovata R. G. Swinney 2009-6-12 11145 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  RSA773857  Thinopyrum intermedium R. G. Swinney 2009-8-25 11468 Los Angeles west summit of Table Mountain, NE of Big Pines 2284 Comment
  RSA773859  Monardella linoides R. G. Swinney 2009-8-25 11466 Los Angeles west summit of Table Mountain, NE of Big Pines. 2284 Comment
  RSA773969  Rhamnus californica R. G. Swinney 2009-7-29 11434 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA773971  Phacelia hastata R. G. Swinney 2009-7-29 11439 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA773975  Gayophytum R. G. Swinney 2009-7-29 11420 Los Angeles Pacifico Mountain summit. 2134 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
  RSA773983  Erigeron foliosus R. G. Swinney 2009-7-22 11317 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA773997  Erysimum capitatum R. G. Swinney 2009-7-22 11309 Los Angeles summit of Mt. Hillyer, north of Horse Flats 1866 Comment
  RSA773999  Galium johnstonii R. G. Swinney 2009-7-22 11315 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA774270  Rhamnus californica R. G. Swinney 2009-6-8 11093 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  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
  RSA774605  Leptosiphon breviculus R. G. Swinney 2009-7-29 11414 Los Angeles Pacifico Mountain summit 2134 Comment
  RSA774608  Epilobium canum R. G. Swinney 2009-7-29 11410 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA774610  Artemisia tridentata R. G. Swinney 2009-7-29 11427 Los Angeles Pacifico Mountain summit 2134 Comment
  RSA774624  Pinus coulteri R. G. Swinney 2009-7-29 11431 Los Angeles Pacifico Mountain summit 2134 Comment
  RSA774743  Cuscuta californica R. G. Swinney 2009-6-17 11200 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA774787  Epilobium brachycarpum R. G. Swinney 2009-7-23 11385 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774789  Epilobium densiflorum R. G. Swinney 2009-7-23 11389 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774793  Penstemon labrosus R. G. Swinney 2009-7-23 11391 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774802  Cordylanthus nevinii R. G. Swinney 2009-7-23 11398 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA774843  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2009-6-12 11150 Los Angeles Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39, near road shoulder 226 Comment
  RSA774858  Penstemon grinnellii R. G. Swinney 2009-6-24 11245 Los Angeles summit of Granite Mountain 1988 Comment
  RSA774863  Arctostaphylos patula R. G. Swinney 2009-6-24 11247 Los Angeles summit of Granite Mountain 1988 Comment
  RSA774953  Orobanche californica R. G. Swinney 2009-5-6 10689 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA774961  Lotus humistratus R. G. Swinney 2009-4-29 10591 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA776322  Salazaria mexicana R. G. Swinney 2009-4-29 10611 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA776327  Ericameria linearifolia R. G. Swinney 2009-4-29 10603 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA777430  Schedonorus arundinaceus R. G. Swinney 2009-5-27 10857 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA777524  Eriogonum davidsonii R. G. Swinney 2009-5-20 10839 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  RSA777526  Gilia R. G. Swinney 2009-5-20 10838 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
Read comments
Dec 7 2018
  RSA777530  Ericameria linearifolia R. G. Swinney 2009-5-20 10822 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA777872  Mentzelia veatchiana R. G. Swinney 2009-6-17 11203 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA777877  Ceanothus greggii R. G. Swinney 2009-6-8 11101 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA777879  Bromus hordeaceus R. G. Swinney 2009-6-8 11103 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779205  Clarkia rhomboidea R. G. Swinney 2009-6-3 11061 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779208  Camissonia hirtella R. G. Swinney 2009-6-8 11076 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA780994  Forestiera pubescens R. G. Swinney 2009-5-13 10781 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  RSA780996  Camissonia R. G. Swinney 2009-5-27 10908 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  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
  RSA782201  Mimulus floribundus R. G. Swinney 2009-8-25 11480 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA782205  Melilotus albus R. G. Swinney 2009-8-25 11475 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 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
  RSA782438  Juncus xiphioides R. G. Swinney 2008-5-30 8909 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  SD197802  Phacelia distans R. G. Swinney 2008-5-2 8742 Los Angeles San Gabriel Mountains: Big Rock Creek at Paradise Springs, on campground property. 1470 Comment
  SD232629  Cryptantha R. G. Swinney 2008-5-12 8834 Los Angeles San Gabriel Mtns.: east fork of Punchbowl Canyon near north boundary of Devils Punchbown Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
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Dec 6 2018
  SD234233  Juncus macrophyllus R. G. Swinney, Dave Larson 1999-7-21 7562 Los Angeles San Gabriel Mtns: upper Fern Canyon, San Dimas Experimental Forest, 200 m below Fern Dam #1, NE of Browns Flat (Mt Baldy 7.5' Q) 1341 Comment
  SD234282  Bahiopsis laciniata R. G. Swinney 1998-5-4 6045 Los Angeles San Gabriel Valley: Irwindale - Azusa boundary, old gravel pit immediately north of 210 Fwy. 167 Comment
  SD234538  Viola sheltonii R. G. Swinney, Dave Larson 1999-6-25 7419 Los Angeles San Gabriel Mtns.: south fork of Fern Canyon, NE of Browns Flat. 1341 Comment
  SD237352  Tetradymia canescens R. G. Swinney 2008-10-8 9543 Los Angeles San Gabriel Mtns.: Table Mountain West, north of Big Pines. 2284 Comment
  SD237365  Cryptantha echinella R. G. Swinney 2009-5-13 10782 Los Angeles Transverse Range; San Gabriel Mtns.: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Re., immediately NW of Cima Mesa, Juniper Hills. 1121 Comment
  SD237370  Cryptantha pterocarya R. G. Swinney 2009-4-28 10537 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  SD237475  Phacelia mohavensis R. G. Swinney 2008-7-24 9288 Los Angeles San Gabriel Mountains: Waterman Mountain (Waterman Mountain 7.5'Q) 2412 Comment
  SD237547  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2009-5-13 10771 Los Angeles Transverse Range: San Gabriel Mountains: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Road, immediately NW of Cima Mesa, Juniper Hills (Juniper Hills 7.5'Q) 1121 Comment
  SD237557  Linanthus parryae R. G. Swinney 2009-5-13 10761 Los Angeles Transverse Range: San Gabriel Mountains: upper Brainard Canyon c. 2 miles south of Ft. Tejon Road, immediately NW of Cima Mesa, Juniper Hills (Juniper Hills 7.5'Q) 1121 Comment
  SD237575  Calyptridium monandrum R. G. Swinney 2009-5-13 10760 Los Angeles Transverse Range: San Gabriel Mountains: Upper Brainard Canyon, c. 2 miles south of Ft. Tejon Road, immediately NW of Cima Mesa, Juniper Hills (Juniper Hills 7.5'Q) 1121 Comment
  SD237594  Potentilla glandulosa R. G. Swinney 2009-6-2 11000 Los Angeles Transverse Range: San Gabriel Mountains: East slope of Pacifico Mountain at Fountainhead Spring (Pacifico 7.5'Q). North side of E-W trending ridge. 2012 Comment
  SD237599  Galium R. G. Swinney 2009-4-28 10534 Los Angeles Transverse Range: San Gabriel Mountains: summit of Mt. Emma (Pacifico Mountain 7.5'Q) 1584 Comment
  SD237618  Diplacus bigelovii R. G. Swinney 2008-6-10 9007 Los Angeles San Gabriel Mountains: Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail (Valyermo 7.5'Q) 1584 Comment
  SD239704  Chenopodium pratericola R. G. Swinney 1998-9-4 6909 Los Angeles San Gabriel Mountains: Northwest of Wrightwood, eastern end of Jackson Flat (Mescal Creek 7.5'Q) Area burned in summer, 1997. 2287 Comment
  SD239808  Scutellaria siphocampyloides R. G. Swinney 2009-7-23 11395 Los Angeles Transverse Range; San Gabriel Mountains: Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy (Chilao Flat 7.5'Q) 1720 Comment
  SD239836  Gayophytum R. G. Swinney 2008-7-15 9228 Los Angeles San Gabriel Mountains: Winston Peak (Waterman Mountain 7.5'Q) 2281 Comment
  SD240821  Daucus pusillus R. G. Swinney 2009-4-7 10294 A 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 168 Comment
  SD240848  Chaenactis xantiana R. G. Swinney 2009-4-28 10539 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  SD240934  Boechera pulchra R. G. Swinney 2009-5-12 10718 Los Angeles Transverse Range: San Gabriel Mountains: Alimony Ridge, 0.3 mi SE of junction of Alimony Ridge and Alimony Ridge Road (Juniper Hills 7.5'Q) 1253 Comment
  SD247314  Bidens frondosa R. G. Swinney 2009-11-9 11587 A Los Angeles Transverse Range; San Gabriel Mountains: confluence of San Gabriel River and East Fork San Gabriel River, to 150 meters upstream in East Fork. 427 Comment
  SD248463  Camissonia strigulosa R. G. Swinney 2010-4-28 12379 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Canyon (at Wilson Debris Basin) to 0.5 miles east (upstream) below National Forest boundary (San Fernando 7.5'Q) 487 Comment
  SD253314  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre (Mt. Wilson 7.5'Q) 622 Comment
  SD253316  Pellaea andromedifolia R. G. Swinney 2011-3-26 14228 Los Angeles San Gabriel Mts.: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  SD253325  Scirpus microcarpus R. G. Swinney 2011-10-13 15798 Los Angeles San Gabriel Mountains; Chilao Flat, FS road crossing of Chilao stream, E of Chilao Visitors Center and W of Hwy 2 (Chilao Flat 7.5'Q) Canyon bottomoutside 2009 Station Fire burn. 1622 Comment
  SD253404  Cryptantha microstachys R. G. Swinney 2011-5-19 14763 Los Angeles San Gabriel Mts.: 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 Rd and Coldwater Canyon stream, below abandoned Milley's Apple Orchard (Chilao Flat 7.5'Q) 911 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
  SD253438  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 Highway 2. 1622 Comment
  SD253451  Lupinus benthamii R. G. Swinney 2011-5-31 14921 A Los Angeles San Gabriel Mountains: Monte Cristo Creek Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  SD253453  Lupinus latifolius subsp. latifolius R. G. Swinney 2011-6-23 15278 Los Angeles San Gabriel Mountains: Chileo Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 Comment
  SD253502  Camissoniopsis pallida R. G. Swinney 2011-4-1 14295 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon , 0.4 mile south of Californa Aqueduct, 20-200 m west of Cheseboro Road. (Palmdale 7.5'Q) 890 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
  SD253506  Cordylanthus rigidus subsp. setiger R. G. Swinney 2011-10-13 15795 Los Angeles San Gabriel Mountains: Chilao Flast, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2 (Chilao Flat 7.5'Q) 1622 Comment
  SD253509  Oxalis pes-caprae R. G. Swinney 2011-3-26 14229 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
  SD253520  Plantago lanceolata R. G. Swinney 2011-3-26 14208 Los Angeles San Gabriel Mts. San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1-0.6 mile upstream from confluence with San Dimas Canyon. 476 Comment
  SD253528  Chorizanthe watsonii R. G. Swinney 2011-6-7 15042 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 mile NNW of Angeles Crest Highway along south entrance road to Chilao Flat Campground, both side of road. 1584 Comment
  SD253530  Polygonum aviculare R. G. Swinney 2011-10-27 15902 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
  SD253538  Rhamnus ilicifolia R. G. Swinney 2011-5-19 14779 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of junction of Colby Ranch Road and FS Rd. 3N19, upper Big Tujunga Canyon, south side of Coldwater Canyon creek (Chilao Flat 7.5'Q) 1073 Comment
  SD253541  Purshia tridentata var. glandulosa R. G. Swinney 2011-4-1 14301 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile south of California Aqueduct, 20-200 m west of Cheeseboro Rd. (Palmdale 7.5'Q) 890 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
  SD255812  Erythranthe cardinalis R. G. Swinney 2010-9-9 13763 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 Lake 7.5'Q) Comment
  SD255835  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2010-10-8 14005 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge (Crystal Lake 7.5'Q) 2421 Comment
  SD260259  Phacelia distans R. G. Swinney 2010-5-19 12822 Los Angeles San Gabriel Mountains/Western Mojave Desert Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just 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
  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
  SD262215  Stephanomeria parryi R. G. Swinney 2014-4-24 16230 Los Angeles San Gabriel Mountains/Mojave Desert: SE of Valyermo, Shouemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curbe, 0.7 mile ENE of jct. of Big Rock Creek Rd. (Valyermo 7.5'Q) 1244 Comment
  SD262226  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-27 16660 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin (Glendora 7.5'Q) 445 Comment
  SD262229  Cryptantha pterocarya var. pterocarya R. G. Swinney 2014-5-7 16338 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-sough arroyo cutting through Holcomb Ridge (Valyermo 7.5'Q) 1280 Comment
  SD262281  Lupinus sparsiflorus R. G. Swinney 2014-5-27 16657 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forks of Hooik 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
  SD262313  Calyptridium monandrum R. G. Swinney 2014-5-8 16457 Los Angeles San Gabriel Mountains: near Lang, 50-100 meters SW of Soledad Cyn Rd. at a curve, Santa Clara Wash and Bee Cyn confluence (Agua Dulce 7.5'Q) 537 Comment
  SD262347  Gilia R. G. Swinney 2011-5-12 14676 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Cyn. Rd., 0.5 mi west of angeles Forest Hwy (Pacifico Mtn 7.5'Q) 1182 Comment
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Dec 7 2018
  SD262360  Eriogonum pusillum R. G. Swinney 2014-4-24 16219 Los Angeles San Gabriel Mountains: NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1 - 3.6 miles south of Hwy. 138, c.l 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash. 1256 Comment
  SEINET13203127 Image available Echium candicans R. G. Swinney 2010-1 12317 Los Angeles San Gabriel Mountains: north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream (San Fernando 7.5' Q.) (T3N R15W S23 ?) 549 Comment
  SEINET13203165 Image available Lupinus sparsiflorus R. G. Swinney 2010-1 11832 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
  SEINET13203170 Image available Lepidium virginicum R. G. Swinney 2010-1 12483 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
  SEINET13203206 Image available Juncus rugulosus R. G. Swinney 2011-1 15881 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  SEINET13203243 Image available Bromus R. G. Swinney 2011-1 15491 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  SEINET13203247 Image available Mentzelia congesta R. G. Swinney 2011-1 14521 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13203250 Image available Camissonia californica R. G. Swinney 2011-1 14515 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
  SEINET13203259 Image available Onagraceae R. G. Swinney 2011-1 14610 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
  SEINET13203272 Image available Achnatherum occidentale R. G. Swinney 2011-1 15488 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  SEINET13203285 Image available Vitis vinifera R. G. Swinney 2011-1 15462 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area (Chilao Flat 7.5' Q.) (T3N R12W S35) 1097 Comment
  SEINET13276688 Image available Arabis sparsiflora R. G. Swinney 2011-1 15248 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy (Waterman Mt. 7.5' Q.) 1780 Comment
  SEINET13276771 Image available Solanum douglasii R. G. Swinney 2011-1 14484 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
  SEINET13276774 Image available Mimulus brevipes R. G. Swinney 2011-1 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 (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13276796 Image available Keckiella ternata subsp. ternata R. G. Swinney 2011-1 15854 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
  SEINET13276801 Image available Dysphania botrys R. G. Swinney 2011-1 15886 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
  SEINET13276804 Image available Trifolium obtusiflorum R. G. Swinney 2011-1 15274 Los Angeles San Gabriel Mountains: Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S34) 1597 Comment
  SEINET13276830 Image available Rhamnaceae R. G. Swinney 2011-1 14180 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
  SEINET13276839 Image available Acer macrophyllum R. G. Swinney 2011-1 14194 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
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Oct 19 2018
  SEINET13276840 Image available Polypodium californicum R. G. Swinney 2011-1 14195 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
  SEINET13297584 Image available Cryptantha muricata var. denticulata R. G. Swinney 2011-1 14472 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET13297599 Image available Penstemon centranthifolius R. G. Swinney 2011-1 14555 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center (Mint Canyon 7.5' Q.) 488 Comment
  SEINET13297600 Image available Thysanocarpus laciniatus R. G. Swinney 2011-1 14780 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., south side of Coldwater Cyn. creek (Chilao Flat 7.5' Q.) (T3N R12W S35) 911 Comment
  SEINET13297609 Image available Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-1 15290 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5' Q.) (T3N R11W S22) 1570 Comment
  SEINET13297617 Image available Polystichum munitum R. G. Swinney 2011-1 15953 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  SEINET13383024 Image available Cryptantha muricata var. denticulata R. G. Swinney 2011-1 14886 Los Angeles Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  SEINET13383091 Image available Ricinus communis R. G. Swinney 2010-1 12320 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  SEINET13383110 Image available Filago californica R. G. Swinney 2010-1 12110 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
  SEINET13383125 Image available Phacelia cicutaria var. hispida R. G. Swinney 2010-1 12112 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway; 34.15222 -117.93056 207 Comment
  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
  SEINET13386986 Image available Melica imperfecta R. G. Swinney 2010-1 12197 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5' Q.) (T3N R14W S30) 561 Comment
  SEINET13387002 Image available Calocedrus decurrens R. G. Swinney 2011-1 15686 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
  SEINET13387021 Image available Ribes nevadense R. G. Swinney 2011-1 15707 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
  SEINET13387024 Image available Penstemon centranthifolius R. G. Swinney 2011-1 15434 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
  SEINET13387055 Image available Ceanothus leucodermis R. G. Swinney 2011-1 15228 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail (Crystal Lake 7.5' Q.) (T3N R9W) 1567 Comment
  SEINET13387119 Image available Urtica dioica subsp. holosericea R. G. Swinney 2011-1 15409 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
  SEINET13387125 Image available Galium angustifolium R. G. Swinney 2011-1 15172 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  SEINET2442074  Epilobium ciliatum R. G. Swinney 2008-9-9 9332 Los Angeles San Gabriel Mtns. Little Rock Creek, 0.2 mi. north of Little Rock Reservoir (Pacifico Mountain 7.5' Q.).; 0 960 Comment
  SEINET2445062  Senecio flaccidus var. douglasii R. G. Swinney 2009-3-16 10123 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
  SEINET2473453 Image available Avena sativa Richard G. Swinney 2009-1 10377 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills; Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  SEINET2473454 Image available Lamarckia aurea Richard G. Swinney 2009-1 10375 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills; Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  SEINET2473475 Image available Melica imperfecta Richard G. Swinney 2009-1 10158 Los Angeles San Gabriel Mtns. Foothills; far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  SEINET3245643  Acmispon maritimus R. G. Swinney 2008-1 8573 Los Angeles San Gabiel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn (Glendora 7.5') 354 Comment
  SEINET3245805  Melia azedarach R. G. Swinney 2009-1 10135 Los Angeles San Gabriel Mtns. Foothills: Azusa, mouth of San Gabriel River Canyon, between I-210 Fwy and Foothill Blvd., west side of the river channel (Azusa 7.5') 171 Comment
  SEINET3245863  Gilia splendens R. G. Swinney 2009-1 10936 Los Angeles Transverse Range; San Gabriel Mtns.: Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SEINET3245937  Eriastrum sapphirinum R. G. Swinney 2009-1 10704 Los Angeles Transverse Range; San Gabriel Mtns.: Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction (Azusa 7.5') 226 Comment
  SEINET3245958  Festuca pratensis R. G. Swinney 2009-1 10857 Los Angeles Transverse Range; San Gabriel tns: Sulphur Springs Campground, streamside from campground to 300 m downstream (Waterman Mtn. 7.5') 1585 Comment
  SEINET3245983  Galium hilendiae R. G. Swinney 2009-1 10828 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
  SEINET3245984  Trifolium monanthum R. G. Swinney 2009-1 10864 Los Angeles Transverse Range; San Gabriel Mtns.: Sulphur Springs Campground, streamside from campground to 300 m downstream. 483 Comment
  SEINET3245997  Lomatium mohavense R. G. Swinney 2009-1 10809 Los Angeles Transverse Range; San Gabriel Mtns. Foothills: Juniper Hills, upper Indian Bill Canyon, a narrow mile long canyon draining north from west end of Pleasant View Ridge. Juniper Hills. 437 Comment
  SEINET3246129  Gnaphalium luteoalbum R. G. Swinney 2009-1 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 189 Comment
  SEINET3260210 Image available Bolboschoenus maritimus R. G. Swinney 2008-4-30 8699 Los Angeles San Gabriel Mtns.; Glendora, Big Dalton Canyon Debris Basin. 341 Comment
  SEINET3271566 Image available Deschampsia danthonioides R. G. Swinney 2008-7-24 9336 Los Angeles San Gabriel Mtns.; Waterman Mountain, ski runway on east-facing slope 2390 Comment
  SEINET3282759 Image available Agrostis R. G. Swinney 2001-9-16 8159 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
  SEINET3282760 Image available Polypogon viridis R. G. Swinney 2008-5-30 8913 Los Angeles San Gabriel Mtns.; San Gabriel Canyon, 0.4 mi. above (east) of El Encanto post office, on shoulder of the old road. 268 Comment
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Apr 11 2014
  SEINET3859912  Chaenactis xantiana R. G. Swinney 2009-4-28 10512 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 mi. SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  SEINET3860005  Thysanocarpus laciniatus R. G. Swinney 2009-4-24 10491 A Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  SEINET3860019  Cryptantha oxygona R. G. Swinney 2009-4-28 10517 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  SEINET3860023  Pectocarya setosa R. G. Swinney 2009-4-24 10430 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 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
  SEINET3860285  Erodium botrys R. G. Swinney 2009-3-25 10157 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.; 0 549 Comment
  SEINET3860301  Camissonia campestris R. G. Swinney 2009-4-24 10456 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  SEINET3860458  Veronica anagallis-aquatica R. G. Swinney 2009-4-17 10388 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), ca 0.6 mi. north of Sierra Madre Ave.; 0 213 Comment
  SEINET4560562  Artemisia tridentata var. parishii R. G. Swinney 2009-1 11599 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Little Rock Creek and Carr. Canyon, N. of Mt Emma Rd. 908 Comment
  SEINET6187134 Image available Distichlis spicata R. G. Swinney 2009-1 10629 Los Angeles Transverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing (Palmdale 7,5' Q.) T5N R11W S22 951 Comment
  SEINET8044067 Image available Quercus durata var. gabrielensis R. G. Swinney 2010-1 13460 Los Angeles San Gabriel Mountains: Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1036 Comment
  SEINET8044070 Image available Dimorphotheca sinuata R. G. Swinney 2010-1 11886 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  UCD169233  Carex alma R. G. Swinney 2008-8-14 9435 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring. 1402 Comment
  UCD169569  Minuartia douglasii R. G. Swinney 1998-6-16 6977 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  UCD170124  Spergularia bocconi R. G. Swinney 2009-3-12 10102 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  UCD170164  Centrostegia thurberi R. G. Swinney 2009-5-6 10671 Los Angeles Transverse Range; San Gabriel Mtns./ Western Mojave Desert: Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. Palmdale, Juniper Hills, and Pacifico Mtn. 7.5' Quads. 963 Comment
  UCD170249  Eriogonum davidsonii R. G. Swinney 2009-5-20 10839 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  UCD170254  Eriogonum nudum var. pauciflorum R. G. Swinney 2009-6-24 11246 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain. 1988 Comment
  UCD170275  Mucronea 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
  UCD170712  Gayophytum R. G. Swinney 2008-8-13 9384 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  UCD170916  Ficus carica R. G. Swinney 2009-6-12 11142 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  UCD170960  Horkelia rydbergii R. G. Swinney 2008-10-10 9545 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCR100062  Ribes aureum var. gracillimum R. G. Swinney 1969-3-11 309 Los Angeles Los Angeles Basin; San Gabriel Valley, NE corner of Arrow Hwy and Live Oak Ave., Irwindale 130 Comment
  UCR100067  Dichelostemma capitatum R. G. Swinney 1969-5-4 409 -12 Los Angeles San Gabriel Mtns., Glendora Foothills. 0.6 mi north of Sierra Madre Ave. on N Pennsylvania Ave., Glendora 366 Comment
  UCR100069  Dendromecon rigida R. G. Swinney 1969-4-2 318 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Water Canyon Rd. south of Mulholland Hwy Comment
  UCR100071  Penstemon spectabilis R. G. Swinney 1969-4-29 393 Los Angeles San Gabriel Valley, c. 0.3 mi north of Foothill Blvd. (Hwy 66) and 1.0 mi east of San Gabriel River Channel, Azusa 189 Comment
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Feb 1 2011
  UCR107076  Eriogonum umbellatum var. minus R. G. Swinney 1995-8-28 4479 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  UCR107242  Madia elegans subsp. densifolia R. G. Swinney 1994-8-23 3223 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  UCR107256  Salix exigua R. G. Swinney 1994-8-23 3224 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  UCR141363  Lupinus andersonii R. G. Swinney 1997-8-19 5809 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
  UCR141713  Boschniakia strobilacea R. G. Swinney 1997-8-19 5830 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  UCR149339  Berberis nevinii R. G. Swinney 1998-4-13 5970 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
  UCR149350  Pseudognaphalium biolettii R. G. Swinney 1998-3-14 5902 Los Angeles San Gabriel Mtns., Potato Mountain, NW of Upland 1043 Comment
  UCR149507  Lupinus R. G. Swinney 1997-6-25 5643 Los Angeles San Gabriel Mtns., southwest of Wrightwood, Blue Ridge c. 0.5 mi. west of Guffy Camp, Forest Service Rd. 3N06, c. 5.1 miles east of Hwy 2 2518 Comment
  UCR149509  Machaeranthera canescens R. G. Swinney 1997-7-14 5679 Los Angeles San Gabriel Mtns., west of Wrightwood, Table Mtn. area, c. 100 m NW of amphitheater and Table Mtn. Campground 2207 Comment
  UCR149523  Amelanchier utahensis R. G. Swinney 1997-6-25 5652 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
  UCR149883  Camissonia boothii R. G. Swinney 1999-6-18 7328 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR149892  Senecio flaccidus var. douglasii R. G. Swinney 1999-6-18 7321 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR149897  Arabis pulchra R. G. Swinney 1999-6-18 7309 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR149899  Purshia glandulosa R. G. Swinney 1999-6-18 7318 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR149901  Carex douglasii R. G. Swinney 1999-6-18 7331 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR149905  Nama californica R. G. Swinney 1999-6-18 7341 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR149908  Lotus crassifolius R. G. Swinney 1999-6-18 7337 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR149910  Juncus macrophyllus R. G. Swinney 1999-6-18 7336 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR149926  Gilia cana R. G. Swinney 1999-6-18 7308 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 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
  UCR150454  Elymus glaucus R. G. Swinney 1999-6-21 7347 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 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
  UCR150462  Eriogonum pusillum R. G. Swinney 1999-6-21 7367 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UCR150467  Loeseliastrum matthewsii R. G. Swinney 1999-6-21 7371 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UCR150469  Gilia brecciarum R. G. Swinney 1999-6-21 7372 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UCR150471  Astragalus leucolobus R. G. Swinney 1999-6-21 7392 Los Angeles San Gabriel Mtns., Boulder Canyon, upper end near Hwy 2 1854 Comment
  UCR150542  Amelanchier utahensis R. G. Swinney 1999-6-21 7386 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  UCR150547  Elymus glaucus R. G. Swinney 1999-6-21 7388 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  UCR150549  Lotus purshianus R. G. Swinney 1999-6-21 7349 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR150554  Clematis ligusticifolia R. G. Swinney 1999-6-21 7353 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR150608  Nama californica R. G. Swinney 1999-6-21 7370 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  UCR150707  Bromus diandrus R. G. Swinney, Dave Larson 1999-5-15 7165 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150709  Muhlenbergia californica R. G. Swinney, Dave Larson 1999-5-15 7172 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150843  Lomatium mohavense R. G. Swinney 1998-4-14 5975 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCR150851  Mimulus moschatus R. G. Swinney 1999-8-16 7650 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR150855  Lupinus R. G. Swinney 1999-8-16 7662 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR150858  Cystopteris fragilis R. G. Swinney 1999-8-16 7666 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR150863  Claytonia perfoliata R. G. Swinney, Dave Larson 1999-5-15 7181 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR150874  Thysanocarpus curvipes R. G. Swinney 1998-4-14 5972 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCR159097  Vicia villosa R. G. Swinney 1992-7-3 1809 Los Angeles San Gabriel Mtns, Glendora, Little Dalton Debris Basin 366 Comment
  UCR178777  Eclipta prostrata R. G. Swinney 1989-9-16 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 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
  UCR178784  Agropyron parishii R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  UCR178786  Galium aparine R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats 473 Comment
  UCR178791  Penstemon heterophyllus subsp. australis R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Colby Fire Rd., 100 yards south of Glendora Mtn. Road. 488 Comment
  UCR178795  Lithophragma R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon 442 Comment
  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
  UCR178804  Salix lasiolepis R. G. Swinney 1989-6-24 s.n. Los Angeles San Gabriel Mtns., Little Dalton Canyon 427 Comment
  UCR178886  Castilleja martinii var. martinii 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
  UCR178891  Plagiobothrys canescens R. G. Swinney 1990-3-19 1529 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  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
  UCR178898  Sisymbrium erysimoides R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, 0.8 mi east of Glendora Mtn Road 412 Comment
  UCR178902  Dichelostemma capitatum R. G. Swinney 1969-4-22 354 Los Angeles San Gabriel Mtns., Glendora, north end of Rainbow Dr. and junction with Bender Canyon 305 Comment
  UCR178907  Mentha rotundifolia R. G. Swinney 1989-9-16 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 335 Comment
  UCR178909  Tamarix ramosissima R. G. Swinney 1989-7-31 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Debris Basin 366 Comment
  UCR178943  Juncus saximontanus R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, in Big Dalton Canyon 366 Comment
  UCR178951  Stipa coronata R. G. Swinney 1989-6-27 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 0.2 mi. east of Glendora Mtn. Road 360 Comment
  UCR178958  Bromus rubens R. G. Swinney 1969-5-4 406 Los Angeles San Gabriel Mtns., Glendora Foothills. 0.6 mi north of Sierra Madre Ave. on N Pennsylvania Ave., Glendora 366 Comment
  UCR179241  Cyperus difformis R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 366 Comment
  UCR179245  Cyperus eragrostis 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
  UCR179261  Potentilla glandulosa R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Morgan Canyon Debris Basin 366 Comment
  UCR179265  Clematis lasiantha R. G. Swinney 1989-5-8 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park in Big Dalton Canyon and its tributaries. 'Water Pipe Canyon' [=Pavil Cyn] 457 Comment
  UCR179268  Rhamnus crocea R. G. Swinney 1969-7-4 171 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon 610 Comment
  UCR179277  Epilobium canum R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, north end of Big Dalton Dam 518 Comment
  UCR179279  Mimulus aurantiacus R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mtns., in and Near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. Poopout Hill firebreak 488 Comment
  UCR179291  Juncus bufonius R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin 366 Comment
  UCR179295  Centranthus ruber R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  UCR179298  Calochortus plummerae R. G. Swinney 1969-6-12 554 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 366 Comment
  UCR179590  Bromus carinatus R. G. Swinney, Dave Larson 1996-8-7 5238 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
  UCR179612  Colutea arborescens R. G. Swinney 1991-8-3 1598 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Debris Basin 351 Comment
  UCR179619  Sisymbrium orientale R. G. Swinney 1991-1 1596 Los Angeles San Gabriel Valley, Glendora, South Hills, South Hills Motorway south of Bonnie Cove Ave. 335 Comment
  UCR179700  Cryptantha muricata R. G. Swinney, Dave Larson 1996-7-17 5129 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR179711  Camissonia strigulosa R. G. Swinney, Dave Larson 1996-7-17 5126 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
  UCR179970  Pteridium aquilinum R. G. Swinney 1996-8-7 5212 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  UCR180017  Erigeron breweri R. G. Swinney 1996-8-7 5219 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  UCR180019  Stephanomeria R. G. Swinney 1996-8-7 5222 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 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
  UCR181116  Collinsia R. G. Swinney 1997-5-13 5523 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  UCR181134  Papaver californicum R. G. Swinney 1997-5-13 5516 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  UCR181136  Mentzelia micrantha R. G. Swinney 1997-5-13 5515 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  UCR181140  Torilis arvensis R. G. Swinney 1997-5-13 5519 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  UCR181239  Arenaria macradenia R. G. Swinney 1997-6-13 5573 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 0.5 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 2073 Comment
  UCR181771  Monardella R. G. Swinney 1997-6-13 5589 Los Angeles San Gabriel Mtns, ridge NE of Table Mountain (peak 7473 ft.), c. 0.4 mi. west of San Bernardino Co. line 2195 Comment
  UCR182241  Chenopodium botrys R. G. Swinney 1997-9-6 5869 Los Angeles San Gabriel Mountains., Forest Service Rd 4N06 (up Mescal Canyon), 0.8 mi N of Big Pines Rd. 1744 Comment
  UCR182245  Koelreuteria bipinnata R. G. Swinney 1997-9-27 5878 Los Angeles San Gabriel Mountains, Live Oak Canyon, c. 1.6 mi. north of Baseline Rd., 0.8 mi. due north of Live Oak Canyon Dam 488 Comment
  UCR182248  Setaria parviflora R. G. Swinney 1997-12-31 5891 Los Angeles South Coast, Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway, about 300 m east of Irwindale Avenue 152 Comment
  UCR182253  Verbena lasiostachys R. G. Swinney 1997-12-31 5887 Los Angeles South Coast, Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway, about 300 m east of Irwindale Avenue 152 Comment
  UCR182261  Dimorphotheca sinuata R. G. Swinney, Dave Larson 1998-4-26 6026 Los Angeles San Gabriel Mtns., LaVerne, north Marshall Canyon watershed, 2.1 miles NE of Wheeler Ave. and Golden Hills junction on Sunset Ridge Rd., along dirt motorway 549 Comment
  UCR182265  Nemophila menziesii var. integrifolia R. G. Swinney, Dave Larson 1998-4-26 6034 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 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
  UCR182272  Plagiobothrys arizonicus R. G. Swinney 1998-4-14 6021 Los Angeles San Gabriel Mtns./Southern Mojave Desert, mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream 1476 Comment
  UCR182384  Lilium parryi R. G. Swinney 1997-7-22 5705 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  UCR182386  Polypogon interruptus R. G. Swinney 1998-5-9 6048 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 201 Comment
  UCR182391  Navarretia hamata R. G. Swinney 1998-5-15 6054 Los Angeles San Gabriel Mountains, San Gabriel (Azusa) Canyon, 1.5 mi. north of Foothill Blvd. on east side of Encanto Rd. 183 Comment
  UCR182490  Muhlenbergia californica R. G. Swinney 1997-7-22 5695 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
  UCR182637  Carex fracta R. G. Swinney 1997-7-23 5729 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR182639  Carex subfusca R. G. Swinney 1997-7-23 5727 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR182700  Epilobium R. G. Swinney 1997-8-6 5773 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  UCR182718  Linaria canadensis var. texana R. G. Swinney 1998-4-11 5937 Los Angeles San Gabriel Mtns, Claremont, 0.5 to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr. 793 Comment
  UCR188657  Erodium botrys R. G. Swinney 1990-3-24 1550 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  UCR188659  Clarkia purpurea R. G. Swinney 1990-4-28 1573 Los Angeles Los Angeles Basin, western section of South Hills, a ridge on the south side of the city of Glendora; east of Glendora Avenue 259 Comment
  UCR188889  Pholistoma auritum var. auritum R. G. Swinney 1990-5-3 1583 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 1.2 miles NE of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  UCR188925  Festuca microstachys R. G. Swinney 1998-5-16 6102 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  UCR189251  Eriogonum davidsonii R. G. Swinney 1998-5-16 6077 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189255  Nemophila menziesii R. G. Swinney 1998-5-16 6091 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  UCR189258  Euphorbia albomarginata R. G. Swinney 1998-5-16 6073 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189263  Eriastrum sapphirinum subsp. ambiguum R. G. Swinney 1998-5-16 6065 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189274  Claytonia parviflora R. G. Swinney 1998-5-16 6086 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  UCR189276  Claytonia parviflora R. G. Swinney 1998-5-16 6088 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
  UCR189382  Cardamine californica R. G. Swinney 1998-5-30 6178 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR189393  Bromus diandrus R. G. Swinney 1998-5-30 6158 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR189412  Clarkia purpurea R. G. Swinney 1998-5-25 6149 Los Angeles San Gabriel Valley, Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  UCR189417  Stellaria media R. G. Swinney 1998-5-30 6163 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR189660  Pectocarya penicillata R. G. Swinney 1998-5-16 6070 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR189690  Sisymbrium orientale R. G. Swinney 1998-7-30 6577 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  UCR189713  Castilleja applegatei R. G. Swinney 1998-7-10 6400 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
  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
  UCR189980  Dicentra chrysantha R. G. Swinney 1998-9-4 6913 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR190004  Dudleya saxosa R. G. Swinney, Vanessa Merritt 1998-6-12 6967 Los Angeles San Gabriel Mtns., 3 miles west of Pinon Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek 1378 Comment
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Apr 22 2010
  UCR190021  Gilia diegensis R. G. Swinney 1998-6-12 6953 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
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May 3 2012
  UCR190025  Chaenactis glabriuscula R. G. Swinney 1998-6-12 6956 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  UCR190028  Bromus tectorum R. G. Swinney 1998-6-16 6985 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR190041  Holodiscus microphyllus R. G. Swinney 1998-10-3 7002 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
  UCR190045  Heuchera elegans R. G. Swinney 1998-10-3 6995 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, tributary from N side of San Antonio Ridge 1939 Comment
  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
  UCR190079  Boykinia rotundifolia R. G. Swinney 1998-8-5 6633 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
  UCR190084  Oreonana vestita R. G. Swinney 1998-8-27 6818 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  UCR190086  Carex multicaulis R. G. Swinney 1998-8-5 6642 Los Angeles San Gabriel Mtns., Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 Comment
  UCR190091  Mimulus floribundus R. G. Swinney 1998-7-30 6583 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  UCR190095  Boykinia rotundifolia R. G. Swinney 1998-7-30 6587 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190098  Lilium humboldtii R. G. Swinney 1998-7-30 6590 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190103  Lupinus excubitus 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
  UCR190122  Hieracium argutum var. parishii R. G. Swinney 1998-8-21 6785 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  UCR190127  Chrysothamnus nauseosus R. G. Swinney 1998-8-27 6795 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UCR190129  Osmorhiza chilensis R. G. Swinney 1998-10-3 7013 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  UCR190226  Adiantum capillus-veneris R. G. Swinney 1998-7-30 6599 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190230  Agrostis viridis R. G. Swinney 1998-8-1 6607 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  UCR190244  Malacothrix clevelandii R. G. Swinney 2000-5-28 7787 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Redbox Road 2.1 mi. SW of Hwy 39 at Rincon Station 732 Comment
  UCR190246  Madia gracilis R. G. Swinney 2000-6-19 7810 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR190257  Cardamine oligosperma R. G. Swinney 2000-5-21 7780 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UCR190259  Lithophragma affine R. G. Swinney 2000-5-21 7778 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
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May 8 2012
  UCR190264  Cardamine californica R. G. Swinney 2000-5-21 7775 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UCR190266  Trifolium willdenovii R. G. Swinney 2000-5-21 7777 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  UCR190281  Verbena lasiostachys R. G. Swinney 1998-8-1 6616 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
  UCR190285  Phacelia cicutaria var. hispida R. G. Swinney 1998-8-1 6622 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
  UCR190288  Phacelia longipes R. G. Swinney 1998-8-1 6625 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  UCR190344  Nama demissa R. G. Swinney 2001-4-18 7919 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR190346  Caulanthus lasiophyllus R. G. Swinney 2001-4-18 7898 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR190352  Phacelia lemmonii R. G. Swinney 2001-6-2 7956 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills, junction of Tumbleweed Rd. and Long View Rd. (131st St. East) in ravine west of Long View 1213 Comment
  UCR190366  Viola purpurea subsp. mohavensis R. G. Swinney 2001-6-16 7971 Los Angeles San Gabriel Mtns., Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons 1951 Comment
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May 9 2012
  UCR190373  Stipa R. G. Swinney, Cody Clarke 2001-6-20 8006 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR190381  Eriastrum R. G. Swinney 2001-6-2 7964 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, plateau on east side of Cruthers Creek, 1.3 mi. south of Devils Punchbowl Rd. 1402 Comment
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May 3 2012
  UCR190388  Nemophila menziesii R. G. Swinney 2001-4-18 7878 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR190396  Eriophyllum wallacei R. G. Swinney 2001-4-18 7883 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 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
  UCR190415  Claytonia parviflora R. G. Swinney 2000-5-20 7698 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 39 905 Comment
  UCR190418  Pectocarya penicillata R. G. Swinney 2001-4-18 7890 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge 1223 Comment
  UCR190431  Gilia angelensis R. G. Swinney 2000-5-19 7685 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
  UCR190435  Claytonia parviflora R. G. Swinney 2000-5-6 7672 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 Comment
  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
  UCR190538  Thysanocarpus laciniatus R. G. Swinney 2000-6-19 7823 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  UCR190613  Datisca glomerata R. G. Swinney 2000-6-25 7797 Los Angeles San Gabriel Mtns., west tributary of San Antonio Canyon, between Evey and Spruce canyons 939 Comment
  UCR190720  Krascheninnikovia lanata R. G. Swinney 2001-4-18 7927 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, east end of Holcomb Ridge at Bobs Gap 1280 Comment
  UCR190734  Juncus macrophyllus R. G. Swinney 2001-6-2 7962 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  UCR190736  Camissonia boothii R. G. Swinney 2001-5-17 7949 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, south end of Bobs Gap, west-facing slope at junction of Panorama and Bobs Gap roads 1244 Comment
  UCR190740  Eriogonum davidsonii R. G. Swinney 2001-5-18 7931 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  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
  UCR190790  Conyza floribunda R. G. Swinney 2001-4-17 7872 Los Angeles San Gabriel Mtns., Glendora, Morgan Canyon debris basin 351 Comment
  UCR190814  Allium R. G. Swinney 1999-7-5 7516 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
  UCR190816  Arabis R. G. Swinney 1999-7-5 7506 Los Angeles San Gabriel Mtns., head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2323 Comment
  UCR190860  Carex alma R. G. Swinney 1999-7-28 7600 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, just south of confluence of Clark Gulch 963 Comment
  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
  UCR190912  Eriophyllum confertiflorum R. G. Swinney 1998-7-2 6244 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR190917  Chenopodium fremontii R. G. Swinney 1998-7-10 6364 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  UCR190937  Elymus stebbinsii R. G. Swinney 1999-7-14 7557 Los Angeles San Gabriel Mtns., Allison Gulch, at confluence with East Fork San Gabriel River Canyon 732 Comment
  UCR190939  Pedicularis semibarbata R. G. Swinney, Cody Clarke 2001-6-20 7998 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR191158  Gilia leptantha subsp. transversa R. G. Swinney 1999-6-28 7456 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
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May 3 2012
  UCR191163  Ranunculus cymbalaria R. G. Swinney 1999-7-5 7513 Los Angeles San Gabriel Mtns., head of Cedar Canyon, stream bottom NW of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2012 Comment
  UCR191176  Claytonia perfoliata R. G. Swinney, Dave Larson 1999-7-21 7564 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE of Browns Flat 1463 Comment
  UCR191187  Senecio flaccidus var. douglasii R. G. Swinney 1999-7-28 7586 Los Angeles San Gabriel Mtns., Iron Fork, a western tributary of East Fork San Gabriel River Canyon, c. 200 m above confluence 951 Comment
  UCR191189  Lobelia dunnii R. G. Swinney 1999-7-28 7591 Los Angeles San Gabriel Mtns., Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon 1098 Comment
  UCR191193  Aquilegia formosa R. G. Swinney 1999-7-28 7593 Los Angeles San Gabriel Mtns., Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon 1098 Comment
  UCR191253  Adiantum capillus-veneris R. G. Swinney 1999-7-28 7574 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch 732 Comment
  UCR191261  Senecio ionophyllus R. G. Swinney 1998-7-2 6218 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191265  Descurainia pinnata R. G. Swinney 1998-7-2 6204 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191268  Astragalus bicristatus R. G. Swinney 1998-7-2 6208 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191272  Calochortus kennedyi R. G. Swinney 2001-6-16 7982 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR191277  Eleocharis parishii R. G. Swinney 1999-6-30 7472 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
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May 10 2012
  UCR191279  Juncus macrophyllus R. G. Swinney 1999-6-30 7479 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  UCR191284  Elymus glaucus R. G. Swinney 1999-6-30 7480 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  UCR191295  Tauschia parishii R. G. Swinney 1998-7-2 6253 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR191298  Lepidium fremontii R. G. Swinney 1998-7-6 6273 Los Angeles San Gabriel Mtns., Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1646 Comment
  UCR191304  Viola pinetorum R. G. Swinney 1998-7-2 6260 Los Angeles San Gabriel Mtns., NE of Table Mountain, Wrightwood area, 0.6 mi. NE of junction of roads 4N21B, 4N21A, and 4N21 2134 Comment
  UCR191514  Stipa R. G. Swinney 1998-7-8 6313 B Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR191516  Cryptantha R. G. Swinney 1998-7-8 6314 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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Dec 6 2018
  UCR191534  Tauschia parishii R. G. Swinney 1998-7-8 6308 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR191536  Gilia modocensis R. G. Swinney 1998-7-8 6310 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
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May 3 2012
  UCR192661  Carex aurea R. G. Swinney 1999-8-14 7634 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
  UCR192822  Lewisia rediviva R. G. Swinney 1998-7-6 6295 Los Angeles San Gabriel Mtns., Grassy Hollow, east of Jackson Flats, on ridge c. 200 m north of entrance to Grassy Hollow Campground 2195 Comment
  UCR192827  Mentzelia R. G. Swinney 1998-7-8 6300 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR192829  Fraxinus dipetala R. G. Swinney 1998-8-10 6727 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  UCR192842  Mimulus cardinalis R. G. Swinney 1998-8-6 6707 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR192847  Caulanthus amplexicaulis R. G. Swinney 1998-7-6 6289 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  UCR192849  Carex multicaulis R. G. Swinney 1998-7-6 6292 Los Angeles San Gabriel Mtns., Mescal Canyon, 1.1 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1720 Comment
  UCR192854  Juncus duranii R. G. Swinney 1998-7-14 6420 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
  UCR192856  Lilium parryi R. G. Swinney 1998-7-14 6423 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
  UCR192862  Aquilegia formosa R. G. Swinney 1998-7-14 6429 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
  UCR192867  Stachys albens R. G. Swinney 1998-8-6 6701 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR192871  Vitis girdiana R. G. Swinney 1998-8-10 6725 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  UCR192875  Mentzelia micrantha R. G. Swinney 1998-8-6 6721 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, c. 0.25 mi. above confluence of Falls Gulch on west side of river 1012 Comment
  UCR192878  Cryptantha R. G. Swinney 1998-7-8 6330 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR192883  Lotus nevadensis R. G. Swinney 1998-7-8 6344 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR192892  Epilobium R. G. Swinney 1999-8-16 7653 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR192897  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
  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
  UCR193147  Muhlenbergia californica R. G. Swinney 1998-8-10 6729 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 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
  UCR193167  Platanthera R. G. Swinney 1999-8-14 7622 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
  UCR193169  Sisyrinchium idahoense R. G. Swinney 1999-8-14 7630 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
  UCR193171  Carex alma R. G. Swinney 1999-8-14 7618 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 1.3 air mi. ESE of Upper Fish Fork Campground 2268 Comment
  UCR193418  Cryptantha similis R. G. Swinney 1999-6-18 7286 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR193435  Oenothera californica R. G. Swinney 1999-6-5 7266 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
  UCR193480  Senna artemisioides R. G. Swinney 1999-4-8 7073 Los Angeles San Gabriel Mtns., Claremont, Cobal Canyon c. 0.5 mi. NE of confluence with Burbank Canyon 549 Comment
  UCR193531  Melica stricta R. G. Swinney 1999-6-18 7296 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR193538  Gilia modocensis R. G. Swinney 1999-6-28 7427 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193670  Saltugilia splendens subsp. grantii R. G. Swinney 1999-6-28 7422 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR193714  Stipa coronata R. G. Swinney, Dave Larson 1999-5-29 7220 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  UCR193716  Sisymbrium altissimum R. G. Swinney 1999-6-18 7293 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  UCR193720  Camissonia pallida R. G. Swinney 1999-4-5 7066 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
  UCR194003  Hieracium argutum var. parishii R. G. Swinney 1998-8-17 6766 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  UCR194022  Gilia leptantha subsp. transversa R. G. Swinney 1999-6-5 7257 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
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May 3 2012
  UCR194027  Verbena lasiostachys R. G. Swinney 1998-8-17 6774 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  UCR194029  Gilia modocensis R. G. Swinney 1999-5-22 7208 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
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May 3 2012
  UCR194042  Phacelia fremontii R. G. Swinney 1999-6-5 7241 A Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR194047  Gilia modocensis R. G. Swinney 1999-5-22 7189 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
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May 3 2012
  UCR194049  Erigeron breweri R. G. Swinney 1998-8-17 6775 Los Angeles San Gabriel Mtns., Gold Dollar Mine Trail, 0.2 mi. NE of upper Coldwater Canyon 1488 Comment
  UCR194054  Aralia californica R. G. Swinney 1998-8-21 6784 Los Angeles San Gabriel Mtns., Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle 1152 Comment
  UCR194062  Arctostaphylos glauca R. G. Swinney 1999-6-5 7247 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR194067  Lotus oblongifolius R. G. Swinney 1999-5-22 7200 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.25 mi. south of Camp Jubilee Rd. 1610 Comment
  UCR194069  Lepidium fremontii R. G. Swinney 1999-5-22 7201 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.25 mi. south of Camp Jubilee Rd. 1610 Comment
  UCR194075  Adiantum jordanii R. G. Swinney, Dave Larson 1999-5-29 7237 Los Angeles San Gabriel Mtns., lower East Fork San Dimas Canyon 598 Comment
  UCR194165  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
  UCR194172  Helenium bigelovii R. G. Swinney 1998-7-24 6559 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
  UCR194179  Sisyrinchium idahoense R. G. Swinney 1998-7-24 6555 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  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
  UCR194186  Lupinus latifolius R. G. Swinney 1998-7-29 6531 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  UCR194255  Caulanthus lasiophyllus R. G. Swinney 1998-8-5 6661 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  UCR194263  Sonchus oleraceus R. G. Swinney 1998-8-6 6671 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR194274  Claytonia perfoliata R. G. Swinney 1999-4-9 7084 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  UCR194282  Piperia R. G. Swinney 1998-8-5 6640 Los Angeles San Gabriel Mtns., Prairie Fork, c. 300 m west (downstream) of Cabin Flats Campground 1598 Comment
  UCR194287  Parnassia cirrata R. G. Swinney 1998-10-3 6994 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, tributary from N side of San Antonio Ridge 1939 Comment
  UCR194289  Stipa parishii R. G. Swinney 1998-8-31 6876 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  UCR194293  Dudleya cymosa R. G. Swinney, Dave Larson 1999-6-25 7403 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  UCR194302  Boykinia rotundifolia R. G. Swinney 1998-8-5 6667 Los Angeles San Gabriel Mtns., Fish Fork of San Gabriel River, c. 200 m east of confluence with East Fork 1037 Comment
  UCR194307  Hieracium argutum var. parishii R. G. Swinney 1998-8-6 6675 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR194309  Lilium humboldtii subsp. ocellatum R. G. Swinney 1998-8-6 6677 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR194355  Erigeron foliosus R. G. Swinney 1998-9-4 6918 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  UCR194358  Lobelia dunnii var. serrata R. G. Swinney 1998-8-30 6859 Los Angeles San Gabriel Mtns., south fork of Dry Lake Canyon, a western tributary of San Antonio Canyon 994 Comment
  UCR194614  Chrysothamnus nauseosus R. G. Swinney 1998-8-13 6753 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR194616  Brickellia californica R. G. Swinney 1998-8-13 6754 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR194620  Erigeron foliosus R. G. Swinney 1998-8-13 6750 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR202445  Eriogonum R. G. Swinney 2005-8-15 8485 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 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
  UCR202687  Eriogonum wrightii var. subscaposum R. G. Swinney 2001-8-9 8029 Los Angeles San Gabriel Mtns., Pleasant View Ridge c. 0.9 mi. NW of Mt. Williamson 2488 Comment
  UCR202689  Arctostaphylos patula R. G. Swinney 2001-8-9 8027 Los Angeles San Gabriel Mtns., Pleasant View Ridge between Pallet Peak and Mt. Williamson, highest point on ridge top on N-S spur c. 1 mile east of Pallet Pk., overlooking Devils Punch Bowl to the north, 1.9 mi. SSE of McFarland Ranch 2439 Comment
  UCR202693  Ribes nevadense R. G. Swinney 2001-8-11 8043 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCR202701  Epilobium glaberrimum R. G. Swinney 2001-8-11 8035 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCR202705  Galium angustifolium R. G. Swinney 2001-8-18 8069 Los Angeles San Gabriel Mtns., Ross Mtn., 0.75 miles south of Mt. Baden Powell on the trail to Ross Mtn. 2561 Comment
  UCR202708  Arctostaphylos patula R. G. Swinney 2001-8-18 8050 Los Angeles San Gabriel Mtns., Mt. Baden-Powell 2866 Comment
  UCR202710  Ribes cereum R. G. Swinney 2001-8-18 8051 Los Angeles San Gabriel Mtns., Mt. Baden-Powell 2866 Comment
  UCR202724  Epilobium glaberrimum R. G. Swinney, Cody Clarke 2001-8-22 8080 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  UCR202726  Dodecatheon redolens R. G. Swinney, Cody Clarke 2001-8-22 8078 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
  UCR202730  Phacelia mohavensis R. G. Swinney, Cody Clarke 2001-8-22 8085 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
  UCR202744  Ribes cereum R. G. Swinney 2001-8-27 8095 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  UCR202746  Lupinus andersonii R. G. Swinney 2001-8-27 8098 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  UCR202927  Rhamnus californica subsp. tomentella R. G. Swinney 2001-8-18 8067 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  UCR202929  Stephanomeria virgata R. G. Swinney 2001-8-18 8064 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 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
  UCR203105  Penstemon caesius R. G. Swinney 2001-8-27 8104 Los Angeles San Gabriel Mountains, Mt. Burnham, west of Mt. Baden-Powell 2743 Comment
  UCR203108  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-27 8102 Los Angeles San Gabriel Mountains, Mt. Burnham, west of Mt. Baden-Powell 2743 Comment
  UCR203110  Potentilla glandulosa R. G. Swinney 2001-8-27 8107 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
  UCR203181  Lupinus bicolor R. G. Swinney 2005-5-21 8267 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 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
  UCR203188  Mimulus pilosus R. G. Swinney 2005-5-21 8263 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR203194  Arabis pulchra R. G. Swinney 2005-5-21 8260 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
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Jul 7 2020
  UCR203196  Gilia leptantha subsp. transversa R. G. Swinney 2005-5-21 8253 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  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
  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
  UCR203229  Distichlis spicata R. G. Swinney 2005-7-21 8318 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
  UCR203242  Stachys albens R. G. Swinney 2005-7-11 8303 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
  UCR203247  Elymus glaucus R. G. Swinney 2001-8-27 8116 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UCR203249  Agrostis R. G. Swinney 2001-8-27 8118 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UCR203254  Platanthera R. G. Swinney 2001-8-27 8124 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UCR203256  Mimulus moschatus R. G. Swinney 2001-8-27 8126 Los Angeles San Gabriel Mountains, Windy Spring, 0.3 mi northwest of Little Jimmy Campground 2256 Comment
  UCR204008  Castilleja miniata R. G. Swinney 2001-9-15 8128 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  UCR204024  Alnus rhombifolia R. G. Swinney 2001-9-15 8148 Los Angeles San Gabriel Mountains, Windy Spring, c. 0.3 mi northwest of Little Jimmy Campground on Pacific Crest Trail 2256 Comment
  UCR204026  Oxytheca parishii R. G. Swinney 2001-9-15 8150 Los Angeles San Gabriel Mountains, Mt Islip 2515 Comment
  UCR204030  Erigeron foliosus R. G. Swinney 2001-9-15 8154 Los Angeles San Gabriel Mountains, Mt Islip 2515 Comment
  UCR204044  Allium fimbriatum R. G. Swinney 2005-5-14 8238 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  UCR204046  Gilia cana R. G. Swinney 2005-5-14 8240 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  UCR204052  Juncus textilis R. G. Swinney 2005-5-21 8273 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  UCR204057  Mimulus pilosus R. G. Swinney 2005-7-8 8279 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  UCR204284  Epilobium glaberrimum R. G. Swinney 2001-9-16 8170 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
  UCR204414  Agrostis R. G. Swinney 2001-9-15 8174 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204416  Luzula comosa R. G. Swinney 2001-9-15 8176 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204420  Epilobium glaberrimum R. G. Swinney 2001-9-15 8180 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  UCR204434  Geranium carolinianum R. G. Swinney 2003-5-12 8200 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  UCR204436  Dodecatheon clevelandii R. G. Swinney 2003-5-12 8202 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  UCR204440  Gilia capitata R. G. Swinney 2005-4-9 8209 Los Angeles San Gabriel Mtns., San Dimas, Sycamore Canyon 518 Comment
  UCR204560  Juncus R. G. Swinney 2005-8-5 8377 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
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Mar 21 2019
  UCR204811  Pinus jeffreyi R. G. Swinney 2005-8-22 8523 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, fork of Devils Punchbowl Canyon 1220 Comment
  UCR204815  Camissonia R. G. Swinney 2005-8-22 8519 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  UCR204818  Lactuca serriola R. G. Swinney 2005-8-22 8516 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  UCR204831  Lotus heermannii R. G. Swinney 2005-8-11 8465 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204835  Galium R. G. Swinney 2005-8-11 8461 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204838  Malacothamnus fremontii R. G. Swinney 2005-8-11 8458 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR204880  Taraxacum officinale R. G. Swinney 2005-8-9 8407 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR205046  Vicia villosa R. G. Swinney 2008-3-26 8579 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205052  Claytonia perfoliata R. G. Swinney 2008-3-31 8586 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  UCR205059  Salix exigua R. G. Swinney 2008-4-4 8605 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
  UCR205066  Lepidium virginicum var. pubescens R. G. Swinney 2008-4-4 8612 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
  UCR205073  Chorizanthe procumbens R. G. Swinney 2008-4-7 8618 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  UCR205081  Eschscholzia californica R. G. Swinney 2008-4-10 8628 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR205085  Parietaria hespera R. G. Swinney 2008-4-10 8633 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR205088  Thysanocarpus laciniatus R. G. Swinney 2008-4-10 8641 A Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, confluence of Lodi Canyon with San Dimas Canyon, just south of San Dimas Reservoir 402 Comment
  UCR205094  Nemophila menziesii R. G. Swinney 2008-4-11 8650 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 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
  UCR205102  Ceanothus crassifolius R. G. Swinney 2008-4-11 8664 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR205107  Ribes aureum var. gracillimum R. G. Swinney 2008-4-16 8669 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon 341 Comment
  UCR205109  Stellaria media R. G. Swinney 2008-4-16 8671 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon 341 Comment
  UCR205123  Bromus hordeaceus R. G. Swinney 2008-4-17 8685 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR205174  Castilleja applegatei R. G. Swinney 2008-4-11 8646 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR205176  Eucrypta chrysanthemifolia R. G. Swinney 2008-4-10 8636 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCR205182  Lupinus longifolius R. G. Swinney 2008-4-30 8714 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR205187  Chaenactis glabriuscula R. G. Swinney 2008-4-30 8710 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR205189  Cryptantha decipiens R. G. Swinney 2008-5-2 8730 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR205193  Eschscholzia californica R. G. Swinney 2008-4-30 8713 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR205204  Equisetum hyemale subsp. affine R. G. Swinney 2008-4-30 8701 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  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
  UCR205221  Arctostaphylos patula R. G. Swinney 2005-8-26 8531 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  UCR205225  Mimulus bigelovii R. G. Swinney 2008-5-2 8723 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR205228  Phacelia longipes R. G. Swinney 2008-5-2 8721 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR205241  Galium angustifolium R. G. Swinney 2005-8-11 8446 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR205245  Eriastrum R. G. Swinney 2005-8-15 8473 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, near headquarters 1463 Comment
  UCR205248  Juncus balticus R. G. Swinney 2005-8-11 8470 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR205253  Polygonum lapathifolium R. G. Swinney 2008-3-26 8571 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR205261  Aquilegia formosa R. G. Swinney 2005-8-17 8504 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
  UCR205268  Juglans californica R. G. Swinney 2008-4-9 8621 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UCR205272  Mimulus aurantiacus var. pubescens R. G. Swinney 2005-8-17 8495 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 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
  UCR205560  Filago gallica R. G. Swinney 2008-5-30 8885 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR205590  Phacelia longipes R. G. Swinney 2008-5-13 8869 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, South Fork Trail 0.7 mi. east of Holcomb Canyon 1512 Comment
  UCR205612  Phacelia fremontii R. G. Swinney 2008-5-12 8844 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
  UCR205617  Phacelia distans R. G. Swinney 2008-5-12 8839 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
  UCR205619  Agoseris retrorsa R. G. Swinney 2008-5-12 8843 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
  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
  UCR205838  Pellaea mucronata R. G. Swinney 2008-6-9 8972 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 1.2 mi. SSW of Valyermo post office 1171 Comment
  UCR206119  Nemacladus sigmoideus R. G. Swinney 2008-6-4 8927 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  UCR206137  Epipactis gigantea R. G. Swinney 2008-5-30 8908 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
  UCR206139  Juncus xiphioides R. G. Swinney 2008-5-30 8909 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR206150  Mimulus rubellus R. G. Swinney 2008-6-4 8925 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  UCR206260  Cercocarpus ledifolius R. G. Swinney 2008-6-10 8989 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  UCR206421  Eriodictyon trichocalyx R. G. Swinney 2008-6-4 8945 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  UCR206425  Gilia modocensis R. G. Swinney 2008-6-4 8936 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  UCR206428  Mentzelia laevicaulis R. G. Swinney 2008-6-10 8994 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  UCR206441  Gilia modocensis R. G. Swinney 2008-6-10 9001 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
  UCR206445  Gayophytum R. G. Swinney 2008-6-10 9008 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
  UCR206448  Lycium cooperi R. G. Swinney 2008-6-9 8965 Los Angeles San Gabriel Mtns., lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR206453  Juncus balticus 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
  UCR209114  Prunus virginiana R. G. Swinney 2008-6-18 9074 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
  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
  UCR209134  Juncus xiphioides R. G. Swinney 2008-6-24 9084 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209136  Tamarix ramosissima R. G. Swinney 2008-6-24 9090 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR209140  Arceuthobium campylopodum R. G. Swinney 2008-6-17 9049 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
  UCR209212  Centrostegia thurberi R. G. Swinney 1998-4-14 5986 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
  UCR209217  Elymus elymoides R. G. Swinney 2008-6-17 9060 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCR209219  Mimulus aurantiacus var. pubescens R. G. Swinney 2008-6-18 9064 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  UCR209232  Lupinus excubitus subsp. austromontanus R. G. Swinney 2008-6-17 9056 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCR209237  Galium johnstonii R. G. Swinney 2008-6-18 9068 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  UCR209239  Viola purpurea R. G. Swinney 2008-6-17 9058 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
  UCR209250  Eriogonum R. G. Swinney 2008-10-8 9534 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR209423  Boykinia rotundifolia R. G. Swinney 2008-9-13 9452 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UCR209443  Rhamnus californica R. G. Swinney 1969-4-22 352 Los Angeles San Gabriel Mtns., Glendora, foothills 0.5 mi. north of Sierra Madre Ave., above north end of Rainbow Dr. 354 Comment
  UCR209451  Ericameria nauseosa subsp. consimilis R. G. Swinney 2008-10-10 9554 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209458  Equisetum laevigatum R. G. Swinney 2008-10-10 9556 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209463  Datisca glomerata R. G. Swinney 2008-10-10 9565 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209476  Tagetes palmeri R. G. Swinney 2008-6-24 9098 Los Angeles San Gabriel Mountains, mouth of Roberts Canyon, c. 100 m north of San Gabriel Canyon 213 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
  UCR209487  Senecio ionophyllus R. G. Swinney 2008-6-17 9019 Los Angeles San Gabriel Mountains, 1.2 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1902 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
  UCR209493  Descurainia pinnata R. G. Swinney 2008-6-17 9045 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
  UCR209502  Gayophytum R. G. Swinney 2008-6-17 9021 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UCR209507  Eriastrum sapphirinum R. G. Swinney 1969-6-13 602 Los Angeles San Gabriel Mtns., Glendora, foothills 0.6 mi. north of Sierra Madre Ave., 150 meters west of Easley Cyn. Rd. 381 Comment
  UCR209509  Antirrhinum kelloggii R. G. Swinney 1969-4-26 371 Los Angeles San Gabriel Mtns., Glendora, 250 m SW of Harrow Canyon debris basin 381 Comment
  UCR209604  Lotus oblongifolius R. G. Swinney 2008-7-2 9140 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  UCR209606  Carex R. G. Swinney 2008-7-2 9144 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
Read comments
Sep 12 2018
  UCR209621  Penstemon grinnellii R. G. Swinney 2008-7-3 9153 A Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UCR209625  Hypochaeris glabra R. G. Swinney 2008-12-2 9910 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  UCR209628  Stephanomeria virgata R. G. Swinney 2008-10-10 9550 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR209641  Ribes nevadense R. G. Swinney 2008-7-2 9130 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  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
  UCR209648  Ribes nevadense R. G. Swinney 2008-7-2 9113 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  UCR209653  Quercus chrysolepis R. G. Swinney 2008-7-2 9111 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 [at Reed Spring] 1878 Comment
  UCR209847  Bromus tectorum R. G. Swinney 2008-7-15 9220 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209849  Helenium bigelovii R. G. Swinney 2008-7-16 9264 Los Angeles San Gabriel Mtns., Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1817 Comment
  UCR209856  Pedicularis semibarbata R. G. Swinney 2008-7-15 9207 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209862  Linanthus breviculus R. G. Swinney 2008-7-15 9195 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209871  Penstemon rostriflorus R. G. Swinney 2008-7-16 9248 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 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
  UCR209883  Eriogonum saxatile R. G. Swinney 2008-7-16 9259 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  UCR209892  Ceanothus cordulatus R. G. Swinney 2008-7-24 9269 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209905  Ericameria parryi R. G. Swinney 2008-7-24 9272 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209910  Calyptridium R. G. Swinney 2008-7-24 9286 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209926  Lupinus excubitus subsp. austromontanus R. G. Swinney 2008-7-15 9204 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209930  Asclepias eriocarpa R. G. Swinney 2008-7-15 9202 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209944  Eriophyllum confertiflorum R. G. Swinney 2008-7-15 9206 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209946  Conyza canadensis R. G. Swinney 2008-10-16 9594 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UCR209952  Cryptantha echinella R. G. Swinney 2008-7-15 9226 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  UCR209957  Polygonum lapathifolium R. G. Swinney 2008-9-9 9327 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR209959  Agrostis exarata R. G. Swinney 2008-7-15 9237 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  UCR209964  Luzula comosa var. laxa R. G. Swinney 2008-7-15 9235 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 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
  UCR209973  Lilium parryi R. G. Swinney 2008-7-25 9316 Los Angeles San Gabriel Mtns., Devils Canyon, 0.3 mi. NE of Twin Peaks Saddle, 0.7 air mi. south of Waterman Mtn. 2037 Comment
  UCR209981  Mimulus pilosus R. G. Swinney 2008-7-24 9293 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR209988  Ribes velutinum R. G. Swinney 2008-7-16 9246 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
  UCR209996  Myriophyllum sibiricum R. G. Swinney 2008-10-16 9607 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UCR210014  Asclepias fascicularis R. G. Swinney 2008-10-7 9469 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UCR210016  Cotula australis R. G. Swinney 2008-12-2 9912 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  UCR210020  Leptochloa uninervia R. G. Swinney 2008-12-2 9901 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  UCR210090  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-8-13 9401 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  UCR210113  Carex praegracilis R. G. Swinney 2008-10-16 9623 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
Read comments
May 10 2012
  UCR210133  Potentilla glandulosa R. G. Swinney 2008-8-13 9390 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  UCR210215  Sonchus oleraceus R. G. Swinney 2008-10-22 9668 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
  UCR210218  Carex alma R. G. Swinney 2008-8-14 9435 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR210231  Eriogonum elongatum R. G. Swinney 2008-10-22 9674 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  UCR210235  Tribulus terrestris R. G. Swinney 2008-10-20 9659 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210238  Mimulus cardinalis R. G. Swinney 2008-10-20 9660 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR210335  Artemisia douglasiana R. G. Swinney 2008-11-29 9858 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR210338  Polygonum aviculare R. G. Swinney 2008-10-16 9601 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UCR210405  Amaranthus blitoides R. G. Swinney 2008-12-6 9963 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  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
  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
  UCR210446  Mirabilis jalapa R. G. Swinney 2008-12-2 9929 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR210452  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
  UCR210457  Picris echioides R. G. Swinney 2008-11-29 9855 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR210459  Ricinus communis R. G. Swinney 2008-11-29 9854 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR210481  Melilotus albus R. G. Swinney 2008-12-2 9925 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR210485  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
  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
  UCR210494  Cuscuta subinclusa R. G. Swinney 2008-11-30 9861 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  UCR210501  Cleistocactus R. G. Swinney 2008-12-6 9961 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  UCR210505  Cyperus eragrostis R. G. Swinney 2008-11-30 9870 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UCR210510  Aster subulatus R. G. Swinney 2008-11-1 9755 Los Angeles San Gabriel Mtns., Big Dalton Canyon Debris Basin, Glendora 341 Comment
  UCR210524  Setaria parviflora R. G. Swinney 2008-11-29 9847 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR210526  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2008-12-6 9957 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  UCR210530  Eclipta prostrata R. G. Swinney 2008-12-4 9946 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  UCR215973  Vicia sativa R. G. Swinney 2005-4-30 8229 Los Angeles San Gabriel Mountains, Glendora, 'Morgan Canyon Plateau' adjacent to and east of Morgan Canyon 418 Comment
  UCR216870  Salix exigua R. G. Swinney 2009-3-13 10106 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
  UCR216900  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
  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
  UCR216915  Gnaphalium stramineum R. G. Swinney 2009-3-16 10121 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
  UCR216918  Ceanothus leucodermis R. G. Swinney 2009-3-16 10118 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
  UCR217132  Stylocline gnaphaloides R. G. Swinney 2009-3-6 10052 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  UCR217314  Quercus durata var. gabrielensis R. G. Swinney 2009-2-26 10040 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR217316  Ricinus communis R. G. Swinney 2009-3-10 10081 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR217421  Picris echioides R. G. Swinney 2009-3-10 10065 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR217425  Pectocarya linearis R. G. Swinney 2009-2-20 10017 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR217428  Spergularia bocconi R. G. Swinney 2009-3-10 10082 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR219414  Encelia farinosa R. G. Swinney 2009-3-26 10166 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  UCR219416  Eschscholzia californica R. G. Swinney 2009-3-31 10227 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 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
  UCR219434  Epilobium ciliatum R. G. Swinney 2009-3-28 10184 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR219436  Alnus rhombifolia R. G. Swinney 2009-3-28 10181 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  UCR219460  Hedypnois cretica R. G. Swinney 2009-3-26 10163 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  UCR219560  Prunus ilicifolia R. G. Swinney 2009-3-28 10209 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
  UCR219818  Amsinckia tessellata R. G. Swinney 2009-4-24 10432 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR219933  Avena sativa R. G. Swinney 2009-4-16 10377 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCR220180  Salix lasiolepis R. G. Swinney, Jane Strong 2009-4-7 10307 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  UCR220213  Schismus barbatus R. G. Swinney 2009-4-24 10473 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  UCR220233  Koelreuteria bipinnata R. G. Swinney 2009-4-13 10321 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
  UCR220370  Claytonia perfoliata R. G. Swinney 2009-4-16 10364 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
  UCR221905  Cryptantha circumscissa R. G. Swinney 2009-4-28 10522 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR221910  Erodium cicutarium R. G. Swinney 2009-4-28 10531 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR222735  Salvia dorrii var. pilosa R. G. Swinney 2009-5-12 10714 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  UCR222780  Layia glandulosa R. G. Swinney 2009-4-28 10554 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 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
  UCR222811  Tetradymia axillaris var. longispina R. G. Swinney 2009-4-29 10587 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
  UCR222818  Cryptantha nevadensis var. rigida R. G. Swinney 2009-4-29 10579 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
  UCR222835  Nemacladus sigmoideus R. G. Swinney 2009-4-29 10596 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
  UCR223012  Distichlis spicata R. G. Swinney 2009-5-5 10629 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223017  Astragalus didymocarpus var. dispermus R. G. Swinney 2009-5-5 10623 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223019  Malacothrix coulteri R. G. Swinney 2009-5-5 10625 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223032  Emmenanthe penduliflora R. G. Swinney 2009-5-6 10669 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
  UCR223100  Gilia brecciarum subsp. brecciarum R. G. Swinney 2009-5-12 10739 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR223115  Galium johnstonii R. G. Swinney 2009-5-20 10801 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR223131  Holodiscus microphyllus var. microphyllus R. G. Swinney 2009-7-22 11348 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223138  Artemisia ludoviciana R. G. Swinney 2009-7-22 11355 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR223180  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-7-22 11312 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  UCR223213  Thalictrum fendleri var. fendleri R. G. Swinney 2009-5-27 10891 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR223233  Stipa speciosa R. G. Swinney 2009-5-20 10830 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCR223313  Claytonia parviflora R. G. Swinney 2009-4-28 10542 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR223370  Phacelia distans R. G. Swinney 2009-5-20 10819 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
  UCR223403  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-23 11400 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223442  Claytonia perfoliata R. G. Swinney 2009-6-3 11058 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR223447  Orobanche californica R. G. Swinney 2009-6-3 11041 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
  UCR223449  Madia minima R. G. Swinney 2009-6-3 11039 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
  UCR223454  Ceanothus vestitus R. G. Swinney 2009-6-8 11101 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
  UCR223456  Leptosiphon breviculus R. G. Swinney 2009-6-8 11099 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
  UCR223462  Rhamnus californica R. G. Swinney 2009-6-8 11093 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
  UCR223467  Eriophyllum confertiflorum R. G. Swinney 2009-5-28 10940 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223469  Koeleria macrantha R. G. Swinney 2009-5-28 10927 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223471  Mentzelia veatchiana R. G. Swinney 2009-5-28 10929 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223475  Gilia splendens R. G. Swinney 2009-5-28 10936 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223478  Ceanothus leucodermis R. G. Swinney 2009-5-28 10939 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223483  Symphoricarpos rotundifolius var. parishii R. G. Swinney 2009-5-28 10918 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223492  Cryptantha muricata R. G. Swinney 2009-6-8 11073 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
  UCR223497  Bromus carinatus R. G. Swinney 2009-5-28 10952 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223499  Lotus strigosus R. G. Swinney 2009-5-28 10951 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
  UCR223522  Brassica geniculata R. G. Swinney 2009-6-17 11226 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 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
  UCR223529  Eriogonum umbellatum R. G. Swinney 2009-5-28 10915 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223542  Cercocarpus betuloides R. G. Swinney 2009-6-2 11003 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223547  Potentilla glandulosa R. G. Swinney 2009-6-2 11000 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223549  Polystichum imbricans R. G. Swinney 2009-6-2 10991 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223554  Bromus tectorum R. G. Swinney 2009-6-2 10996 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR223567  Hordeum brachyantherum R. G. Swinney 2009-6-3 11051 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
  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
  UCR223571  Poa pratensis R. G. Swinney 2009-6-3 11031 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
  UCR223578  Sisymbrium altissimum R. G. Swinney 2009-6-17 11225 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR223583  Euphorbia albomarginata R. G. Swinney 2009-6-17 11221 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR223597  Allium lacunosum var. davisiae R. G. Swinney 2009-6-8 11089 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223599  Penstemon centranthifolius R. G. Swinney 2009-6-8 11087 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223605  Trifolium monanthum R. G. Swinney 2009-6-8 11078 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223608  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-29 11440 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223610  Eriogonum umbellatum var. munzii R. G. Swinney 2009-7-29 11438 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223624  Typha domingensis R. G. Swinney 2009-6-28 11289 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway 194 Comment
  UCR223626  Festuca microstachys R. G. Swinney 2009-6-3 11053 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
  UCR223646  Orobanche californica R. G. Swinney 2009-6-24 11262 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR223652  Galium johnstonii R. G. Swinney 2009-6-24 11268 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR223657  Mentzelia veatchiana R. G. Swinney 2009-6-24 11256 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR223659  Salix lasiolepis R. G. Swinney 2009-6-12 11144 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
  UCR223664  Equisetum hyemale subsp. affine R. G. Swinney 2009-6-12 11132 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
  UCR223666  Solidago californica R. G. Swinney 2009-6-12 11134 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
  UCR223673  Salix laevigata R. G. Swinney 2009-6-12 11143 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
  UCR223681  Asclepias fascicularis R. G. Swinney 2009-6-17 11154 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223685  Chenopodium R. G. Swinney 2009-8-25 11486 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR223688  Erodium cicutarium R. G. Swinney 2009-6-24 11257 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
  UCR223694  Silene verecunda R. G. Swinney 2009-6-24 11248 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223696  Ceanothus integerrimus R. G. Swinney 2009-6-24 11251 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223702  Baccharis salicifolia R. G. Swinney 2009-6-12 11113 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
  UCR223707  Rubus ursinus R. G. Swinney 2009-6-12 11119 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
  UCR223709  Sonchus asper R. G. Swinney 2009-6-12 11121 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
  UCR223723  Rumex crispus R. G. Swinney 2009-6-8 11107 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR223743  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2009-6-24 11240 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  UCR223751  Montia fontana R. G. Swinney 2009-5-28 10966 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223755  Festuca microstachys R. G. Swinney 2009-5-28 10970 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223758  Pinus coulteri R. G. Swinney 2009-5-28 10973 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223763  Claytonia perfoliata R. G. Swinney 2009-5-28 10978 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR223774  Phacelia distans R. G. Swinney 2009-6-17 11179 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR223776  Cirsium occidentale var. californicum R. G. Swinney 2009-6-17 11156 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR223782  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-5-27 10902 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
  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
  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
  UCR223807  Ceanothus vestitus R. G. Swinney 2009-6-17 11163 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 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
  UCR223823  Eriastrum sapphirinum R. G. Swinney 2009-6-17 11194 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR239960  Atriplex canescens R. G. Swinney 2009-11-13 11616 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
  UCR240003  Leptochloa fusca subsp. uninervia R. G. Swinney 2009-11-9 11594 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  UCR240022  Gutierrezia microcephala R. G. Swinney 2009-11-13 11596 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UCR240027  Phoradendron bolleanum R. G. Swinney 2009-11-13 11614 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  UCR240029  Stephanomeria pauciflora R. G. Swinney 2009-11-13 11612 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  UCR240293  Grindelia R. G. Swinney 2009-11-18 11653 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
  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
  UCR243022  Conyza floribunda R. G. Swinney 2009-8-6 11533 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR243027  Typha R. G. Swinney 2009-8-6 11528 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR243029  Nasturtium officinale R. G. Swinney 2009-8-6 11540 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  UCR252734  Emmenanthe penduliflora R. G. Swinney 2010-5-29 13411 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR252736  Lotus strigosus R. G. Swinney 2010-5-29 13409 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR252760  Typha latifolia R. G. Swinney 2010-9-1 13660 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCR252890  Cryptantha R. G. Swinney 2010-5-11 12648 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
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Feb 19 2020
  UCR255753  Stanleya pinnata R. G. Swinney 2010-5-12 12718 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
  UCR255761  Eriodictyon trichocalyx R. G. Swinney 2010-5-12 12702 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
  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
  UCR255768  Pectocarya penicillata R. G. Swinney 2010-5-12 12706 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
  UCR255777  Salix exigua R. G. Swinney 2010-4-15 12265 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  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
  UCR255784  Filago californica R. G. Swinney 2010-4-20 12298 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
  UCR255786  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-20 12299 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
  UCR255791  Schismus barbatus R. G. Swinney 2010-3-10 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. 488 Comment
  UCR255795  Chenopodium berlandieri R. G. Swinney 2010-4-20 12306 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
  UCR255804  Amsinckia tessellata R. G. Swinney 2010-5-12 12752 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
  UCR255806  Schismus barbatus R. G. Swinney 2010-5-12 12750 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCR255821  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-4 12505 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR255825  Hulsea heterochroma R. G. Swinney 2010-9-23 13875 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UCR255828  Hordeum murinum R. G. Swinney 2010-5-12 12736 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCR255841  Baccharis salicifolia R. G. Swinney 2010-3-10 11829 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  UCR255845  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-4 12486 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR255848  Lepidium virginicum R. G. Swinney 2010-5-4 12483 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
  UCR256129  Stipa lepida R. G. Swinney 2010-3-22 12005 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
  UCR256147  Pseudognaphalium californicum R. G. Swinney 2010-4-20 12309 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR256149  Melica imperfecta R. G. Swinney 2010-4-20 12311 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
  UCR256156  Adiantum jordanii R. G. Swinney 2010-6-4 13051 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  UCR256162  Cercocarpus betuloides R. G. Swinney 2010-6-4 13030 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256171  Camissonia hirtella R. G. Swinney 2010-3-22 11999 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
  UCR256178  Penstemon grinnellii R. G. Swinney 2010-9-23 13874 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UCR256183  Keckiella cordifolia R. G. Swinney 2010-6-4 13071 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
  UCR256192  Dysphania botrys R. G. Swinney 2010-6-4 13057 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256201  Gilia modocensis R. G. Swinney 2010-5-19 12838 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
  UCR256205  Gnaphalium purpureum R. G. Swinney 2010-6-8 13221 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
  UCR256208  Muhlenbergia richardsonis R. G. Swinney 2010-10-13 14045 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR256210  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-19 12846 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
  UCR256224  Glycyrrhiza lepidota R. G. Swinney 2010-6-4 13033 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR256226  Polypodium californicum R. G. Swinney 2010-6-4 13048 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
  UCR256244  Linanthus aureus subsp. aureus R. G. Swinney 2010-5-19 12840 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
  UCR256246  Penstemon centranthifolius R. G. Swinney 2010-5-19 12845 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
  UCR256252  Heterotheca grandiflora R. G. Swinney 2010-3-22 12084 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR256266  Drymocallis cuneifolia var. ewanii R. G. Swinney 2010-10-13 14043 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  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
  UCR256438  Salix exigua R. G. Swinney 2010-6-4 13022 Los Angeles San Gabriel Mountains, Placerita Canyon, Placerita Cyn. Natural Area, 0.3-0.9 miles east of nature center 543 Comment
  UCR256834  Calocedrus decurrens R. G. Swinney 2010-9-9 13761 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR256836  Polygonum lapathifolium R. G. Swinney 2010-8-16 13545 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256840  Malosma laurina R. G. Swinney 2010-8-16 13559 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR256860  Cyperus involucratus R. G. Swinney 2010-8-16 13543 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 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
  UCR258523  Polystichum imbricans R. G. Swinney 2010-8-9 13480 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  UCR258555  Sisymbrium orientale R. G. Swinney 2010-5-29 13021 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR258558  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-29 13018 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
  UCR258574  Lobelia dunnii var. serrata R. G. Swinney 2010-8-26 13602 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
  UCR258576  Ageratina adenophora R. G. Swinney 2010-4-23 12368 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258582  Rubus ursinus R. G. Swinney 2010-4-23 12361 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258587  Malacothrix saxatilis R. G. Swinney 2010-4-23 12356 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258589  Hordeum murinum R. G. Swinney 2010-4-23 12364 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258593  Boykinia rotundifolia R. G. Swinney 2010-8-26 13594 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
  UCR258604  Rubus armeniacus R. G. Swinney 2010-8-26 13605 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR258606  Piptatherum miliaceum R. G. Swinney 2010-8-26 13604 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR258686  Nicotiana glauca R. G. Swinney 2010-3-16 11940 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258691  Sambucus nigra subsp. caerulea R. G. Swinney 2010-3-22 12031 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258698  Nicotiana glauca R. G. Swinney 2010-3-22 12025 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258703  Melica imperfecta R. G. Swinney 2010-3-22 12017 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258722  Lupinus hirsutissimus R. G. Swinney 2010-2-27 11777 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
  UCR258727  Lotus salsuginosus R. G. Swinney 2010-6-23 13352 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
  UCR258729  Hemizonia fasciculata R. G. Swinney 2010-6-23 13350 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
  UCR258742  Amsinckia tessellata R. G. Swinney 2010-5-19 12816 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR258754  Malacothrix saxatilis R. G. Swinney 2010-5-25 12962 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258756  Microseris lindleyi R. G. Swinney 2010-5-25 12959 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258762  Gilia splendens R. G. Swinney 2010-5-11 12691 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR258767  Amaranthus blitoides R. G. Swinney 2010-6-23 13324 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  UCR258769  Cuscuta californica R. G. Swinney 2010-6-23 13323 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
  UCR258771  Cryptantha muricata R. G. Swinney 2010-6-23 13348 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
  UCR258775  Equisetum laevigatum R. G. Swinney 2010-6-23 13343 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR258778  Pseudognaphalium canescens R. G. Swinney 2010-2-27 11772 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
  UCR258783  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-25 12970 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
  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
  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
  UCR258822  Encelia californica R. G. Swinney 2010-3-16 11923 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  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
  UCR258829  Artemisia douglasiana R. G. Swinney 2010-4-23 12343 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258842  Brassica geniculata R. G. Swinney 2010-3-22 12038 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR258847  Raphanus sativus R. G. Swinney 2010-3-16 11917 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258849  Medicago polymorpha R. G. Swinney 2010-3-16 11908 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
  UCR258856  Elymus elymoides R. G. Swinney 2010-5-19 12810 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
  UCR258875  Bromus diandrus R. G. Swinney 2010-4-23 12331 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258878  Pentagramma triangularis R. G. Swinney 2010-5-7 12611 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  UCR258883  Alnus rhombifolia R. G. Swinney 2010-8-16 13523 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR258892  Piptatherum miliaceum R. G. Swinney 2010-8-16 13521 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UCR258897  Schismus barbatus R. G. Swinney 2010-4-30 12459 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
  UCR258899  Sisymbrium orientale R. G. Swinney 2010-4-30 12465 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  UCR258901  Hordeum murinum R. G. Swinney 2010-4-30 12460 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCR258905  Ribes aureum R. G. Swinney 2010-4-30 12464 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
  UCR258908  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12337 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258910  Phacelia minor R. G. Swinney 2010-4-23 12353 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258924  Stephanomeria pauciflora R. G. Swinney 2010-5-7 12613 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  UCR258926  Nemacladus R. G. Swinney 2010-4-20 12274 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR258930  Plagiobothrys canescens R. G. Swinney 2010-4-23 12338 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258946  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-11 12699 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR258952  Raphanus sativus R. G. Swinney 2010-2-27 11766 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
  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
  UCR258959  Dysphania botrys R. G. Swinney 2010-9-13 13816 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  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
  UCR258966  Schinus molle R. G. Swinney 2010-2-27 11760 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR259043  Capsella bursa-pastoris R. G. Swinney 2010-3-14 11898 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
  UCR259051  Lycium cooperi R. G. Swinney 2010-5-12 12761 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
  UCR259058  Pholistoma membranaceum R. G. Swinney 2010-5-12 12766 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
  UCR259063  Leptosyne bigelovii R. G. Swinney 2010-5-19 12795 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
  UCR259076  Juniperus californica R. G. Swinney 2010-6-23 13376 B 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
  UCR259082  Calystegia macrostegia R. G. Swinney 2010-10-15 14053 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  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
  UCR259089  Microseris lindleyi R. G. Swinney 2010-5-12 12754 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
  UCR259093  Lemna R. G. Swinney 2010-10-15 14060 Los Angeles San Gabriel Mountains, from Little Tujunga Wash at the I-210 Fwy, to the east end of Hansen Lake 329 Comment
  UCR259124  Solanum umbelliferum R. G. Swinney 2010-5-4 12523 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UCR259126  Solanum douglasii R. G. Swinney 2010-4-28 12384 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
  UCR259144  Phacelia imbricata R. G. Swinney 2010-6-4 12992 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
  UCR259146  Epilobium canum R. G. Swinney 2010-8-30 13615 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR259152  Trifolium obtusiflorum R. G. Swinney 2010-6-23 13375 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR259166  Camissonia hirtella R. G. Swinney 2010-6-23 13354 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR259173  Epilobium canum R. G. Swinney 2010-9-9 13755 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
  UCR259181  Euphorbia maculata R. G. Swinney 2010-6-23 13372 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  UCR259185  Pseudognaphalium californicum R. G. Swinney 2010-4-28 12380 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR259242  Plagiobothrys canescens R. G. Swinney 2010-3-14 11904 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  UCR259247  Gilia achilleifolia R. G. Swinney 2010-6-4 12986 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
  UCR259249  Linanthus aureus R. G. Swinney 2010-6-1 13086 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  UCR259256  Juncus balticus R. G. Swinney 2010-6-4 12999 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR259262  Artemisia douglasiana R. G. Swinney 2010-9-9 13737 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
  UCR259271  Amsinckia intermedia R. G. Swinney 2010-3-14 11896 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
  UCR259278  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12511 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
  UCR259283  Salvia apiana R. G. Swinney 2010-6-4 12990 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
  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
  UCR259356  Artemisia californica R. G. Swinney 2010-4-20 12284 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
  UCR259369  Umbellularia californica R. G. Swinney 2010-8-26 13592 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR259371  Ageratina adenophora R. G. Swinney 2010-8-26 13590 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR259375  Alnus rhombifolia R. G. Swinney 2010-8-26 13585 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  UCR259378  Mimulus guttatus R. G. Swinney 2010-5-7 12609 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  UCR259383  Juglans californica R. G. Swinney 2010-4-20 12280 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259397  Populus nigra R. G. Swinney 2010-9-9 13732 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR259399  Dryopteris arguta R. G. Swinney 2010-8-30 13637 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR259570  Hordeum murinum R. G. Swinney 2010-5-7 12605 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
  UCR259600  Descurainia pinnata R. G. Swinney 2010-5-11 12622 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR259611  Verbena bracteata R. G. Swinney 2010-9-7 13685 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259615  Potamogeton amplifolius R. G. Swinney 2010-9-7 13707 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR259618  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12956 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
  UCR259631  Adenostoma fasciculatum R. G. Swinney 2010-4-15 12215 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259635  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12221 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259638  Astragalus trichopodus var. phoxus R. G. Swinney 2010-5-7 12601 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
  UCR259680  Solanum douglasii R. G. Swinney 2010-4-13 12204 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 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
  UCR259914  Ricinus communis R. G. Swinney 2010-3-16 11957 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
  UCR259920  Lessingia glandulifera var. glandulifera R. G. Swinney 2010-6-1 13080 Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  UCR259936  Senecio vulgaris R. G. Swinney 2010-4-28 12431 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
  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
  UCR260014  Lepidospartum squamatum R. G. Swinney 2010-4-1 12154 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  UCR260016  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-30 12112 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR260020  Filago californica R. G. Swinney 2010-3-30 12110 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
  UCR260335  Pholistoma auritum R. G. Swinney 2010-5-4 12555 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
  UCR260380  Trifolium willdenovii R. G. Swinney 2010-6-21 13276 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR260405  Rhus integrifolia R. G. Swinney 2010-4-30 12451 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
  UCR260408  Pellaea andromedifolia R. G. Swinney 2010-4-30 12455 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
  UCR260410  Rubus ursinus R. G. Swinney 2010-4-30 12453 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
  UCR260622  Hesperoyucca whipplei R. G. Swinney 2010-4-23 12370 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
  UCR260791  Dendromecon rigida R. G. Swinney 2010-2-27 11733 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
  UCR260795  Lessingia glandulifera var. glandulifera R. G. Swinney 2010-6-23 13336 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, 0.1-0.4 miles E of Orcas Park on N side of Big Tujunga Wash, east end of survey area due south of Christy Ave. 331 Comment
  UCR260798  Salvia apiana R. G. Swinney 2010-8-9 13470 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCR261132  Symphoricarpos albus var. laevigatus R. G. Swinney 2010-6-21 13273 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
  UCR261137  Descurainia pinnata R. G. Swinney 2010-2-27 11726 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR261139  Amsinckia intermedia R. G. Swinney 2010-2-27 11727 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
  UCR261320  Medicago polymorpha R. G. Swinney 2010-3-13 11882 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR261334  Phacelia distans R. G. Swinney 2010-3-13 11872 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR261336  Salvia mellifera R. G. Swinney 2010-3-13 11874 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR261340  Baccharis salicifolia R. G. Swinney 2010-4-1 12162 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
  UCR261360  Oxalis pes-caprae R. G. Swinney 2010-2-27 11661 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR261541  Stellaria media R. G. Swinney 2010-2-27 11705 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR261545  Poa annua R. G. Swinney 2010-2-27 11709 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
  UCR261553  Antirrhinum coulterianum R. G. Swinney 2010-6-29 13372 B Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  UCR261757  Solidago spectabilis R. G. Swinney 2010-9-13 13845 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR261759  Medicago lupulina R. G. Swinney 2010-9-13 13836 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR261764  Mentha suaveolens R. G. Swinney 2010-9-13 13828 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR261766  Eleocharis R. G. Swinney 2010-9-13 13833 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR261773  Sisymbrium altissimum R. G. Swinney 2010-5-11 12685 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR261781  Lotus strigosus R. G. Swinney 2010-5-11 12676 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
  UCR261785  Cryptantha muricata R. G. Swinney 2010-5-11 12683 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
  UCR261788  Epilobium ciliatum R. G. Swinney 2010-9-13 13834 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR261794  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-9-13 13842 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
  UCR269590  Scutellaria siphocampyloides R. G. Swinney 2011-6-29 15366 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  UCR269933  Amsinckia tessellata R. G. Swinney 2010-5-12 12725 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
  UCR269970  Rumex conglomeratus R. G. Swinney 2010-6-29 13387 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  UCR270011  Sambucus nigra subsp. caerulea R. G. Swinney 2010-6-1 13121 Los Angeles San Gabriel Mountains, lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  UCR270015  Camissonia bistorta R. G. Swinney 2010-3-24 12071 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
  UCR270018  Camissonia R. G. Swinney 2010-3-24 12053 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
  UCR270031  Pseudognaphalium californicum R. G. Swinney 2011-4-9 14389 Los Angeles San Gabriel Mountains, NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  UCR270035  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-21 15547 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270038  Rhamnus californica R. G. Swinney 2011-7-21 15539 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
  UCR270112  Gilia angelensis R. G. Swinney 2010-4-15 12259 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
  UCR270117  Turricula parryi R. G. Swinney 2010-9-9 13798 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
  UCR270119  Equisetum laevigatum R. G. Swinney 2010-9-9 13796 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
  UCR270150  Cryptantha similis R. G. Swinney 2011-4-20 14426 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  UCR270214  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-7-7 15426 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
  UCR270216  Muilla maritima R. G. Swinney 2011-6-15 15160 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  UCR270220  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-10 15744 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
  UCR270234  Spartium junceum R. G. Swinney 2011-11-1 15955 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR270236  Amaranthus albus R. G. Swinney 2011-6-30 15386 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270240  Alnus rhombifolia R. G. Swinney 2011-6-30 15402 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270260  Lupinus formosus R. G. Swinney 2011-6-15 15158 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  UCR270453  Saltugilia australis R. G. Swinney 2011-5-12 14661 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCR270465  Dicentra chrysantha R. G. Swinney 2011-6-30 15415 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270472  Chenopodium berlandieri R. G. Swinney 2011-7-7 15423 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
  UCR270479  Stephanomeria virgata R. G. Swinney 2011-7-7 15421 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
  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
  UCR270486  Polypodium californicum R. G. Swinney 2011-3-22 14195 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270495  Calocedrus decurrens R. G. Swinney 2011-11-1 15947 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
  UCR270504  Rafinesquia californica R. G. Swinney 2011-5-26 14865 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
  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
  UCR270521  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR270525  Baccharis salicifolia R. G. Swinney 2010-4-15 12252 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  UCR270528  Pentagramma triangularis R. G. Swinney 2011-3-22 14189 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  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
  UCR270643  Ceanothus crassifolius var. crassifolius R. G. Swinney 2011-3-22 14180 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCR270651  Heterotheca sessiliflora R. G. Swinney 2011-11-1 15938 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
  UCR270655  Centaurea cyanus R. G. Swinney 2011-6-30 15374 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UCR270658  Camissoniopsis hirtella R. G. Swinney 2011-5-24 14815 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
  UCR270674  Layia glandulosa R. G. Swinney 2011-5-24 14818 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR270676  Pentagramma triangularis R. G. Swinney 2011-11-1 15948 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
  UCR270682  Arabis platysperma R. G. Swinney 2011-8-17 15650 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270801  Stipa speciosa R. G. Swinney 2010-6-1 13116 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  UCR270805  Hulsea vestita R. G. Swinney 2011-7-21 15534 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR270808  Agrostis exarata R. G. Swinney 2011-8-17 15624 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR270824  Artemisia douglasiana R. G. Swinney 2010-6-29 13393 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  UCR270826  Gnaphalium californicum R. G. Swinney 2011-5-24 14827 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR270830  Pectocarya setosa R. G. Swinney 2011-5-24 14823 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR270844  Pseudognaphalium californicum R. G. Swinney 2011-6-29 15348 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270846  Carex alma R. G. Swinney 2011-6-29 15358 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270852  Mimulus cardinalis R. G. Swinney 2011-6-29 15347 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  UCR270857  Trifolium gracilentum R. G. Swinney 2011-5-24 14813 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
  UCR270859  Pterospora andromedea R. G. Swinney 2011-8-17 15656 Los Angeles San Gabriel Mountains, Ridge to the imm. west of Lily Spring, c. 100 meters s. of SR 2 (Angeles Crest Hwy.), n. slope of Mt. Hawkins 2329 Comment
  UCR270864  Heliotropium curassavicum var. oculatum R. G. Swinney 2010-6-29 13394 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  UCR270888  Sagina saginoides R. G. Swinney 2011-8-17 15629 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  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
  UCR270903  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-26 14872 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
  UCR270922  Pellaea andromedifolia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14348 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
  UCR270927  Cirsium occidentale var. californicum R. G. Swinney 2011-6-14 15124 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270929  Mimulus pilosus R. G. Swinney 2011-5-26 14883 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  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
  UCR270967  Cryptantha muricata R. G. Swinney 2011-4-28 14529 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
  UCR270969  Camissonia hirtella R. G. Swinney 2011-4-28 14534 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
  UCR270971  Spergularia bocconi R. G. Swinney 2011-4-28 14554 Los Angeles San Gabriel Mountains, north of Glendora, 0.5 miles south of the ridge immediately south of Persinger Cyn. on east side of Glendora Mountain Rd 927 Comment
  UCR270975  Scrophularia californica R. G. Swinney 2011-4-28 14537 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
  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
  UCR270983  Melica imperfecta R. G. Swinney 2011-5-26 14856 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  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
  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
  UCR271090  Lupinus excubitus var. hallii R. G. Swinney 2011-4-28 14525 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  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
  UCR271170  Corethrogyne filaginifolia R. G. Swinney 2011-10-10 15731 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR271200  Quercus durata var. gabrielensis R. G. Swinney 2011-11-1 15942 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR271211  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2011-11-1 15961 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
  UCR271235  Triticum aestivum R. G. Swinney 2011-5-12 14699 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  UCR271315  Antirrhinum coulterianum R. G. Swinney 2011-5-12 14671 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
  UCR271318  Scirpus microcarpus R. G. Swinney 2011-5-12 14696 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
  UCR271459  Salvia columbariae R. G. Swinney 2011-6-14 15157 Los Angeles San Gabriel Mountains, upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road 1671 Comment
  UCR271464  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 1671 Comment
  UCR271466  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 1671 Comment
  UCR271473  Marah macrocarpa R. G. Swinney 2011-5-3 14575 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271485  Lithophragma bolanderi R. G. Swinney 2011-5-3 14562 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR271524  Eriophyllum confertiflorum R. G. Swinney 2011-3-18 14134 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR271526  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2011-5-31 14901 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCR271530  Dendromecon rigida R. G. Swinney 2011-5-31 14915 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
  UCR271544  Pellaea andromedifolia R. G. Swinney 2011-11-3 15983 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  UCR271546  Rhus ovata R. G. Swinney 2011-11-3 15994 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  UCR271552  Lantana camara R. G. Swinney 2011-3-18 14165 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR271557  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR271559  Sanicula crassicaulis R. G. Swinney 2011-3-18 14145 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCR271564  Elymus glaucus subsp. virescens R. G. Swinney 2011-6-23 15292 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR271566  Collinsia R. G. Swinney 2011-5-19 14773 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
  UCR271573  Caulanthus amplexicaulis R. G. Swinney 2011-5-19 14789 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg. SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  UCR271581  Cryptantha muricata R. G. Swinney 2011-5-19 14768 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  UCR271585  Epilobium canum subsp. canum R. G. Swinney 2011-11-3 15998 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
  UCR271588  Rhus ovata R. G. Swinney 2011-11-3 15995 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  UCR271594  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-19 14782 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
  UCR271596  Calochortus palmeri R. G. Swinney 2011-6-14 15148 Los Angeles San Gabriel Mountains, upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road 1671 Comment
  UCR271603  Salix lasiolepis R. G. Swinney 2011-10-13 15774 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  UCR271654  Ceanothus oliganthus subsp. oliganthus R. G. Swinney 2011-3-26 14200 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
  UCR271656  Orobanche fasciculata R. G. Swinney 2011-5-12 14688 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCR271662  Pentagramma triangularis R. G. Swinney 2011-3-26 14217 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR271667  Bromus diandrus R. G. Swinney 2011-3-26 14220 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
  UCR271669  Polypodium californicum R. G. Swinney 2011-3-26 14218 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR271671  Rhamnus ilicifolia R. G. Swinney 2011-5-31 14920 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
  UCR271675  Eschscholzia californica R. G. Swinney 2011-5-31 14923 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
  UCR271741  Pellaea andromedifolia R. G. Swinney 2011-3-26 14228 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR271745  Eriodictyon parryi R. G. Swinney 2011-5-31 14913 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
  UCR271748  Lamarckia aurea R. G. Swinney 2011-3-26 14231 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  UCR271753  Cerastium glomeratum R. G. Swinney 2011-3-26 14223 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
  UCR271791  Erodium cicutarium R. G. Swinney 2010-3-24 12046 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
  UCR271795  Sisymbrium irio R. G. Swinney 2010-3-24 12044 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
  UCR271806  Rafinesqu