Search Results — 385 specimen records retrieved (337 records with coordinates)
Results for search: Scientific name=Sonchus asper asper (including nomenclatural synonyms);   More information: Jepson Online Interchange

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229756  Sonchus asper subsp. asper T. Gosliner; B. Gosliner; J. Charles; et al. 2012-6-23 1909 Marin Marin Municipal Water District Lands: Mount Tamalpais. Rock Spring area, past meadow, following drainage to NE: spot near drainage/serpentine/forest Comment
  CAS-BOT-BC229757  Sonchus asper subsp. asper G. Block; D. Sherpa; T. Steiner; et al. 2012-8-25 1563 Marin Marin Municipal Water District Lands: Mount Tamalpais. In Potrero Meadow off Laurel Dell Rd., near edge of slough sedge and Potrero Meadow Trail. Comment
  CAS-BOT-BC402142  Sonchus asper subsp. asper LeRoy Gross; Duncan S. Bell; Eric Garcia 2014-6-10 6583 Fresno Sierra Nevada; Southern Sierra Nevada region: Monarch Wilderness; Trail 30E01 (forest service, guide to the Monarch & Jennie Lakes Wilderness map). Off Highway 180, along the South Fork of Kings River. Deer Cove Creek to Deer Cove Saddle, where a trail 1992 Comment
  CAS-BOT-BC54290  Sonchus asper subsp. asper Bruce Bartholomew 1993-6-13 6646 Modoc Vicinity of hot spring, ca. 0.6 km NE of Leonard Hot Spring, E side of Surprise Valley. 1430 Comment
  CAS-BOT-BC54291  Sonchus asper subsp. asper Bruce Bartholomew 1994-5-28 6710 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  CAS-BOT-BC54292  Sonchus asper subsp. asper Bruce Bartholomew 1994-5-28 6710 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  CATA1452  Sonchus asper subsp. asper Mark L. Hoefs, Robert F. Thorne 1996-4-6 2634 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  CATA1664  Sonchus asper subsp. asper Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2953 Los Angeles Santa Catalina Island: Above Parson's Beach 85 Comment
  CATA876  Sonchus asper subsp. asper Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1687 Los Angeles Santa Catalina Island: Canyon behind Haypress Reservoir 377 Comment
  CDA30461  Sonchus asper subsp. asper G. F. Hrusa 2009-5-9 17822 Santa Barbara Sierra Madre Mountains; San Rafael Wilderness. Sisquoc River. Riparian zone and floodwash, +/- 1/4 mi. E of Cliff Camp. 533 Comment
  CDA32006  Sonchus asper subsp. asper L. Ahart 2009-6-3 15817 Butte About 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. Comment
  CDA37005  Sonchus asper subsp. asper G. F. Hrusa, C. & E. Dogwin, R. Jensen 2012-5-15 18470 Monterey Santa Lucia Mountains; Ridge on N side of Alder Cyn, approx. 3 mi. S of Gorda on Gorda Mtn. 414 Comment
  CDA7845  Sonchus asper subsp. asper Erik Smith 2008-4-7 PDR# 1505884 Madera Chowchilla, Triangle T Ranch, 4408 Hays Dr 0 Comment
  CHSC101101  Sonchus asper subsp. asper L. P. Janeway 2009-3-30 9692 Sutter Sacramento Valley. At the pumphouse on the eastern edge of the east levee of Sutter Bypass, between Franklin Road and Wadsworth Canal; about 4.7 km south-southwest of the town of Sutter. Open disturbed compacted ground along access road to the pumphouse and top of adjacent drainage canal. 11 Comment
  CHSC101816  Sonchus asper subsp. asper Lowell Ahart 2009-6-12 15838 Butte 5 yards west of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC102297  Sonchus asper subsp. asper Lowell Ahart 2009-10-12 16429 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CHSC102998  Sonchus asper subsp. asper Lowell Ahart 2009-6-3 15817 Butte About 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 239 Comment
  CHSC107169  Sonchus asper subsp. asper L. P. Janeway 2011-7-5 10491 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. Small grassy meadow. Plants occasional, especially in disturbed edges of the meadow. 750 Comment
  CHSC107248  Sonchus asper subsp. asper Lowell Ahart 2011-6-3 17359 Butte Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico. Urban. 60 Comment
  CHSC107288  Sonchus asper subsp. asper L. P. Janeway; B. Castro 2011-7-9 10511 Colusa Sacramento Valley. Extreme west edge of Sacramento Valley; 1.5 km southeast of Funks Reservoir and 0.1-0.6 km northeast of Tehama-Colusa Canal. Just off of the northwest corner of the marsh. 49 Comment
  CHSC107291  Sonchus asper subsp. asper L. P. Janeway 2011-6-29 10408 Butte Northern High Sierra Nevada. Top of Bloomer Hill, at southwest corner of the fence around the upper communication tower; between the chain-link fence and a little used short access dirt road. 908 Comment
  CHSC108129  Sonchus asper subsp. asper Lowell Ahart 2011-10-29 17723 Butte On the bare sides of a ditch, on the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 mile northwest of Biggs. 27 Comment
  CHSC108208  Sonchus asper subsp. asper Lowell Ahart 2011-6-7 17384 Yuba Road margin, about 25 yards south of the huge gravel bar along the Yuba River, about 150 yards west of the south end of Parks Bar Bridge (Highway 20), about 15 miles (by air) northeast of Marysville. 66 Comment
  CHSC108785  Sonchus asper subsp. asper L. P. Janeway 2011-6-7 10363 Butte Sacramento Valley. Along Nelson Ave 1.0 road km west of its bridge over Thermalito Forebay, about 5.7 air km west of Oroville. Weedy edge of road side drainage. 99 Comment
  CHSC109152  Sonchus asper subsp. asper Lowell Ahart 2012-5-14 18051 Butte Along the edges of the paved path, east side of the Deer Pen, between Tables 9 and 10, Lower Bidwell Park, Chico. 71 Comment
  CHSC112308  Sonchus asper subsp. asper Lowell Ahart; John Dittes, Josephine Guardino 2013-4-26 18603 Mendocino North Coast. Base of eroding cliffs, above the sand beach, 1.1 miles (air) southeast of Anchor Bay, 2.0 miles (air) northwest of mouth of Gualala River. 3 Comment
  CHSC113057  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2013-7-22 18846 Lassen West margin of a duck field, about 50 yards south of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC113306  Sonchus asper subsp. asper Lowell Ahart 2014-4-9 19334 Butte West edge of Pennington Road, at the intersection of Pennington Road and Colusa Highway, about 6 miles west of Gridley. 22 Comment
  CHSC113916  Sonchus asper subsp. asper Lowell Ahart 2014-5-13 19462 Butte Below the high water line of Lake Oroville, along the old paved road, about 50 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville. 259 Comment
  CHSC116037  Sonchus asper subsp. asper Lowell Ahart 2015-11-19 20678 Yuba 100 yards or more north of the spillway area, below the high water line, west side of Lake Francis, about 1-1/2 miles south of Dobbins. 512 Comment
  CHSC116096  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2015-7-13 20304 Lassen About 100 yards southwest of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC116608  Sonchus asper subsp. asper Lowell Ahart; Josephine Guardino 2016-4-19 20769 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  CHSC117004  Sonchus asper subsp. asper Lowell Ahart 2016-6-4 20926 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. 732 Comment
  CHSC117296  Sonchus asper subsp. asper Lowell Ahart 2016-7-13 21111 Lassen 80 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Aidn, hills at the southern slope of Big Valley. 1289 Comment
  CHSC117361  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2016-7-14 21157 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC58161  Sonchus asper subsp. asper Vernon H. Oswald 1992-6-18 4985 Plumas Lassen Volcanic National Park. Warner Valley: N side of Hot Spring Creek ca. 0.2 mi upstream from the boundary of the park. 1609 Comment
  CHSC61461  Sonchus asper subsp. asper Vernon H. Oswald; Lowell Ahart 1993-5-27 5422 Glenn Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, along Norman Rd/ at the road into the Checking Station (between the SW corner of Pool 4 and the NW corner of Cell 1, Tract 23). In a roadside ditch. 24 Comment
  CHSC64819  Sonchus asper subsp. asper Vernon H. Oswald 1995-6-4 6823 Tehama Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.0 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Between Manton Rd. and the reserve fence at the base of the roadfill approaching the double culvert s of Inks Creek Rd. 207 Comment
  CHSC66088  Sonchus asper subsp. asper Vernon H. Oswald; Lowell Ahart 1996-5-27 7642 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Along the edge of the creek ca. 0.4 mi E of the W boundary of the reserve. 91 Comment
  CHSC66155  Sonchus asper subsp. asper Vernon H. Oswald; Lowell Ahart 1996-5-27 7669 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC80610  Sonchus asper subsp. asper Lowell Ahart 2001-6-16 8874 Tehama On north side of the dirt road, about 4 1/2 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1112 Comment
  CHSC84298  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2003-6-11 10237 Tehama On the west edges of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  CHSC87903  Sonchus asper subsp. asper Lowell Ahart 2004-6-11 11042 Tehama On the southwest margin of Dead Rabbit Lake, about 100 yards west of the Nomalaki Trail, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 545 Comment
  CHSC88533  Sonchus asper subsp. asper Jenny Marr; Beth Hendrickson 1999-5-28 Tehama Vicinity of Long Hollow, Grizzly Creek, and Bluedoor Flat. 289 Comment
  CHSC91245  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC98828  Sonchus asper subsp. asper Lowell Ahart; John Dittes, Josephine Guardino 2008-4-13 14687 Merced On dry soil, along the fence, about 40 yards east of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  GMDRC1122  Sonchus asper subsp. asper J. Andre 2003-5-25 4085 San Bernardino Granite Mtns: Granite Mtns: Mouth of Budweiser Cyn, growing in wet sandy soil in streambed.. Elev. 3788 ft. 1155 Comment
  GMDRC3785  Sonchus asper subsp. asper J. Andre, T. La Doux, Ron Kelley 2009-5-29 11362 Inyo Owens Valley: Owens Valley: west margin of Warren Lake (playa), just E. of Big Pine Canal and County Rd, approx 3 mi. NNW of town of Big Pine. USGS 7.5 min. Quad: Big Pine 37 deg. 11.5' N 118 deg. 20.092' W. Elev. 3945 ft. 1203 Comment
  GMDRC4412  Sonchus asper subsp. asper J. Andre 2010-6-4 13898 San Bernardino Mid Hills: Mojave National Preserve; northern Pinto Valley at Howe Spring, 0.7 mi. north of Bathtub Spring, approx. 2.5 mi. west of 4th of July Cyn (NY Mtns). 1741 Comment
  JEPS100169  Sonchus asper subsp. asper G. Smick 2003-5-8 GAS 182 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS104138  Sonchus asper subsp. asper Lowell Ahart 2003-6-11 10237 Tehama On the w edges of Battle Creek, ca 1 mi n of Manton Rd, ca 1 1/2 mi (air) ne of the Colman Power House, ca 5 mi (air) wsw of Darah Springs State Fish Hatchery, ca 10 mi (air) ene of Cottonwood. 153 Comment
  JEPS106293  Sonchus asper subsp. asper Lowell Ahart 2004-6-11 11042 Tehama On the southwest margin of Dead Rabbit Lake, about 100 yards west of the Nomalaki Trail, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta 545 Comment
  JEPS107656  Sonchus asper subsp. asper Lowell Ahart, John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS115371  Sonchus asper subsp. asper Lowell Ahart 2009-6-3 15817 Butte About 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 239 Comment
  JEPS118680  Sonchus asper subsp. asper L. P. Janeway 2011-7-5 10491 Yuba Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. French Corral 7.5' quad. Comment
  JEPS118736  Sonchus asper subsp. asper L. P. Janeway 2011-6-7 10363 Butte Sacramento Valley. Along Nelson Ave 1.0 road km west of its bridge over Thermalito Forebay, about 5.7 air km west of Oroville. Oroville 7.5' quad. Comment
  JEPS119761  Sonchus asper subsp. asper Lowell Ahart 2012-5-14 18051 Butte Along the edges of the paved path, east side of the Deer Pen, between Tables 9 & 10, Lower Bidwell Park, Chico. Comment
  JEPS121127  Sonchus asper subsp. asper Lowell Ahart, John Dittes, Josephine Guardino 2013-4-26 18603 Mendocino 1.1 air miles SSE of Anchor Bay, 2.0 air miles NW of mouth of Gualala River. Comment
  JEPS122118  Sonchus asper subsp. asper Lowell Ahart 2014-5-13 19462 Butte Below the high water line of Lake Oroville, along the old paved road, about 50 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville. Comment
  JEPS124384  Sonchus asper subsp. asper Lowell Ahart, John Dittes 2015-7-13 20304 Lassen Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS127027  Sonchus asper subsp. asper Lowell Ahart 2016-6-4 20926 Butte On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown. Comment
  JEPS127094  Sonchus asper subsp. asper Lowell Ahart, Josephine Guardino 2016-4-19 20769 Contra Costa 1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  JEPS128402  Sonchus asper subsp. asper Adam C. Schneider 2013-5-17 135 San Mateo Crystal Springs Reservoir. Comment
  JOTR32266  Sonchus asper subsp. asper La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-9 2417 San Bernardino Joshua Tree National Park. Queen Mountains, Rattlesnake Canyon above Indian Cove campground; Bouldery wash with steep granite walls, water barely flowing but still lots of deep pools (Stop 2) 950 Comment
  JOTR32393  Sonchus asper subsp. asper La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2497 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  JOTR32577  Sonchus asper subsp. asper La Doux, Tasha, M. Wheeler, T. Herskovits, D. Shade, B. Truesdell 2011-5-26 2646 San Bernardino Joshua Tree National Park. Quail Mountain, approx. 1.2mi N of peak; spring/seep in north flowing drainage (Stop 4) 1246 Comment
  JOTR32578  Sonchus asper subsp. asper La Doux, Tasha, M. Wheeler, T. Herskovits, D. Shade, B. Truesdell 2011-5-26 2646 San Bernardino Joshua Tree National Park. Quail Mountain, approx. 1.2mi N of peak; spring/seep in north flowing drainage (Stop 4) 1246 Comment
  JOTR35489  Sonchus asper subsp. asper La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3177 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  JOTR36406  Sonchus asper subsp. asper La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3356 San Bernardino Joshua Tree National Park. Wonderland of Rocks; Keys Ranch, muddy flats behind Keys Ranch Dam (STOP2) Comment
  JOTR37031  Sonchus asper subsp. asper Hodges, Stephen R, James Heintz, Aliya Ingersoll, Evan Heck 2015-10-22 520 San Bernardino Wonderland of Rocks - Stop 2 Comment
  JROH1255  Sonchus asper subsp. asper John H. Thomas 1967-5-31 12927 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1257  Sonchus asper subsp. asper John H. Thomas 1974-8-11 17507 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI51265  Sonchus asper subsp. asper Debora Guillot, Jan Barber, Jim Kilber, Sue Weis, Andrew Stackhouse 1993-6-24 1 .23 San Luis Obispo NE corner of San Simeon State park Comment
  OBI54625  Sonchus asper subsp. asper David J. Keil, with Lynne Dee Oyler 1995-3-4 24557 Santa Barbara North base. along beach blvd. west of railroad tracks. Comment
  OBI55560  Sonchus asper subsp. asper George Butterworth 1998-5-3 254 San Luis Obispo Carrizo Plain Natural Area. .2 mi W of ring gate (Windmill Rd) 150 yds below dam. T31S, R19E, S23, SE Qtr 631 Comment
  OBI60171  Sonchus asper subsp. asper David J. Keil, with Lynne Dee (Oyler) Althouse 1999-4-15 28244 Santa Barbara University of California's Sedgwick Ranch Preserve near Figueroa Mountain. Comment
  OBI65009  Sonchus asper subsp. asper Greg Wilvert 2005-4-5 153 San Luis Obispo SE half of the Caliente Range. Wells spring Comment
  OBI72251  Sonchus asper subsp. asper Anthony Baniaga, Theo Fitanides 2010-3-27 72 San Luis Obispo Tierra Redonda Mtn BLM ACEC 340 Comment
  RSA0013038  Sonchus asper subsp. asper LeRoy Gross, Caitlin Elam 2013-5-14 6053 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA0038493  Sonchus asper subsp. asper LeRoy Gross, Duncan S. Bell, Eric Garcia 2014-6-10 6583 Fresno Monarch Wilderness; Trail 30E01 (forest service, guide to the Monarch & Jennie Lakes Wilderness map). Off Highway 180, along the South Fork of Kings River. Deer Cove Creek to Deer Cove Saddle, where a trail branches off to Choke Creek., Started near 36.80413N 118.71516W. Ended near 36.82590N 118.72246W. 1348 Comment
  RSA0039482  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann, G. Kenney 2014-4-30 28066 San Diego Camp Pendleton: State Park Lease area: northwestern portion of Base; along the west side of Cristianitos Road approx. 1 mile north of the entrance to the Base & east of Cristianitos Creek. 50 Comment
  RSA0060263  Sonchus asper subsp. asper LeRoy Gross, Duncan S. Bell, Nick J. Jensen 2015-3-17 6744 Ventura Ormond Beach at end of McWane Blvd., west of Arcturus Ave. South of Port Hueneme, Oxnard. 3 Comment
  RSA0061057  Sonchus asper subsp. asper LeRoy Gross 2006-6-8 2489 Kern Scodie Mountains: Kiavah Wilderness in the Sequoia National Forest; Upper reaches of Cane Canyon. West from Horse Canyon Saddle. (Near 35.58224N, 118.12341W) From the trail to Willow Springs from Horse Canyon Saddle., Area called Lower Yellow Jacket Springs. Collected at the springs 1789 Comment
  RSA0061178  Sonchus asper subsp. asper Nick Jensen, Onkar Singh, Katie Gallagher, Tim Thomas 2014-5-3 1299 Kern Tejon Ranch. Meadow east of the National Cement Plant and south of the Contour Road. 1026 Comment
  RSA0067877  Sonchus asper subsp. asper Erika M. Gardner, Kristin Forgrave 2013-6-29 428 Kern Canyon bottom of Sage Canyon. 1500 Comment
  RSA0074555  Sonchus asper subsp. asper Erika M. Gardner, Katie Roland 2014-6-13 1072 Kern Sage Canyon, about 0.50 miles north of established primitive campsite, near fork in the canyon. 1503 Comment
  RSA0107298  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann, G. Kenney, Patrick McConnell 2016-4-8 31409 San Diego Camp Pendleton: northern portion of Base; Charlie Training Area: along ridgetop on Talega Road just north of San Mateo Creek. 453 Comment
  RSA233506  Sonchus asper subsp. asper R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42146 San Bernardino San Gabriel Mountains, San Bernardino National Forest: along Cajon Creek near Cajon Campground in Cajon Canyon 838 Comment
  RSA474081  Sonchus asper subsp. asper Anstruther Davidson 1920-6-1 s.n Los Angeles San Antonio river Canyon 1500 Comment
  RSA474084  Sonchus asper subsp. asper M. B. Dunkle 1933-6-17 3611 Los Angeles San Antonio River Canyon. 915 Comment
  RSA586764  Sonchus asper subsp. asper D. L. Banks, S. D. Boyd 1995-5-17 0462 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA587255  Sonchus asper subsp. asper Orlando Mistretta 1994-5-13 1205 Los Angeles San Gabriel Mts; Little Rock Creek; slopes E of creek opposite confluence with Kitter Canyon. 1067 Comment
  RSA600479  Sonchus asper subsp. asper Steve Boyd, Lauren Raz 1997-4-30 9612 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  RSA613454  Sonchus asper subsp. asper D. L. Banks, Victor W. Steinmann 1997-3-13 1438 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA614117  Sonchus asper subsp. asper D. L. Banks 1997-4-8 1802 San Diego NW Palomar Mountains, Agua Tibia Mountains: Wilderness Gardens Preserve. Approximately 3.4 miles east of Pala south of Hwy. 76 along the San Luis Rey River., Areas along the main trail network from the parking area along the primary driveway within the river bottom to areas of native grasslands on the higher slopes. 162 Comment
  RSA615729  Sonchus asper subsp. asper D. L. Banks 1997-4-8 1867 San Diego NW Palomar Mountains, Agua Tibia Mountains: Wilderness Gardens Preserve. Approximately 3.4 miles east of Pala south of Hwy. 76 along the San Luis Rey River., Areas along the main trail network from the parking area along the primary driveway within the river bottom to areas of native grasslands on the higher slopes. 162 Comment
  RSA653060  Sonchus asper subsp. asper D. House 1994-5-6 94 -34 San Diego Cocklebur Beach, Camp Pendleton, 0.5 mile West on MCTSA Road from Stuart Mesa Road, following the dirt road that is North of the MCTSA compound security fence. Comment
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Jan 23 2014
  RSA700665  Sonchus asper subsp. asper J. P. Rebman, Jeannie Gregory, Jim Rocks 2003-7-15 9376 San Diego Laguna Mountains: Lucky 5 Ranch; southern portion of new acquisition by California State Parks: west side of Sunrise Hwy (S-1) between Cuyamaca Lake and Mount Laguna. 1624 Comment
  RSA711177  Sonchus asper subsp. asper LeRoy Gross, Naomi Fraga, Aydee Virgen, Tim Thibault 2005-4-5 1810 San Diego Cuyamaca-Laguna Mountains region: West, southwest side of Viejas Mountain, at base of mountain. Just off West Boundary Truck Trail, just at the end of Anderson Road. Southwest side of the Cuyamaca Mountains. 795 Comment
  RSA711518  Sonchus asper subsp. asper LeRoy Gross, Naomi Fraga, Aydee Virgen, Tim Thibault 2005-4-5 1784 San Diego Southern end of the Cuyamaca Mountains: Southwest end of Poser Mountain, near base of the mountain. Just a short distance east from Red Oak Road along Old Viejas Grade road. 869 Comment
  RSA715771  Sonchus asper subsp. asper L. Ahart, John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  RSA720177  Sonchus asper subsp. asper LeRoy Gross 2007-3-13 2600 Los Angeles Southern side of the range. Stough Canyon. From the nature center follow canyon bottom in northwest direction to where a spring of water which is at a junction with a creek from the northeast., Started from 34.21265N, 118.30568W, to 34.21674N, 118.30766W. 441 Comment
  RSA720667  Sonchus asper subsp. asper Naomi Fraga, Samantha Tessel 2002-7-20 148 Kern The Owens Peak Eastern Watershed: Owens Peak Wilderness Area. Short Canyon. 1098 Comment
  RSA741130  Sonchus asper subsp. asper Naomi Fraga, Duncan S. Bell 2008-8-12 2543 San Bernardino Santa Ana River. Between Trailhead to Lost creek and Santa Ana River Trail, near south Fork Campground. 1890 Comment
  RSA755314  Sonchus asper subsp. asper L. Ahart 2009-6-3 15817 Butte About 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 240 Comment
  RSA761593  Sonchus asper subsp. asper LeRoy Gross 2010-5-24 4666 Kern Bitter Creek National Wildlife Refuge; Far west end of the San Emigdio Mountains. Unit # 3. Surveyed the middle drainage north of Pelato Peak., Started by saddle southeast of Pelato near 34.91715N, 119.40225W. Traveled north, east of the peak, then finished at Cerro Noroeste Road, near 34.93626N, 119.40217W. 1113 Comment
  RSA768499  Sonchus asper subsp. asper LeRoy Gross, Jose D. Zuniga 2010-8-17 5292 San Bernardino Sugarloaf Meadow area. Near the base of the southwest side of Sugarloaf Mountain, north of the Santa Ana River. 2064 Comment
  RSA768886  Sonchus asper subsp. asper Duncan S. Bell, Jennifer Pilapil, Joshua Paolini 2010-8-18 1809 San Bernardino San Bernardino National Forest: Broom Spring; approximately 1 air mile east of Broom Flat, or 0.6 air mile northeast of Juniper Springs. 2303 Comment
  RSA770372  Sonchus asper subsp. asper Duncan S. Bell, J. D. England, Joshua Paolini 2010-6-24 1416 San Bernardino San Bernardino National Forest: North Fork of Mission Creek; collecting along a ridgeline and in a desert wash from 34.12768, -116.71523 to 34.12098, -116.69865., Approximately 3.5 air miles east of junction of Pacific Crest Trail and forest service road 1N05. 1799 Comment
  RSA780489  Sonchus asper subsp. asper Naomi Fraga, Kathleen Ashbaker, Joshua Paolini, Jennifer Pilapil 2010-7-29 3676 San Bernardino Cienega Seca near Heart Bar Comment
  RSA787355  Sonchus asper subsp. asper Naomi Fraga, Kathleen Ashbater, Joshua Paiolini, Jennifer Pilapil 2010-7-29 3691 San Bernardino The Nature Conservancy Meadow (TNC Meadow). 2071 Comment
  RSA787934  Sonchus asper subsp. asper Naomi Fraga, Kathleen Ashbaker, Joshua Paiolini 2010-7-12 3581 San Bernardino The Nature Conservancy Meadow (TNC Meadow). Bounded by Swan Drive, Andes Lane, and Garstin Drive, in Big Bear. 2071 Comment
  SBBG121630  Sonchus asper subsp. asper E. Painter, M. Andrews 1996-7-6 HL 2879 Monterey Nacimiento River, ca. 1.8 km SE of confluence with Slickrock Crk, ca. 2.1 km N of San Miguel Crk; Ft Hunter Liggett 390 Comment
  SBBG128478  Sonchus asper subsp. asper R. Burgess, P. Munro 2013-4-20 9282 Ventura Joel McCrea Wildlife Preserve, E-side of Norwegian Grade, small drainage at S end of Preserve; Thousand Oaks 273 Comment
  SBBG132621  Sonchus asper subsp. asper R. Burgess, P. Munro 2013-7-10 9376 Ventura Sandstone Hills Trail N of Pathfinder Avenue, Simi Hills; Thousand Oaks 424 Comment
  SD135347 Image available Sonchus asper subsp. asper Geoffrey A. Levin, J. Gibson, B. Faught, T. Seymour, A. Winner, R. Levin 1993-7-3 2287 San Diego Volcan Mountain, Rutherford Ranch near AT&T transmission station. Disturbed roadsides. 1650 Comment
  SD137850  Sonchus asper subsp. asper Darin L. Banks, Steve Boyd 1995-5-17 462 Riverside NW Palomar Mt.; Cleveland National Forest, Agua Tibia Wilderness Area. N face of Agua Tibia Mt., E of Dripping Springs Alcove area W (see note 659 Comment
  SD138182  Sonchus asper subsp. asper John W. Brown 1994-4-17 MM 418 San Diego Trail from Peg Leg Mine to peak McGinty Mountain, near Jamul. Comment
  SD148431  Sonchus asper subsp. asper Jon Rebman 2000-4-13 6381 San Diego San Diego Urban Canyons, North Park: Switzer Canyon 99 Comment
  SD152258  Sonchus asper subsp. asper Jon P. Rebman 2000-5-10 6660 San Diego MCAS Miramar Training Area #2 - to electric lines. 224 Comment
  SD154369  Sonchus asper subsp. asper Jeannie Gregory, M. A. Kessler, K. Duclo, N. Nenow, J. Barth 2004-2-18 616 San Diego Balboa Park; Florida Canyon between Zoo Place and Florida Drive. 50 Comment
  SD154484  Sonchus asper subsp. asper Margaret Fillius 2004-3-16 33 San Diego Rose Canyon, alongside the road through the south of the canyon, West of Regent Road, under Salix sp. 39 Comment
  SD154487  Sonchus asper subsp. asper Judy Carlstrom 2003-10-18 3 San Diego Southwest corner of Poway, hillside next to 13609 Ring Rd. - 50 yards from house 153 Comment
  SD156426  Sonchus asper subsp. asper Jon P. Rebman 2002-5-9 8046 San Diego Viejas Mountain: North of Alpine; lower, north side of mountain on USFS land just east of Kelley/Rebman ranch and T. Marshall propertyl 600 Comment
  SD158195  Sonchus asper subsp. asper Jolynn Robbins 2004-4-19 7 San Diego Damon Lane County Park in El Cajon. South on Jamacha, right on Fury. Then right on Wieghorst, left on Calle Albara. 68 Comment
  SD158524  Sonchus asper subsp. asper Michael Simpson, Dinna Estrella & Robert Lauri 2003-4-11 2360 San Diego Point Loma Navy Base, Fuel Farm region. Slope down from asphalt road, ca. 100 feet southeast of warehouse 114. 42 Comment
  SD159521  Sonchus asper subsp. asper Jon P. Rebman, J. Gregory 2003-4-15 8460 San Diego Crestridge Ecological Reserve: west of La Cresta between Alpine and El Cajon 455 Comment
  SD159762  Sonchus asper subsp. asper David Lawhead 2004-4-13 6 San Diego Agua Hedionda Lagoon - east end, Southeast of the City of Carlsbad 103 Comment
  SD160687  Sonchus asper subsp. asper Jon P. Rebman, Jeannie Gregory 2003-4-29 8688 San Diego Walker Canyon Ecological Reserve: between Boulevard and Jacumba on the north side of Interstate 8, along arroyo bottom near the pond 869 Comment
  SD161268  Sonchus asper subsp. asper Judy Gibson 2004-6-27 299 San Diego Cleveland National Forest, about 1 mile north of Descanso, along an informal trail running northeast from the end of Descanso Trail just beyond the boundary of private properties, eastern exposure within Cedar Fire (Oct 2003) area 1128 Comment
  SD161269  Sonchus asper subsp. asper Nancy Nenow 2005-2-15 98 San Diego Lopez Rim Park, Calle Cristobal just east of Camino Santa Fe, Mira Mesa 117 Comment
  SD161566  Sonchus asper subsp. asper Dick Schwenkmeyer 2005-3-10 97 San Diego Just east of Santo Road in Shepard Canyon, Tierrasanta, San Diego, CA 121 Comment
  SD164288  Sonchus asper subsp. asper Jon P. Rebman, Jeannie Gregory and Jim Rocks 2003-7-15 9376 San Diego Laguna Mountains: Lucky 5 Ranch; southern portion of new acquisition by California State Parks: west side of Sunrise Hwy (S-1) between Cuyamaca Lake and Mount Laguna 1623 Comment
  SD165274  Sonchus asper subsp. asper Emanuel Kauder 2005-4-2 42 San Diego City of San Diego, Scripps Ranch, 0.5 miles East of Pomerado Rd on north side of Beeler Canyon Rd at the shoulder's edge. 11 Comment
  SD165275  Sonchus asper subsp. asper Emanuel Kauder 2005-3-30 29 San Diego City of San Diego, Scripps Ranch, 0.4 Miles South of Beeler Canyon Rd on east side of Creek Rd at edge of black top on flat shoulder 11 Comment
  SD165761  Sonchus asper subsp. asper MaryAnn Brooks-Gonyer, Beverly Pecunia 2005-5-6 170 San Diego Approx. 7 miles north of Escondido on Champagne Blvd, about 1/10 mile south of Lawrence Welk Drive Comment
  SD165762  Sonchus asper subsp. asper Dick Schwenkmeyer, Jan Maxted 2005-4-10 121 San Diego Jamul, North side of Lyons Peak, Honey Springs Road to N on Bratton Valley Rd to N on Granite Oaks Rd. 860 Comment
  SD166316  Sonchus asper subsp. asper Jon P. Rebman, Jeannie Gregory 2004-5-11 10199 San Diego Sycuan Peak Ecological Reserve (California Dept. of Fish & Game): southeast of Dehesa, south of Loveland Reservoir on the lower north side of Sycuan Peak; Sweetwater River watershed in Sloane Canyon 284 Comment
  SD166318  Sonchus asper subsp. asper Jon P. Rebman, Jeannie Gregory 2004-5-25 10432 San Diego Rancho Jamul Ecological Reserve: west of Hwy. 94, south of Jamul & north of Otay Lakes Road; southwest part of reserve in a small dry pond just southwest of the old cement furnace 214 Comment
  SD166884  Sonchus asper subsp. asper Jon P. Rebman, J. Gregory & parabotany team 2004-8-20 10666 San Diego Lake Sutherland: north of Hwy. 78 between Ramona and Santa Ysabel; dry lakebed at southeast end of lake 605 Comment
  SD167758  Sonchus asper subsp. asper Barbara Sullivan, Nan Criqui 2005-1-16 93 San Diego City of San Diego, along Carmel Valley Rd Northeast of Los Penasquitos Lagoon 14 Comment
  SD167759  Sonchus asper subsp. asper Jim Lightner 2005-3-10 223 San Diego 3.5 mi SE of Alpine. Lucky Light Ranch (inholding in Cleveland National Forest) N off of Bell Bluff Truck Trail, ~0.5 mi E of Bell Bluff, south of Sweetwater River 868 Comment
  SD167760  Sonchus asper subsp. asper Jeannie Gregory, Joe Barth 2005-7-23 1852 San Diego Town of Alpine, Viejas West private property, 1.6 miles WSW of Viejas Mountain summit, 0.6 miles NW of intersection of Anderson Road and Victoria Drive 601 Comment
  SD167761  Sonchus asper subsp. asper Jeannie Gregory, John Gregory 2005-7-31 1881 San Diego Double S Ranch(on road to Lower Lake), N of Angel Mountain Road, 11 mi NW of Santa Ysabel, 2 mi W of Lake Henshaw, 4 mi E of Pine Mountain summit 1021 Comment
  SD168450  Sonchus asper subsp. asper Jon P. Rebman, Parabotanists 2005-3-4 11055 San Diego City of La Mesa, east of San Diego; northwest side of Lake Murray on City MSCP property 174 Comment
  SD168451  Sonchus asper subsp. asper Jon P. Rebman, J. Gregory, M. Mulligan, & K. Rich 2005-3-3 11040 San Diego Otay Mountain Ecological Reserve (California Dept. of Fish & Game): Southeast of Otay Lake; approx. 1.6 miles south of Otay Lakes Road 353 Comment
  SD169378  Sonchus asper subsp. asper Jeannie Gregory, Joe Barth 2005-6-11 1491 San Diego Alpine, Wright's Field Preserve, 1 mile S of Interstate 8 on Tavern Road; E of Joan MacQueen Middle School 573 Comment
  SD172775  Sonchus asper subsp. asper Claude Edwards 2004-3-26 35 San Diego SW Otay Mesa. Mesa-top south of Finger Canyon, at the intersection of an E-W dirt road with a N-S cross-mesa road. ~1.0 mile S of inters of Route 905 & Caliente Ave, ~1.5 mile SW of Brown Field. 134 Comment
  SD172776  Sonchus asper subsp. asper MaryAnn Brooks-Gonyer, Beverly Pecunia 2005-5-23 233 San Diego About 10 miles north of city of Escondido, east of Champagne Blvd, at intersection with Gopher Canyon Road. Comment
  SD173962  Sonchus asper subsp. asper Judy Carlstrom, Kristina Solis, Matthew Wetzal, Christian 2005-3-17 111 San Diego North of North Broadway School at 2301 N Broadway, E of I-15 in Escondido. 235 Comment
  SD175369  Sonchus asper subsp. asper Jon P. Rebman, J. Gregory, K. Rich, Z. Principe 2006-4-27 12490 San Diego Monte Vista Ranch (owned by The Nature Conservancy): S of Ramona, NW of San Vicente Reservoir; S of San Vicente Road along Chuckwagon Road onto the Ranch; near the electric lines just N of Longs Gulch 347 Comment
  SD175370  Sonchus asper subsp. asper Jon P. Rebman, J. Gregory, M. Mulligan, & J. Barth 2005-8-13 12296 San Diego San Vicente Reservoir: North of Lakeside, east of Hwy. 67, northeast of intersection between Moreno Ave. and Vigilante Road; northwest side of reservoir in a marshy drainage 199 Comment
  SD175371  Sonchus asper subsp. asper Jon P. Rebman, Jeannie Gregory 2006-4-21 12390 San Diego Loveland Reservoir (land owned by the Sweetwater River Valley Authority): S of Alpine, S of Japatul Valley Road and E of its junction with Dehesa Rd.; NE end of lake near the trail from the Fishing Access parking lot 417 Comment
  SD175718  Sonchus asper subsp. asper Jon P. Rebman, M. Mulligan, K. Rich, M. White & J. Stallcup 2005-9-11 12324 San Diego Long Portrero area: NE of Tecate, SW of Morena Reservoir; ca. 3 miles N of Hwy. 94 and north of Portrero Valley Road on a dirt road; vicinity of a small pond 740 Comment
  SD177286  Sonchus asper subsp. asper Andrea Harrison, Ian Harrison 2005-3-5 55 San Diego La Mesa, 1/4-1/2 mile north on fireroad directly off north end of Lake Murray Blvd, just W of Grossmont College. 259 Comment
  SD177886  Sonchus asper subsp. asper Jon P. Rebman, Jeannie Gregory 2007-3-25 13046 San Diego Cleveland National Forest: Pine Creek Wilderness; north of Barrett Lake, southeast of Alpine; north of the Horsethief Canyon Trailhead on Lyons Valley Road, along a trail in the bottom of Horsethief Canyon; note that this area was partially burned in 2006 634 Comment
  SD177887  Sonchus asper subsp. asper Jon P. Rebman, Michael Wall 2007-4-19 13080 San Diego Poser Mountain (Cleveland National Forest): NE of Alpine and Viejas Indian Reservation; N of Old Viejas Grade Road on the S-facing slope of the mountain 1029 Comment
  SD177888  Sonchus asper subsp. asper Jon P. Rebman, J. Gregory, K. Rich, M. Wall 2006-5-18 12728 San Diego Monte Vista Ranch (owned by The Nature Conservancy): S of Ramona, NW of San Vicente Reservoir; S of San Vicente Road along Chuckwagon Road onto the Ranch; western portion of Ranch, along riparian zone N of Daney Canyon 302 Comment
  SD178737  Sonchus asper subsp. asper Victoria Marshall 2006-5-11 166 San Diego Boulder Oaks County Park ca. 2I(c) mi ENE of the junction of Highway 67 and Scripps Poway Parkway; S of Ramona. 448 Comment
  SD178738  Sonchus asper subsp. asper Ian Cain, Barbara Sullivan, Stephanie Glenn 2006-4-1 153 San Diego City of Vista. The Anstine-Audubon Bird Sanctuary. 170 meters north of intersection of Hutchinson Street and Osborne Street, 63 meters northeast of the home. 96 Comment
  SD178739  Sonchus asper subsp. asper Ian Cain, Nova Fraser, Michelle Averbeck, Phil Lambert 2006-4-29 241 San Diego City of Lakeside. Silverwood Wildlife Sanctuary. 13003 Wildcat Canyon Road. North section of parking area. 455 Comment
  SD178740  Sonchus asper subsp. asper Melvin M. Sweet 2006-4-26 328 San Diego City of San Diego (La Jolla). On canyon slopes surrounding business at 4320 Westerra Court; 0.5 mi NW of inters of Genesee Ave and Eastgate Mall, btwn I-5 and I-805. 105 Comment
  SD179790  Sonchus asper subsp. asper Jon P. Rebman, J. Gregory and L. Aerne-Hains 2007-7-9 13613 San Diego Lake Henshaw: SE of East Grade Road and E of Henshaw Truck Trail, approx. 1.3 air miles E of the dam; along the stream feeding into the NE portion of the Lake and on the NE shore 819 Comment
  SD179791  Sonchus asper subsp. asper Jon P. Rebman, J. Gregory and L. Aerne-Hains 2007-7-9 13686 San Diego Lake Henshaw: SE of East Grade Road and S of Henshaw Truck Trail, approx. 0.5 air miles NE of the dam; along the north shore of the Lake 815 Comment
  SD179792  Sonchus asper subsp. asper Jon P. Rebman, P. Famolaro & Parabotany Team 2007-8-8 13802 San Diego Loveland Reservoir: S of Alpine and Japatul Valley Road; along the south shore, 0.3 air miles E of the dam located at the southeast end of the reservoir 413 Comment
  SD179793  Sonchus asper subsp. asper Jon P. Rebman, Parabotanist team 2007-5-8 13482 San Diego Barrett Lake: just south of the dam, along the bottom of the dam and on the canyon floor just east of Barrett Lake Road 459 Comment
  SD179794  Sonchus asper subsp. asper Jon P. Rebman, J. Gregory, M. Mulligan & J. Rocks 2007-4-23 13197 San Diego Camp Pendleton Marine Corps Base: Santa Margarita Mountains, Echo Training Area, just east of Artillery Firing Range 40, northeast of Roblar Road, along road 790 Comment
  SD182014  Sonchus asper subsp. asper Richard L. Breisch, Susan L. Breisch 2006-7-1 229 San Diego Lake Morena County Park, along edge of S side of Lake Morena near end of paved part of Morena Reservoir Rd. Would be in reservoir during high water years. In drainage leading to lake. 915 Comment
  SD183783  Sonchus asper subsp. asper Sharon Paulin 2004-7-26 85 San Diego Corte Madera Ranch, Oak Valley, ca. 1I(c) mi S of gate entrance of Ranch (and I-8) on Corte Madera Rd, near dammed pond. 1120 Comment
  SD183784  Sonchus asper subsp. asper Margaret R. Mulligan, Joe Barth 2005-6-20 1213 San Diego Black Mountain, Cleveland National Forest (Palomar Ranger District), NE of Ramona. 0.7 mi W of peak of Black Mountain near old mining road along Black Mountain Truck Trail. 1002 Comment
  SD183785  Sonchus asper subsp. asper Elizabeth P. Lowe, Rachel Lowe & Grace Lowe 2006-4-30 63 San Diego San Marcos. Approx. I(c) mi south on Camino de la Cima from its intersection with La Moree Rd. 323 Comment
  SD183786  Sonchus asper subsp. asper Elizabeth P. Lowe 2006-5-26 116 San Diego San Marcos. E of La Moree Park, just NW of the bend of the road on Sandy Lane, N of La Moree Rd and S of Hwy 78. 239 Comment
  SD183787  Sonchus asper subsp. asper Valerie Quate, Victoria Marshall 2006-5-24 45 San Diego Poway, W side of Boulder Mountain, on the Del Poniente Trail, ca. I(c) mi ESE of the intersection of Monte Vista Rd with Pomerado Rd. 284 Comment
  SD184679  Sonchus asper subsp. asper David DiDonato 2006-4-22 53 San Diego Otay Mountain Ecological Reserve (California Dept of Fish & Game): East of Otay Lake, I(c) mi South of Otay Lakes Road. 228 Comment
  SD184680  Sonchus asper subsp. asper Larry Hendrickson 2006-5-7 1327 San Diego Banner. About 100 feet SE of the Banner Recreation Ranch parking lot, south side of State hwy. 78 in a clearing that was the old historic road to Julian. 839 Comment
  SD185564  Sonchus asper subsp. asper Larry Hendrickson, L. Louise Jee 2006-7-1 1712 San Diego Cuyamaca Rancho State Park. Soapstone Grade Fire Road, 0.7 air mi. south of intersection with County hwy. S-1 and entry gate to La Cima camp (CDF). 1381 Comment
  SD186688  Sonchus asper subsp. asper Jon P. Rebman, Margie Mulligan 2008-5-16 15205 San Diego Del Dios Highlands County Preserve: SW of Escondido, just west of S-6 (Del Dios Highway) and NW of Lake Hodges; S of the main road/trail through the preserve in a riparian area 199 Comment
  SD186689  Sonchus asper subsp. asper Jon P. Rebman 2008-5-7 15044 San Diego Hauser Wilderness: Cleveland National Forest; W of Morena Reservoir and E of Barrett Lake, canyon N of Stokes Valley along Skye Valley Road 901 Comment
  SD186690  Sonchus asper subsp. asper Jon P. Rebman 2008-5-7 15104 San Diego Hauser Wilderness: Cleveland National Forest; W of Morena Reservoir and NE of Barrett Lake, canyon W of Stokes Valley and S of Corral Canyon, hiked along trail S of Skye Valley Road 815 Comment
  SD186691  Sonchus asper subsp. asper Jon P. Rebman, Margie Mulligan 2008-5-1 14871 San Diego Hellhole Canyon Open Space Preserve: east of Valley Center and northeast of Lake Wohlford; southeast portion of preserve, approx. 0.2 miles NW of main parking area and kiosk 583 Comment
  SD187757  Sonchus asper subsp. asper Michael G Simpson 2006-5-24 2717 San Diego Iron Mountain, Poway, near southeastern edge of pond, just NE of inters of Poway Rd and Hwy 67, ca. 1 mile northwest of Iron Mountain peak. 518 Comment
  SD190974  Sonchus asper subsp. asper Layla Aerne Hains, J. Schlachter, J. Gregory, M. Mulligan 2006-6-30 142 San Diego Town of Potrero, Hauser Mountain, Harris Ranch Rd, near old house site; ca. 3 mi N of Canyon City at Highway 94, ca. 4 mi W of Cameron Corners (inters of Hwy 94 & Buckman Springs Rd). 1099 Comment
  SD190975  Sonchus asper subsp. asper Ian Cain, J. Thorngren, R. Humphrey, D. Driscoll 2007-5-27 506 San Diego City of Lakeside. Silverwood Wildlife Sanctuary. 13003 Wildcat Canyon Road. 0.37 mi E of Wildcat Canyon Road, 0.27 mi N of Blue Sky Ranch Road, 300 meters south along stream bed east of residence 480 Comment
  SD190976  Sonchus asper subsp. asper Ian Cain, E. Clayton, D. Driscoll, R. Humphrey 2007-4-15 383 San Diego City of Solana Beach. San Elijo Ecological Reserve, E of Interstate 5, SE of Manchester Ave, N of El Camino Real, SE section. 120 meters north of trail intersection north of Santa Helena entrance 0 Comment
  SD192391  Sonchus asper subsp. asper Jim Rocks, M. Mulligan, W. Schmidtmann, D. Bieber, M. Dinkins 2007-5-10 391 San Diego Camp Pendleton Marine Corps Base, Delta Training Area, San Mateo Canyon adjacent to perennial pool in San Mateo Creek, ca. 4 mi NE of HOLF, just E of Artillary Firing Area A. 124 Comment
  SD192392  Sonchus asper subsp. asper Margaret R. Mulligan, J. Gregory, J. Rocks 2007-3-26 1756 San Diego Camp Pendleton Marine Corps Base, on cliffs above Blue Beach Training Area, 0.2 mi NW of the Santa Margarita River outlet/estuary into the Pacific Ocean. 13 Comment
  SD192393  Sonchus asper subsp. asper Jeannie Gregory, J. Litchewski, B. Pecunia, Z. Principe 2007-5-15 2417 San Diego Ramona, The Nature Conservancy, Davis Eagle Ranch, 1I(c) miles N of Ramona Airport, ca 1 mile ENE of Rangeland Road 530 Comment
  SD192395  Sonchus asper subsp. asper Jim Rocks, J. Gregory, M. Mulligan, M. Dinkins 2007-5-2 243 San Diego Camp Pendleton Marine Corps Base, Delta Training Area. Steep slopes along Roblar Road, ca. I(c) mi NW of its junction with Jardine Canyon Road. 376 Comment
  SD192396  Sonchus asper subsp. asper Victoria Marshall 2007-3-1 466 San Diego Poway, on the South Poway Trail 0.25 mi east of Community Rd and 0.25 mi south of Poway Rd. 210 Comment
  SD193640  Sonchus asper subsp. asper Margaret R. Mulligan, J. Gregory, S. Leininger 2007-4-9 1881 San Diego Camp Pendleton Marine Corps Base, Santa Margarita River, on North River Road ca. 2 miles NW of its intersection with Macs Road (accessed by Stuart Mesa). 14 Comment
  SD193641  Sonchus asper subsp. asper Margaret R. Mulligan, J. Gregory, J. Rocks 2007-4-17 1921 San Diego Camp Pendleton Marine Corps Base, Case Springs within Echo Training Area. Land surrounding southern pond, W of Case Springs Rd (Roblar Rd). 703 Comment
  SD193642  Sonchus asper subsp. asper Jeannie Gregory, J. Litchewski, B. Pecunia 2007-5-15 2513 San Diego Ramona, The Nature Conservancy, Ramona Grasslands Preserve, 2 mi W of Ramona Airport, I(c) NW of intersection of Highland Valley Road and Rangeland Road, just S of Santa Maria Creek 416 Comment
  SD193643  Sonchus asper subsp. asper Mike D. Angel 2006-6-18 504 San Diego El Capitan Open Space Preserve. Wildcat Canyon Road Entrance. 3 miles east of San Vincente Reservoir. 1.5 miles south of Barona. About 4 miles North of I-8. Near 1 mile marker on trail. 590 Comment
  SD197198  Sonchus asper subsp. asper Jon P. Rebman, L. Aerne-Hains, J. Gregory, & C. Brennan 2009-5-28 17860 San Diego Cleveland National Forest: Northeast of El Cajon Mountain, west of the San Diego River, and south of Barona Mesa; along El Cajon Mountain Truck Trail 669 Comment
  SD197199  Sonchus asper subsp. asper Jon P. Rebman, L. Aerne-Hains & J. Gregory 2009-5-21 17773 San Diego Cleveland National Forest: Southeast of El Cajon Mountain; west of the El Capitan Reservoir, along El Cajon Mountain Truck Trail 594 Comment
  SD197200  Sonchus asper subsp. asper Jon P. Rebman, M. Mulligan & M. Dinkins 2009-5-6 17492 San Diego Camp Pendleton Marine Corps Base: Bravo Three Training Area in the northwestern portion of base; southwest of San Mateo Road in the San Mateo riverbed 39 Comment
  SD197201  Sonchus asper subsp. asper Jon P. Rebman, M. Mulligan & M. Dinkins 2009-5-6 17380 San Diego Camp Pendleton Marine Corps Base: Alpha One Training Area in the northwestern portion of base; north of Basilone Road along San Juan Road and in the adjacent riverbed of Jardine Canyon 64 Comment
  SD198271  Sonchus asper subsp. asper Larry Hendrickson 2007-4-21 2018 San Diego Julian, Chariot Canyon, 2I(c) miles E of Inspiration Point on Hwy 79, at end of washed out mining road west of Chariot Canyon Rd. 0.3 mi. south of Lucky Strike Mine. 1013 Comment
  SD198272  Sonchus asper subsp. asper Carrie Schneider, Julie Taylor 2008-4-5 203 San Diego West of Encanto, Chollas Radio Canyon Open Space, South of Chollas Valley, North of Market St, just west of the intersection of Bollenbacher St. and Kenwood St. 70 Comment
  SD199057  Sonchus asper subsp. asper Jon P. Rebman, Karen Rich and Jerry Green 2009-6-9 18048 San Diego Cuyamaca Rancho State Park: East of Middle Peak and south of Cuyamaca Lake; in the open meadow just south of the junction of Highway 79 and Milk Ranch Road 1428 Comment
  SD200725  Sonchus asper subsp. asper Margaret R. Mulligan, J. Rocks, K. Mabb, M. Dinkins 2008-4-23 2484 San Diego Camp Pendleton Marine Corps Base, Juliett Training Area, ca. 1 mi E of the intersection of Vandegrift Blvd and Fallbrook Road, ca. I(c) mi ESE of De Luz Homes housing area 1A| mi NW of Morrow Hill. 84 Comment
  SD200726  Sonchus asper subsp. asper Margaret R. Mulligan, J. Gregory, S. Leininger 2007-4-9 1795 San Diego Camp Pendleton Marine Corps Base. Santa Margarita River, North side of estuary/outlet to Pacific Ocean, just West of I-5. 3 Comment
  SD200727  Sonchus asper subsp. asper Margaret R. Mulligan, W. Schmidtmann, K. Mabb 2008-3-26 2159 San Diego Camp Pendleton Marine Corps Base, Papa One Training Area, west side of Pulgas Lake. 120 Comment
  SD200728  Sonchus asper subsp. asper Margaret R. Mulligan, J. Gregory, S. Leininger 2007-4-9 1835 San Diego Camp Pendleton Marine Corps Base. Santa Margarita River, on road parallel to river just east of Stuart Mesa Road. 0 Comment
  SD201417  Sonchus asper subsp. asper Margaret R. Mulligan, W. Schmidtmann, K. Mabb 2008-3-26 2143 San Diego Camp Pendleton Marine Corps Base, along NW side of Pulgas Lake, Papa One Training Area. 116 Comment
  SD201418  Sonchus asper subsp. asper Margaret R. Mulligan, J. Rebman, B. Ladiere 2009-4-9 2889 San Diego Camp Pendleton Marine Corps Base, Juliet Training Area, along tributary of San Luis Rey River, just E of San Luis Rey Housing Area. 79 Comment
  SD201420  Sonchus asper subsp. asper Margaret R. Mulligan, J. Rocks, M. Dinkins 2009-5-12 3048 San Diego Camp Pendleton Marine Corps Base, Hotel Training Area, along Camp De Luz Road which runs along De Luz Creek, ca. 2 mi N of Camp De Luz. 71 Comment
  SD204149  Sonchus asper subsp. asper Carolyn Martus 2008-3-19 467 San Diego Northeast of Fallbrook. North side of the Santa Margarita River,about 0.15 milse west of the Willow Glen trailhead. And about 1.75 miles (by air) northwest of Red Mountain Lookout. 131 Comment
  SD204150  Sonchus asper subsp. asper Barbara Booth, Justin M. Wood 2009-5-3 145 San Diego SW of Oak Grove, Rattlesnake Canyon, Cleveland National Forest, at bottom of canyon. 949 Comment
  SD204151  Sonchus asper subsp. asper Victoria Marshall 2008-4-17 764 San Diego Sycamore Canyon Preserve, Poway. Ca. 1 mi SW of intersection Scripps Poway Pkwy and Hwy 67 and 0.25 miles SE of Sycamore Canyon Road and Calle de Rob 360 Comment
  SD204152  Sonchus asper subsp. asper Victoria Marshall 2008-2-11 692 San Diego Miramar Reservoir, city of San Diego, accessed from Scripps Lake Rd ca. 0.75 mi east of intersection of Scripps Ranch Blvd and Scripps Lake Dr., along the reservoir perimeter road at the ENE finger of Lake Miramar 221 Comment
  SD205508  Sonchus asper subsp. asper Karen Rich, Gary Erbeck 2008-3-23 311 San Diego Del Mar, Gonzales Canyon Open Space Preserve, just E of Torrey Highlands Park, about 200 yds N of trailhead at intersection of Lansdale Dr. and Brixton Pl., W-facing side of canyon 66 Comment
  SD206563  Sonchus asper subsp. asper Jon P. Rebman, L. Aerne Hains & parabotany volunteers 2010-7-8 19963 San Diego Cleveland National Forest: Cutca Valley on the lower northern slope of Palomar Mountain; along Cutca Valley Truck Trail 1039 Comment
  SD206564  Sonchus asper subsp. asper Jon P. Rebman, J. Schlachter, L. Aerne Hains, & volunteers 2010-6-30 19853 San Diego Hauser Mountain area: northwest of Campo: approximately 2.3 miles south of Lake Morena; on Bureau of Land Management lands along dirt road and meadow surrounded by chaparral 975 Comment
  SD206565  Sonchus asper subsp. asper Jon P. Rebman, L. Aerne Hains, J. Schlachter, & parabotany team 2010-6-3 19492 San Diego Bureau of Land Management (BLM) Property: northeast of Ramona; south of Hwy. 78 and north of Old Julian Hwy. 683 Comment
  SD207677  Sonchus asper subsp. asper Kathleen A Mauro, Andrew Mauro 2008-5-1 28 San Diego Ewing Preserve in Rancho Santa Fe, approx. 0.8 mi on the E side of Linea Del Cielo (S-8) from its intersection with La Granada (S-9), just N of La Sencilla. 75 Comment
  SD209623  Sonchus asper subsp. asper Jon P. Rebman, J. Schlachter, L. Aerne Hains, & volunteers 2010-8-15 20257 San Diego Southwest of Combs Peak: canyon off of Chihuahua/Lost Valley Road just east of Sky Oaks Field Station; on Bureau of Land Management lands 1399 Comment
  SD209624  Sonchus asper subsp. asper Jon P. Rebman, J. Schlachter, L. Aerne Hains, & volunteers 2010-8-14 20100 San Diego Along Cooper Cienega Truck Trail: S of the Riverside/San Diego County border and N of Chihuahua Valley Road; on Bureau of Land Management lands in the vicinity of a pond and canyon below 1200 Comment
  SD209625  Sonchus asper subsp. asper Jon P. Rebman, J. Schlachter, L. Aerne Hains, & volunteers 2010-6-30 19820 San Diego Southwest of Campo: South of Highway 94; on Bureau of Land Management lands along wet canyon/streambed near dirt road and approximately 0.6 miles north of the USA/Mexico border 765 Comment
  SD210077  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann and volunteers 2010-11-16 20445 San Diego Camp Pendleton: India Training Area; west of the Santa Margarita River; along De Luz Creek in the vicinity of Camp De Luz 60 Comment
  SD210793  Sonchus asper subsp. asper Jeannie Gregory, M. A. Kessler, M. Dykens, K. Rich 2010-5-22 3486 San Diego Torrey Pines State Park, Bio Blitz, along Torrey Pines Park Road, vicinity just S of park headquarters 99 Comment
  SD210794  Sonchus asper subsp. asper Carolyn Martus 2006-6-8 255 San Diego Camp Pendleton, 350 yds NW of intersection Elliott St. and West Barnett Circle, about I(c) mi E of Vandegrift Blvd, southeast corner of the base near the horse stables. 56 Comment
  SD213007  Sonchus asper subsp. asper Jon P. Rebman, Warren Schmidtmann 2011-3-17 20684 San Diego Camp Pendleton: east of I-5 and just north of the Las Pulgas Road entry/guard station, in disturbed areas on the north side of the parking lot 29 Comment
  SD214836  Sonchus asper subsp. asper Larry Hendrickson 2009-5-8 3901 San Diego Mesa Grande, San Dieguito River Park, Joint Powers Authority property. 2.4 air miles WNW of intersection of State hwy. 78-79 and 2.6 air miles SSW of intersection of Mesa Grande Road and access road to property. 856 Comment
  SD214837  Sonchus asper subsp. asper Larry Hendrickson 2009-5-24 4038 San Diego Mesa Grande. San Dieguito River Park, Joint Powers Authority property. 2.8 air miles WNW of the intersection of State hwy. 78-79 and 2.4 air miles SSW of access gate at Mesa Grande Road. West side of pond (Pond #3) in a tributary of Santa Ysabel Creek. 857 Comment
  SD215417  Sonchus asper subsp. asper Darin L. Banks 1997-4-8 1802 San Diego Wilderness Gardens Preserve. Approximately 3.4 miles east of Pala south of Highway 76 along the San Luis Rey River. Areas along the main trail network from the parking area along the primary driveway within the river bottom, to higher slopes. 162 Comment
  SD215915  Sonchus asper subsp. asper Jon P. Rebman, John Martin and SDNHM volunteers 2011-4-27 21257 San Diego San Diego National Wildlife Refuge: southeast of Sweetwater Reservoir; west side of Mother Miguel Mountain; in a small canyon and on the grassland slopes around it 164 Comment
  SD215916  Sonchus asper subsp. asper Jerilyn Hirshberg 2009-8-8 2190 San Diego Cleveland National Forest, NW of Cuyamaca Mtns, 0.5 mile south of gate to McGee Flat on Eagle Peak Road, about 1.6 miles SW of intersection of Eagle Peak Road with Boulder Creek Road 1160 Comment
  SD216834  Sonchus asper subsp. asper Jon P. Rebman, John Martin & SDNHM Botany volunteers 2011-5-19 21701 San Diego San Diego National Wildlife Refuge: East of Rancho San Diego; on the lower west side of McGinty Mountain 424 Comment
  SD216835  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann, B. Lardiere, & E. Cunningham 2011-4-22 21183 San Diego Camp Pendleton: Victor Training Area; south of Las Pulgas Road, west of I-5, on coastal mesas and canyons above the beach; northwest of the rest stop on I-5 southbound 14 Comment
  SD217596  Sonchus asper subsp. asper Jeannie Gregory, V. Marshall, J. La Grange, Z. Principe 2009-6-11 3233 San Diego Mesa Grande, Nature Conservancy (Wheatly Property), 2 miles W of Morettis Junction (Pala Road & Hwy 79) E of Mesa Grande Road, 2.5 miles S of dam at Lake Henshaw 1032 Comment
  SD218606  Sonchus asper subsp. asper Jeannie Gregory, J. Rebman, K. Rich, J. LaGrange 2009-5-1 3023 San Diego Mission Trails Regional Park, 2.41miles SE of Hwy 52 and Santo Road, 0.43 miles NW of Mission Gorge Road and Jackson Drive, at trailhead near river bed 53 Comment
  SD218607  Sonchus asper subsp. asper Jeannie Gregory, L. Aerne Hains, E. Piehel, M. A. Hawke 2009-3-31 2872 San Diego Santee, just W of terminus of Mast Blvd, I(c) mile NNW of intersection Riverford Road and Hwy 67, N of San Diego River, E side of a hill with a water tank 113 Comment
  SD219375  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann & G. Kenney 2012-2-16 22411 San Diego Camp Pendleton: at Lake O'Neill; south of the hospital and east of Santa Margarita Road; on the east end of the lake along the trail around the lake 35 Comment
  SD219376  Sonchus asper subsp. asper Jon P. Rebman, Warren Schmidtmann & Victoria Marshall 2011-3-29 20996 San Diego Cleveland National Forest: ENE of Eagle Peak; along a dirt road off of Boulder Creek Road, above the pond in Kelly Creek 800 Comment
  SD219377  Sonchus asper subsp. asper Jon P. Rebman, John Martin & volunteers 2011-5-31 21995 San Diego San Diego National Wildlife Refuge: East of Bonita and just south of the Sweetwater Reservoir; Shinohara Vernal Pool area 89 Comment
  SD220248  Sonchus asper subsp. asper Michael G. Simpson 2010-5-16 3230 San Diego Mission Trails Regional Park. Rocky slope, north of creek, north of hiking trail, ca. 1.2 miles northeast of Cowles Mountain peak. 185 Comment
  SD221589  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann, L. Aerne & V. Marshall 2011-8-23 22310 San Diego Cleveland National Forest: around a large pond in Ritchie Creek just north of Eagle Peak Road; east side of pond 844 Comment
  SD223353  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann, G. Kenney, et al. 2012-3-28 23113 San Diego Camp Pendleton: Training Area Romeo II; San Onofre Mountains: east of I-5 and southwest of San Onofre Peak, along San Onofre Peak Road and surrounding slopes 280 Comment
  SD223354  Sonchus asper subsp. asper Jon P. Rebman, J. Green, V. Marshall, D. Sinclair, C. Brennen 2012-5-2 23627 San Diego Cleveland National Forest: Buckman Springs area, E of Morena Reservoir; along the creek in the vicinity of The Narrows east of Buckman Springs Road 960 Comment
  SD225473 Image available Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann and G. Kenney 2012-5-22 24014 San Diego Camp Pendleton: Training Area Romeo II; southeast of San Onofre Peak; along Horno Canyon Road east of El Camino Real and I-5 210 Comment
  SD226013  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann, V. Marshall, M. Sweet, T. Barckley 2012-5-8 23701 San Diego McCain Valley area: north of Boulevard and I-8; east of the junction of McCain Valley Road and Lost Valley Road in Lost Valley 1150 Comment
  SD228137  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann, J. Green, V. Marshall,T. Barckley 2012-5-31 24545 San Diego Lake Hodges: south of Escondido; southeast of the intersection of Lake Drive and Beech Lane; north side of Lake along the shore near a small walking pier and adjacent habitats 99 Comment
  SD230474  Sonchus asper subsp. asper Jon P. Rebman, John LaGrange & Jerry Greene 2012-6-7 24725 San Diego Barrett Lake: on Pig Point along the west side of Barrett Lake and just east of Barrett Lake Road 490 Comment
  SD231569  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-3-27 25666 San Diego Camp Pendleton: northwest portion of Base; Training Area Finch; east of Basilone Road and just off of San Juan Road along San Onofre Creek 74 Comment
  SD231570  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-4-24 26041 San Diego Camp Pendleton: central portion of Base; Training Area Kilo One; off of a dirt road west of Basilone Road, in the bottom of a canyon near a pond 79 Comment
  SD235274  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-5-7 26268 San Diego Camp Pendleton: northeast portion of Base; Training Area Hotel; northwest of Fallbrook, just south of De Luz Road along the Santa Margarita River 79 Comment
  SD235275  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-5-1 26199 San Diego Camp Pendleton: central portion of Base; Training Area India; northeast of Basilone Road and east of Roblar Road; along a canyon bottom south of a dirt road 124 Comment
  SD235916  Sonchus asper subsp. asper Joe Barth 2011-7-1 1809 San Diego Bear Valley Rd, Descanso District of Cleveland National Forest. ~2.2 miles air ~SSE of downtown Pine Valley. 1.3 miles air ~E of Long Valley Pk. 1385 Comment
  SD238071  Sonchus asper subsp. asper Jon P. Rebman, J. Green, T. Barckley, C. Brennen, J. Carlstrom 2012-6-19 24890 San Diego Daley Ranch: northeast of Escondido; west of Co. Hwy. S6 and north of Dixon Lake; along Creek Crossing Trail in canyon of Jack Creek 370 Comment
  SD238635  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann & G. Kenney 2014-4-22 27913 San Diego Camp Pendleton: northwestern portion of Base; San Mateo Creek just west of Guacamole Road and near the convergence with Cristianitos Creek 21 Comment
  SD238636  Sonchus asper subsp. asper Jon P. Rebman, W. Schmidtmann & G. Kenney 2014-4-30 28066 San Diego Camp Pendleton: State Park Lease area: northwestern portion of Base; along the west side of Cristianitos Road approx. 1 mile north of the entrance to the Base & east of Cristianitos Creek 49 Comment
  SD241266  Sonchus asper subsp. asper Warren Schmidtmann 2011-7-21 286 San Diego Cleveland National Forest; on a hill between Ritchie Creek and Deadman Flat 1.2 miles N of Eagle Peak Road; near manmade pond 997 Comment
  SD242525  Sonchus asper subsp. asper Warren Schmidtmann, John La Grange 2013-4-10 361 San Diego Tecate Peak; on road to Tecate Peak near Box Spring; 2.58 miles W of junction Tecate Mission Road and Highway 188 (Tecate Road). 693 Comment
  SD242526  Sonchus asper subsp. asper Melvin M. Sweet 2009-8-15 841 San Diego Anza-Borrego Desert State Park, Coyote Canyon; near the Second Crossing; about 7.8 miles NW of the intersection of DiGiorgio Rd and Highway S22. 340 Comment
  SD243589  Sonchus asper subsp. asper John LaGrange 2011-5-14 853 San Diego Cleveland National Forest; Guejito Truck Trail, about 0.5 miles S of intersect with Orozco Truck Trail, upper end of Boden Canyon where the old road crossed the creek and climbed out to the east 449 Comment
  SD243590  Sonchus asper subsp. asper Christopher Kopp, Janel Kopp 2009-4-11 1418 San Diego Miramar; Elliot Chaparral Reserve; on dirt road 0.86 mile E of intersection with Pomerado Road; rocky slope bordering south tending seasonal wash 192 Comment
  SD243591  Sonchus asper subsp. asper Larry Hendrickson 2011-6-12 5396 San Diego Volcan Mountain, Volcan Mountain Foundation property. 4.3 air miles N of Julian and 0.4 air mile N and upslope from Ironside Spring, a few yards S of Volcan Road in area formerly known as HunterAs Camp. 1074 Comment
  SD243592  Sonchus asper subsp. asper Larry Hendrickson 2011-5-31 5356 San Diego Pine Hills, Pine Hills Road (Eagle Way on some maps), 3.0 air miles SW of Julian and 0.5 mile SE of intersection with Boulder Creek Road. 1230 Comment
  SD243593  Sonchus asper subsp. asper Larry Hendrickson 2011-5-19 5335 San Diego Volcan Mountain, Volcan Mountain Foundation property. 4.3 air miles N of Julian and 0.4 air mile N and upslope from Ironside Spring, a few yards S of Volcan Road in area formerly known as HunterAs Camp. 1526 Comment
  SD244966  Sonchus asper subsp. asper Jon P. Rebman, Layla Aerne-Hains, Carl Bell, & David Thompson 2014-5-16 28613 San Diego Manzanita Band of Kumeyaay Nation Reservation: northwest of Boulevard; approx. 4.5 miles north of the Golden Acorn Casino & I-8: vicinity of Manzanita Lake 1200 Comment
  SD245679  Sonchus asper subsp. asper Richard L. Breisch 2012-5-11 889 San Diego City of San Diego; Tecolote Canyon Natural Park, east of Tecolote Nature Center; S of Tecolote Road; N of Alcala Parkway 14 Comment
  SD245680  Sonchus asper subsp. asper Richard L. Breisch 2011-6-10 756 San Diego Cleveland National Forest, NE of Morena Lake; north side Corral Canyon Road; near junction with Buckman Springs Road. 940 Comment
  SD245681  Sonchus asper subsp. asper Richard L. Breisch 2011-8-17 829 San Diego Lake Morena County Park; along Cottonwood Creek, just south of Corral Canyon Road about 1.3 mile SW of junction with Buckman Springs Road (S-1). 920 Comment
  SD246768  Sonchus asper subsp. asper Larry Hendrickson, Sharyl Massey 2011-6-26 5423 San Diego Volcan Mountain. Volcan Mountain Foundation property 4.1 air miles NNE of Julian, 0.3 air mile NNE and upslope from Ironside Spring and 0.2 mile S of intersection of Volcan Road and a northern spur road to Oak Ridge area. 1577 Comment
  SD248959  Sonchus asper subsp. asper Larry Hendrickson 2013-5-27 6060 San Diego Pine Hills, Cuyamaca Mountains. William Heise County Park, 3.1 air miles SSE of Julian. Fern Trail, 0.1 mile SE of trailhead at intersection with Harrison Park Road and Cedar Creek bridge crossing. 1251 Comment
  SD248960  Sonchus asper subsp. asper Nancy Nenow 2011-2-28 1662 San Diego Balboa Park; south-east corner between 26th Street and Golf Course Drive on top of mesa; 0.25 mile N intersection Golden Hill Drive and Golf Course Drive 63 Comment
  SD248961  Sonchus asper subsp. asper Mary Jo Churchwell 2012-4-2 607 San Diego Anza-Borrego Desert State Park; Borrego Palm Canyon, about 2.5 miles NW of intersection Hoberg Road and Palm Canyon Drive 305 Comment
  SD249990  Sonchus asper subsp. asper Nancy Nenow 2012-4-3 2424 San Diego Leucadia; north of La Costa Avenue; west side of Highway 5 west of freeway off-ramp; S side of Batiquitos Lagoon 6 Comment
  SD251007  Sonchus asper subsp. asper Mary Jo Churchwell 2012-5-5 652 San Diego Anza-Borrego Desert State Park; E of Ranchita; along Pena Spring Road 0.43 mile N of Montezuma Valley Road (S-22) 1036 Comment
  SD251008  Sonchus asper subsp. asper Mike Bigelow 2013-3-30 413 San Diego Borrego Springs; on E side Di Giorgio Road; 170 yards N of intersection Palm Canyon Drive 170 Comment
  SD252043  Sonchus asper subsp. asper Nancy Nenow, Char Glacy 2011-5-5 1888 San Diego Warner Springs Ranch; along west side of Highway 79; just south of golf course parking lot. 956 Comment
  SD252549  Sonchus asper subsp. asper Nancy Nenow, Alina Levy 2011-4-17 1792 San Diego La Jolla; on bluff; above and about 325 yards SE of Birch Aquarium near parking lot 91 Comment
  SD253035  Sonchus asper subsp. asper Richard L. Breisch 2014-5-18 1103 San Diego City of San Diego; San Clemente Park south side route 52, just SW of junction I-805 and Highway 52; near Kroc Trail & by the creek. 73 Comment
  SD253695  Sonchus asper subsp. asper John LaGrange, Mary Rider 2013-4-21 1223 San Diego Lake Hodges area; San Dieguito River canyon west of foot bridge; 1 mile west of Lake Hodges dam; just S of Del Dios Highway 67 Comment
  SD253696  Sonchus asper subsp. asper Larry Hendrickson 2014-6-14 6421 San Diego Cuyamaca Rancho State Park; west slope of North Peak. Meadow adjacent to Azalea Creek 0.3 mile WNW and downslope from KelleyAs Ditch Trail/fire road, 1.1 air miles NW of peak and 0.7 mile N of intersection with EngineerAs Road. 1463 Comment
  SD253697  Sonchus asper subsp. asper Richard L. Breisch 2014-5-17 1089 San Diego City of San Diego; San Clemente Park south side route 52, just SW of junction I-805 and Highway 52; on Kroc Trail 78 Comment
  SD253698  Sonchus asper subsp. asper Dick Schwenkmeyer 2011-3-28 531 San Diego Santee; Mission Trails Regional Park; 1/4 mi. south of Big Rock trailhead on Mesa Road 149 Comment
  SD254251  Sonchus asper subsp. asper Jon Rebman, W. Schmidtmann, G. Kenney, & P. McConnell 2016-4-8 31409 San Diego Camp Pendleton: northern portion of Base; Charlie Training Area: along ridgetop on Talega Road just north of San Mateo Creek 452 Comment
  SD256431  Sonchus asper subsp. asper Larry Hendrickson 2015-4-11 6599 San Diego Banner Canyon; Bureau of Land Management property; W side of State Route 78 (Banner Grade); 1.7 air miles E of Julian; 2.1 surface miles SE of intersection with Wynola Road. 996 Comment
  SD258078  Sonchus asper subsp. asper Frank Landis, Kye Ok Kim 2013-4-17 2013041702 San Diego Del Mar Mesa; City of San Diego; vicinity 600 yards WSW of the intersection Torrey Santa Fe Road and Camino del Sur; growing in canyon bottom in area disturbed by trail and flooding 91 Comment
  SD258079  Sonchus asper subsp. asper Frank Landis 2015-3-27 32705 San Diego City of San Diego; Del Mar Mesa; 0.30 mile SW of intersection of Highway 56 and Camino del Sur; south of trail in bottom of Deer Canyon. Flora of Del Mar Mesa Project of San Diego City Parks, CDFG, USFWS, and CNPSSD. 106 Comment
  SD259330  Sonchus asper subsp. asper A. C. Sanders, Jim Malusa 2016-3-7 42120 Imperial Chocolate Mountains Aerial Gunnery Range, ca. 3.5 km northeast (66a^z) of Salvation Pass well site. Confluesnce of major washes among rolling gravelly hills. 398 Comment
  SD262003  Sonchus asper subsp. asper Jon Rebman, W. Schmidtmann, M. Mulligan, & G. Kenney 2016-4-6 31315 San Diego Camp Pendleton: northwestern portion of Base; Alpha Two Training Area; San Onofre Creek riparian area east of I-5 and just south of Basilone Road 17 Comment
  SD263381  Sonchus asper subsp. asper Onkar Singh, M. Honer 2015-4-9 5403 San Diego Naval Weapons Station Seal Beach Detachment Fallbrook, North Magazine, study area S, ca. 50 m west of Sidewinder Rd and 85 m north of Shrike Rd. 143 Comment
  SDSU12892  Sonchus asper subsp. asper Michael G. Simpson, Lee Simpson 1998-4-4 4 IV98D San Diego East side of Cowles Mtn., along swithback trail, just below 'meadow,' Mission Trails Regional Park. 274 Comment
  SDSU13897  Sonchus asper subsp. asper Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2144 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  SDSU15661  Sonchus asper subsp. asper Michael G. Simpson, Dinna Estrella & Robert Lauri 2003-4-11 2360 San Diego Point Loma Navy Base, 'Fuel Farm' region. Slope down from asphalt road, ca. 100 feet southeast of warehouse 114. 43 Comment
  SDSU15915  Sonchus asper subsp. asper Ed Woch 2004-4-4 72 San Diego Miramar, west and behind garbage dump at Mast Rd. 221 Comment
  SDSU18759  Sonchus asper subsp. asper C. Matt Guilliams, W. Loeffler, J. MacAller 2008-4-30 648 San Diego Marine Corps Base Camp Pendleton. Santa Margarita River Estuary, south of main channel, ca. 200m east of Interstate 5. 4 Comment
  SDSU21805  Sonchus asper subsp. asper Chie Horita, Michael G. Simpson, Sam Anderson, Danielle Ramirez, Lindsay Rubin 2016-3-17 San Diego San Diego State University, staircase leading from Canyon Crest Drive to Parking lot 15 (formerly X). 99 Comment
  SDSU21806  Sonchus asper subsp. asper Emma Billings, Briahna Gillespie 2016-4-26 3 San Diego San Diego State University Ecological Reserve, north of I-8 from campus, adjacent to creek area, very sun-exposed, on an inclining hill. 41 Comment
  SDSU22087  Sonchus asper subsp. asper Michael G. Simpson, Margaret Mulligan 2017-4-11 4068 San Diego San Diego State University Ecological Reserve, north of I-8 from campus. East region. 97 Comment
  SEINET7990718  Sonchus asper subsp. asper Jon P. Rebman 2000-4-13 6381 San Diego Switzer Canyon, Switzer Canyon . Comment
  SJSU1500  Sonchus asper subsp. asper C. W. Sharsmith 1954-5-21 6157 Santa Clara by Stevens Cr Dam, E slope Santa Cruz Mts 213 Comment
  UC2045115  Sonchus asper subsp. asper Nick Jensen with Onkar Singh, Katie Gallagher, Tim Thomas 2014-5-3 1299 Kern Tejon Ranch. Meadow east of the National Cement Plant and south of the Contour Road. Comment
  UCD133996  Sonchus asper subsp. asper Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1772 Sonoma Sugarloaf Ridge State ParkAbout 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge along the S edge of Sonoma Creek at the parking lot/trail head of Goodspeed Trail. 198 Comment
  UCD136128  Sonchus asper subsp. asper A. S. Crafts 1926-7-8 425 Yolo University Farm Campus, Davis. Comment
  UCD136131  Sonchus asper subsp. asper Daryl Koutnik 1978-3-31 199 Los Angeles west fork of Triunfo Creek near Westlake Village homes. 274 Comment
  UCD136133  Sonchus asper subsp. asper B. Pitzer 1997-4-20 3182 Riverside Lakeview Mountains. Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  UCD136139  Sonchus asper subsp. asper Clifton F. Smith 1944-5-5 801 Santa Barbara West rim of Mission Canyon, Santa Barbara. 365 Comment
  UCD136140  Sonchus asper subsp. asper Clifton F. Smith 1945-6-9 1349 Santa Barbara southwest of Botanic Garden, Mission Canyon, Santa Barbara. Comment
  UCD136145  Sonchus asper subsp. asper Grady L. Webster; Oren Pollak 1992-3-22 7744 Sacramento Consumnes River Preserve, Area 6: just east of Southern Pacific tracks. 1 Comment
  UCD136147  Sonchus asper subsp. asper Collector unknown Date Unknown s.n. Yolo exact location unknown. Comment
  UCD136148  Sonchus asper subsp. asper Collector unknown Date Unknown s.n. Yolo exact location unknown. Comment
  UCD144654  Sonchus asper subsp. asper Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD146250  Sonchus asper subsp. asper Daniel S. Park; K. Yeo 2010-4-16 19 Yolo Davis, 2nd St. roadside. 14 Comment
  UCD151007  Sonchus asper subsp. asper D. S. Park 2010-5-14 87 Yolo UCD Arboretum. Near Creek. 29 Comment
  UCD151028  Sonchus asper subsp. asper D. S. Park 2010-6-1 109 Yolo Dixon. Edges of cornfield across st. from Walmart. 12 Comment
  UCD159465  Sonchus asper subsp. asper D. S. Park 2010-8-13 219 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  UCD160543  Sonchus asper subsp. asper Ellen Dean; Craig Thomsen 2015-3-21 8597 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 220 Comment
  UCD21226  Sonchus asper subsp. asper J. Shepard 2000-4-1 99 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South of entry road after parking lots on S side. 12 Comment
  UCD21311  Sonchus asper subsp. asper J. Shepard 2000-5-20 256 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots on south side. 12 Comment
  UCD46504  Sonchus asper subsp. asper Ellen Dean; Carol Witham and Rod Ries 2005-5-9 2574 Sacramento California: Sacramento County, Deer Creek Hills Reserve. Along Latrobe Rd. at entrance to corral. 67 Comment
  UCD50127  Sonchus asper subsp. asper M. Tu 1999-5-13 239 Sacramento Cosumnes River Preserve Plant Inventory - Seed Bank Plants. 1 Comment
  UCD73164  Sonchus asper subsp. asper Ayzik Solomeshch 2004-4-12 s. n. Merced Great Valley Grasslands State Park, San Joaquin River Basin, 4 mi. south of intersection of Hwy 140 and 165. 10 Comment
  UCD74533  Sonchus asper subsp. asper J. E. Sandoval 1995-4-30 151 Merced Great Valley Grasslands State Park (encompasses the former Fremont Ford State Recreation Area). South of the town of Stevinson, 1 mi. south of Hwy 140 on Hwy 165. 17 Comment
  UCD80924  Sonchus asper subsp. asper Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5327 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo parking area. 9 Comment
  UCD87988  Sonchus asper subsp. asper Ellen Dean; K. Mawdsley, R. and R. Norris,T. and M. Starbuck,G. Walden 2010-6-30 6542 Alpine Grover Hot Springs State Park, W of town of Markleeville. W side of park across the street from hot springs facility. 1810 Comment
  UCD89933  Sonchus asper subsp. asper Ellen Dean and Margaret Starbuck; K. Mawdsley, L. Huiet, P. McIntyre, C. Loughran 2010-8-2 6759 Alpine Grover Hot Springs State Park, W of town of Markleeville. West side of park directly N of hot springs near culvert where hot spring effluent emerges on N side of road. 1805 Comment
  UCR114931  Sonchus asper subsp. asper Julie A. Greene 1993-4-30 1259 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, east of Davis Road 433 Comment
  UCR144454  Sonchus asper subsp. asper Jon P. Rebman, Jeannie Gregory 2003-4-29 8688 San Diego Peninsular Range, Walker Canyon Ecological Reserve: between Boulevard and Jacumba on the north side of Interstate 8, along arroyo bottom near the pond 870 Comment
  UCR147034  Sonchus asper subsp. asper George K. Helmkamp, E. A. Helmkamp 2004-10-8 8839 San Luis Obispo Central Coast, Biddle Regional Park, 7 mi NE of Arroyo Grande along Lopez Drive and Arroyo Grande Creek 136 Comment
  UCR156864  Sonchus asper subsp. asper Jon P. Rebman, Jeannie Gregory 2004-5-11 10199 San Diego Sycuan Peak Ecological Reserve (California Dept. of Fish & Game): southeast of Dehesa, south of Loveland Reservoir on the lower north side of Sycuan Peak; Sweetwater River watershed in Sloane Canyon 285 Comment
  UCR159528  Sonchus asper subsp. asper Jon P. Rebman, Jeannie Gregory 2004-5-25 10432 San Diego Peninsular Range, Rancho Jamul Ecological Reserve: west of Hwy. 94, south of Jamul & north of Otay Lakes Road; southwest part of reserve in a small dry pond just southwest of the old cement furnace 215 Comment
  UCR161331  Sonchus asper subsp. asper George K. Helmkamp, E. A. Helmkamp 2005-3-5 9020 San Luis Obispo Outer South Coast Ranges, Santa Lucia Wilderness north of Lake Lopez, Upper Lopez Canyon Road, 7.2 mi north of jct with Lopez Road and at Water End Road 174 Comment
  UCR197121  Sonchus asper subsp. asper LeRoy Gross 2007-3-13 2600 Los Angeles Transverse Ranges; Verdugo Mountains, southern side of the range. Stough Canyon, northwest of the the nature center along canyon bottom at juction of a spring and creek flowing from the northeast 496 Comment
  UCR197148  Sonchus asper subsp. asper LeRoy Gross 2006-6-8 2489 Kern Southern Sierra Nevada Range, Scodie Mountains, Kiavah Wilderness in the Sequoia National Forest, upper reaches of Cane Canyon west from Horse Canyon Saddle, east of Yellow Jacket Springs 1789 Comment
  UCR202370  Sonchus asper subsp. asper Margaret R. Mulligan, Jeannie Gregory, Suzann M. Leininger 2007-4-9 1795 San Diego Camp Pendleton Marine Corps Base, Santa Margarita River, north side of estuary/outlet to Pacific Ocean, just west of Hwy I-5. Square G4 3 Comment
  UCR222138  Sonchus asper subsp. asper Jim Andre 2010-6-4 13898 San Bernardino Eastern Mojave Desert, Mid Hills, Mojave National Preserve; northern Pinto Valley at Howe Spring, 0.7 mi. north of Bathtub Spring, c. 2.5 mi. west of 4th of July Cyn (New York Mtns) 1741.02 Comment
  UCR238743  Sonchus asper subsp. asper George K. Helmkamp, E. A. Helmkamp 2012-2-9 18540 Glenn Sacramento Valley, Norman Road/ Rd. 68, 0.4 mile west of the Colusa County line, beside the Sacramento National Wildlife Refuge 24 Comment
  UCR255305  Sonchus asper subsp. asper Richard L. Breisch 2011-6-10 756 San Diego Cleveland National Forest, northeast of Morena Lake, north side of Corral Canyon Road, near junction with Buckman Springs Road. Square: S22 940 Comment
  UCSC001617  Sonchus asper subsp. asper Unknown 1995-4-11 s.n. Monterey Found in a sloping meadow surrounded by Mixed Hardwood Forest alongside the Interpretive trail. Interpretive trail - Landels-Hill Big Creek Reserve, Santa Lucia Mountains Comment
  UCSC001978  Sonchus asper subsp. asper G. T. Nordstrom 1937-6-4 1305 Monterey Fort Ord, UC Reserve Site: D/3 122 Comment
  UCSC001980  Sonchus asper subsp. asper Unknown 1995-4-11 s.n. Monterey Fort Ord, UC Reserve Site: D/3 Comment
  UCSC008153  Sonchus asper subsp. asper Megan Bontrager 2011-5-12 s.n. Santa Cruz Santa Cruz, Great Meadow, University of California, Santa Cruz 160 Comment
  CATA2800  Sonchus asper subsp. asper Robert F. Thorne, G. Wallace, M. Hoefs 1977-4-30 48745 Santa Barbara Santa Rosa Island: Canada Lobos 22 Comment
  JOTR01289  Sonchus asper subsp. asper Cole, James E. 1941-5-27 794 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  JROH1256  Sonchus asper subsp. asper John H. Thomas 1968-5-3 14438 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1258  Sonchus asper subsp. asper John Hunter Thomas 1981-5-8 20555 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1259  Sonchus asper subsp. asper John Hunter Thomas 1986-5-15 24043 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA201355  Sonchus asper subsp. asper Arthur C. Gibson; 2001-4-20 4135 Ventura Comment
  LA32095  Sonchus asper subsp. asper Peter H. Raven; 1959-10-25 14700 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  OBI64203  Sonchus asper subsp. asper Margaret Przybylski 2003-10-4 16 Alameda The Oakland Zoo, lower park. N of Education dept above rd 76 Comment
  OBI64344  Sonchus asper subsp. asper Margaret Przybylski, Margaret Thompson 2004-4-9 140 Alameda The Oakland Zoo, E of main parking lot in rolling hills 152 Comment
  POM6197  Sonchus asper subsp. asper L. T. Street 1918-5-30 s.n San Bernardino Lytle Creek Canyon. Comment
  RSA0024986  Sonchus asper subsp. asper Peter Rubtzoff 1975-6-26 8139 El Dorado U.C. Blodgett Forest Research Station, Sand Mountain Blvd., 0.65 mi south of County Road. 1186 Comment
  RSA0082715  Sonchus asper subsp. asper Ernest C. Twisselmann 1965-7-24 11093 Kern Castaic Lake. 1051 Comment
  RSA0082716  Sonchus asper subsp. asper Ernest C. Twisselmann 1964-7-17 9749 Kern Southeast end of Castaic Lake. 1059 Comment
  RSA0127006  Sonchus asper subsp. asper Louis C. Wheeler 1967-7-20 10124 Los Angeles Aliso Canyon. 1067 Comment
  RSA250086  Sonchus asper subsp. asper R. F. Thorne, Larry E. DeBuhr, et al. 1972-10-13 42445 San Bernardino due S of Lost Lake and near Blue Cut. 807 Comment
  RSA250524  Sonchus asper subsp. asper R. F. Thorne, John Dourley 1967-10-10 37332 Los Angeles San Gabriel Mtns., Angeles National Forest: Jackson Lake. 1867 Comment
  RSA574946  Sonchus asper subsp. asper R. G. Swinney 1993-10-8 2666 San Bernardino Controversy Spring, at head of Cajon Canyon, SE of Mt. Top jct., .5 miles S of Hwy 138 on FS rd 3N37. 1402 Comment
  RSA602807  Sonchus asper subsp. asper L. C. Wheeler 1967-7-13 9954 San Bernardino San Gabriel Mountains: Lytle Creek Village, Lytle Creek. 1067 Comment
  RSA611049  Sonchus asper subsp. asper L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  RSA617267  Sonchus asper subsp. asper Mary DeDecker 1972-6-26 2946 Inyo Sierra Nevada: Owens Valley, earthquake fault east of Independence; Citrus Road. 1143 Comment
  RSA641645  Sonchus asper subsp. asper L. C. Wheeler 1967-5-31 9809 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  RSA788954  Sonchus asper subsp. asper Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  RSA788955  Sonchus asper subsp. asper Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  SEINET10615452  Sonchus asper subsp. asper David B. Dunn 1941-2-22 Dunn 684 Los Angeles UCLA campus along Westwood Blvd. Comment
  UC2028175  Sonchus asper subsp. asper Barbara Ertter 1998-5-3 16044 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo. Comment
  UCD133978  Sonchus asper subsp. asper Frederica Bowcutt 1987-5-28 1052 Mendocino Sinkyone Wilderness State Park, between Anderson and Dark Gulchs along road to Hotel Gulch. 335 Comment
  UCD133986  Sonchus asper subsp. asper Frederica Bowcutt 1988-7-14 1093 Mendocino Van Damme State Park. Two and one-half air miles SE of Mendocino and approx. 1 mile up Little River from Van Damme Beach. Along Fern Canyon trail. 30 Comment
  UCD133992  Sonchus asper subsp. asper Frederica Bowcutt 1996-5-24 2171 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road near entrance. Comment
  UCD134006  Sonchus asper subsp. asper B. Crampton 1957-4-16 3938 Sacramento Junction of Florin-Perkins Road and Fruitridge Road, 2 miles south of Perkins. East of the Sacramento Signal Depot. Comment
  UCD134011  Sonchus asper subsp. asper G. F. Hrusa; S. A. Wagner 1992-4-22 9297 San Joaquin Caswell Memorial State Park. West of the Quercus lobata-dominated woodland. Comment
  UCD136125  Sonchus asper subsp. asper Perry S. Allen 1969-4-21 206 Stanislaus 2.5 miles southwest of La Grange. Comment
  UCD136126  Sonchus asper subsp. asper L. Angst Date Unknown s.n. Unknown County unknown: exact location unknown. Comment
  UCD136129  Sonchus asper subsp. asper Mary M. Hektner; Cathy Hendel 1974-7-24 163 Sonoma alongside Kirkwood House on Pacific Reach, Unit 24 Owners' Map, Sea ranch, near State Highway 1. Comment
  UCD136130  Sonchus asper subsp. asper E. M. Johnston 1915-1 W- 139 J Butte Biggs. Comment
  UCD136135  Sonchus asper subsp. asper Chas. H. Quibell 1953-5-22 2020 Fresno Annadale Ave. east of Sanger, west edge of Kings R. bottoms. Comment
  UCD136136  Sonchus asper subsp. asper Bob Rodin 1943-4-16 117 Alameda UC Berkeley. Strawberry Canyon. West of the Botanical Garden. Comment
  UCD136138  Sonchus asper subsp. asper Bob Rodin 1943-5-29 231 Alameda By side of upper road east of Botanical Garden. Strawberry Canyon, University of California Campus, Berkeley. Comment
  UCD136141  Sonchus asper subsp. asper Robert F. Thorne; B. Prigge, D. Michener 1978-5-26 51637 San Bernardino Granite Mountains: sandy bottom of Bull Canyon at corner. 1188 Comment
  UCD136142  Sonchus asper subsp. asper Robert F. Thorne; P. C. Everett 1964-2-7 33456 Los Angeles Lower end of Pebbly Beach Canyon near road, E end of Santa Catalina Island. 76 Comment
  UCD136143  Sonchus asper subsp. asper J. M. Tucker 1951-6-26 2136 Sonoma at roadside, near summit of range, road from Glen Ellen to Oakville. Comment
  UCD136146  Sonchus asper subsp. asper M. Wiesendanger 1927-5-5 719 Sonoma Sonoma. Comment
  UCD136149  Sonchus asper subsp. asper Ipso. 1904-3-22 s.n. Los Angeles St Anna. Comment
  UCD32803  Sonchus asper subsp. asper Beecher Crampton 1954-10-19 2294 Solano 0.5 miles south of Suisun, Suisun Marsh. Comment
  UCD38748  Sonchus asper subsp. asper Beecher Crampton 1957-9-16 4613 Yolo 8.5 miles northwest of Davis. Comment
  UCD39148  Sonchus asper subsp. asper Beecher Crampton 1964-10-3 7214 San Francisco San Francisco, Townsend St. and Embarcadero. Comment
  UCSC001979  Sonchus asper subsp. asper Randall Morgan 2003-5-4 s.n. Monterey Fort Ord, UC Reserve Site: D/3 Comment
  UCSC004030  Sonchus asper subsp. asper Randall Morgan 2003-5-4 3819 Santa Cruz Laguna Creek Road Comment
  UCSC007747  Sonchus asper subsp. asper Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UCD74490  Sonchus oleraceus var. asper J. E. Sandoval 1995-10-30 97 Merced Great Valley Grasslands State Park (encompasses the former Fremont Ford State Recreation Area). South of the town of Stevinson, 1 mi. south of Hwy 140 on Hwy 165. 17 Comment



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