Search Results — 1404 specimen records retrieved (991 records with coordinates)
Results for search: Scientific name=Sonchus oleraceus;   More information: Jepson Online Interchange

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC168066  Sonchus oleraceus Sarah J. De Groot 2004-3-1 3561 San Bernardino Whipple Mountains: Copper Basin Reservoir, just inside gate by lake. MWD property 315 Comment
  CAS-BOT-BC168178  Sonchus oleraceus Sarah J. DeGroot; Krina De Groot; Leland Lubinsky; Linda Lee Worlow 2004-3-17 3772 San Bernardino Whipple Mountains: Whipple Wash, ~2.5 hr. walk upstream from powerline road 316 Comment
  CAS-BOT-BC172738  Sonchus oleraceus Sarah J. De Groot 2004-3-29 3933 San Bernardino Whipple Mountains: Copper Basin reservoir, ~NE side of lake 302 Comment
  CAS-BOT-BC177409  Sonchus oleraceus Sarah J. De Groot; J. Mark Porter 2003-3-1 1062 San Bernardino Whipple Mountains: Bass Point, along Parker Dam road 107 Comment
  CAS-BOT-BC182518  Sonchus oleraceus Sarah J. DeGroot; Angela Gatto; Chris Stevenson; Constance Baldwin 2003-4-19 2351 San Bernardino Whipple Mountains: Canyon on NE side of mountains, off powerline road 287 Comment
  CAS-BOT-BC374558  Sonchus oleraceus Henry M. Pollard 1951-8-2 s.n. Fresno Big Creek 1524 Comment
  CAS-BOT-BC374559  Sonchus oleraceus D. E. Breedlove 1970-3-29 17293 Inyo In Surprise Canyon between Ballarat and Panamint City. Panamint Mountains 1127 Comment
  CAS-BOT-BC374562  Sonchus oleraceus John Thomas Howell 1958-8-10 34270 Madera Miller Meadow 2103 Comment
  CAS-BOT-BC374563  Sonchus oleraceus Ward B. Holt 1952-10-12 s.n. Madera Bass Lake 1066 Comment
  CAS-BOT-BC374564  Sonchus oleraceus John Thomas Howell 1964-4-29 40648 Mariposa Mariposa 609 Comment
  CAS-BOT-BC374567  Sonchus oleraceus Raymond Lindholm 1961-2-24 s.n. Riverside Banning Comment
  CAS-BOT-BC374568  Sonchus oleraceus N. Aitkenhead 1977-2-3 2133 Riverside N. of Mule Mnts in sink So. of Sand Dunes Comment
  CAS-BOT-BC374597  Sonchus oleraceus Joseph P. Tracy 1935-5-16 13805 Humboldt At Eureka 30 Comment
  CAS-BOT-BC374598  Sonchus oleraceus E. A. McGregor 1917-2-5 2008 Imperial Colorado Desert. 2 mi south of El Centro Comment
  CAS-BOT-BC374599  Sonchus oleraceus K. Larson 1976-1-14 1975 Imperial 4 mi. SW of Heber at Central Main Canal Comment
  CAS-BOT-BC374600  Sonchus oleraceus Roxana S. Ferris; Ruth P. Rossbach 1938-5-18 9627 A Imperial Upper end of Painted Groge, Carisso Mts. Comment
  CAS-BOT-BC374610  Sonchus oleraceus S. B. Parish 1914-5-15 9132 Los Angeles Santa Monica Comment
  CAS-BOT-BC374616  Sonchus oleraceus Henry J. Thompson; Peter H. Raven 1959-6-4 14346 Los Angeles Santa Monica Mountains. Point Dume 12 Comment
  CAS-BOT-BC374621  Sonchus oleraceus Ernest C. Twisselmann 1971-12-9 18553 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC374622  Sonchus oleraceus Ernest C. Twisselmann 1971-12-9 18553 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  CAS-BOT-BC374623  Sonchus oleraceus Ernest C. Twisselmann 1954-5-28 1303 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County Comment
  CAS-BOT-BC374629  Sonchus oleraceus Peter H. Raven; Michael P. Johnson 1967-5-1 21198 Marin Angel Island. Slopes above Hospital Cove, west side of island 60 Comment
  CAS-BOT-BC374660  Sonchus oleraceus Ira L. Wiggins 1965-11-3 20314 Orange Orange grove just east of California State College campus, Fullerton Comment
  CAS-BOT-BC374661  Sonchus oleraceus Ira L. Wiggins 1965-10-25 20297 Orange Curbway on Dorothy Lane near Lincoln Avenue, Fullerton Comment
  CAS-BOT-BC374663  Sonchus oleraceus Ira L. Wiggins 1966-5-25 20668 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton Comment
  CAS-BOT-BC374668  Sonchus oleraceus F. H. Billings 1923-3-1 s.n. San Bernardino Redlands Comment
  CAS-BOT-BC374669  Sonchus oleraceus S. B. Parish; W. F. Parish 1883-1-1 790 San Bernardino San Bernardino Comment
  CAS-BOT-BC374671  Sonchus oleraceus Meredyth Alpert; Elizabeth McClintock 1974-7-1 s.n. San Francisco Alcatraz Island, San Francisco Bay, San Francisco Comment
  CAS-BOT-BC374676  Sonchus oleraceus Volney Rattan 1877-1-1 s.n. San Francisco San Francisco Comment
  CAS-BOT-BC374677  Sonchus oleraceus Volney Rattan 1877-4-29 s.n. San Francisco San Francisco Comment
  CAS-BOT-BC374678  Sonchus oleraceus John Thomas Howell 1957-5-17 s.n. San Francisco San Francisco. Bayview Hills Comment
  CAS-BOT-BC374679  Sonchus oleraceus John Thomas Howell 1956-6-17 31591 San Francisco Summit ridge of Bayview Hills, San Francisco Comment
  CAS-BOT-BC374683  Sonchus oleraceus Peter Rubtzoff 1952-5-29 1065 San Francisco San Francisco. Sand dunes at 37th Avenue between Ortega and Quintara streets Comment
  CAS-BOT-BC374688  Sonchus oleraceus Peter Rubtzoff 1952-5-14 1049 San Francisco San Francisco. Sand dunes at 37th Avenue betw. Ortega and Quintara streets Comment
  CAS-BOT-BC374691  Sonchus oleraceus Peter H. Raven 1954-3-21 6447 San Francisco Slopes along Lobos Creek near its mouth, San Francisco Comment
  CAS-BOT-BC374695  Sonchus oleraceus Wm. F. Herrin 1918-8-29 s.n. San Francisco San Francisco Comment
  CAS-BOT-BC374699  Sonchus oleraceus John H. Thomas 1965-4-29 10602 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC374700  Sonchus oleraceus John H. Thomas 1958-3-19 7054 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  CAS-BOT-BC374706  Sonchus oleraceus Fred Hemphill 1973-5-6 781 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC374713  Sonchus oleraceus Henry M. Pollard 1957-10-2 s.n. Santa Barbara So. Pac. R. R. yards, Santa Barbara Comment
  CAS-BOT-BC374715  Sonchus oleraceus R. E. Snodgrass 1901-7-1 s.n. Santa Barbara Santa Cruz Island, Valdaze Cove Comment
  CAS-BOT-BC374718  Sonchus oleraceus Herman Knoche 1919-7-19 Series A, No. 1125 Santa Barbara San Miguel Island Comment
  CAS-BOT-BC374723  Sonchus oleraceus W. R. Dudley 1897-6-1 s.n. Santa Clara Santa Cruz Mountain Peninsula. Stanford University Comment
  CAS-BOT-BC374726  Sonchus oleraceus J. H. Thomas 1954-3-15 3791 Santa Clara Growing between Saratoga and Saratoga Summit 548 Comment
  CAS-BOT-BC374730  Sonchus oleraceus Josephine D. Randall 1907-6-14 98 Santa Clara Santa Cruz Peninsula. Stanford University Comment
  CAS-BOT-BC374732  Sonchus oleraceus J. H. Thomas 1950-3-30 1384 Santa Cruz Along Ocean Beach just outside of eastern limit of city of Santa Cruz Comment
  CAS-BOT-BC374734  Sonchus oleraceus J. H. Thomas 1950-3-27 1360 Santa Cruz Davenport Landing Comment
  CAS-BOT-BC374735  Sonchus oleraceus J. H. Thomas 1950-2-26 1275 Santa Cruz Along coast at western end of Cliff Drive, Santa Cruz Comment
  CAS-BOT-BC374736  Sonchus oleraceus J. H. Thomas 1949-10-9 1140 Santa Cruz Near Highway 9 about 1 mile north of drinking fountain toward Saratoga Summit 457 Comment
  CAS-BOT-BC374738  Sonchus oleraceus John Thomas Howell 1933-9-17 11672 Solano Suisun Comment
  CAS-BOT-BC374739  Sonchus oleraceus Marian L. Campbell 1920-8-17 s.n. Solano Cordelia Comment
  CAS-BOT-BC374740  Sonchus oleraceus Alice Eastwood 1920-7-31 9992 Solano Vallejo Comment
  CAS-BOT-BC374746  Sonchus oleraceus Henry M. Pollard 1970-5-26 s.n. Ventura On Casitas Pass Road about 1 mile north of Ventura River bridge, Foster Park Comment
  CAS-BOT-BC374752  Sonchus oleraceus Steven A. Junak 1986-4-22 MA- 101 Ventura California Islands. Middle Anacapa Island: N edge of terrace, W of Sea Arch Peninsula 60 Comment
  CAS-BOT-BC374753  Sonchus oleraceus E. R. Blakley 1961-5-18 4386 Ventura California Channel Islands. Large canyon north side of the highest peak on the west island. Anacapa Island 91 Comment
  CAS-BOT-BC423335  Sonchus oleraceus A. Williams; C. Darling; M. Garcia; R. Brostrom; L. Juarez; A. Juarez 2014-4-26 14618 Marin Mount Tamalpais. Marin Municipal Water District lands: Across the bridge from Leo T. Cronin Fish Viewing Area, near gate along Lower Peters Dam Road. Comment
  CATA1093  Sonchus oleraceus Mark L. Hoefs 1995-5-16 2043 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  CATA1193  Sonchus oleraceus Mark L. Hoefs 1995-5-30 2198 Los Angeles Santa Catalina Island: Near Ben Weston Road 57 Comment
  CATA1249  Sonchus oleraceus Mark L. Hoefs, Phil Hartman, Bret Marin 1995-1-27 2329 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  CATA1451  Sonchus oleraceus Mark L. Hoefs, Robert F. Thorne 1996-4-6 2633 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  CATA848  Sonchus oleraceus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-29 1656 Los Angeles Santa Catalina Island: Above upper circle of Las Lomas Drive, Avalon 60 Comment
  CATA855  Sonchus oleraceus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1664 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  CDA10181  Sonchus oleraceus M. M. Sweet 2007-5-1 416 San Diego City of San Diego; 0.2 mile northeast of intersection of Eastgate Mall and Genesee Avenue, 1.6 miles southeast of intersection of I-5 and I-805. Near top of canyon running from Eastgate Mall to Roselle Street. (32.8794 N, 117.2127 W) Comment
  CDA11809  Sonchus oleraceus G. F. Hrusa 1990-4-2 7771 Sacramento Natoma Unit-Folsom Lake State Rec. Area; W side of lake, approx. 1/3 mile upstream from Nimbus Dam. Comment
  CDA12594  Sonchus oleraceus G. F. Hrusa 1990-6-18 8130 Sacramento Natoma Unit-Folsom Lake State Rec. Area; Above and S of estuary at S end of American River Bluffs. Comment
  CDA12740  Sonchus oleraceus G. F. Hrusa 1990-5-23 7981 Sacramento Natoma Unit-Folsom Lake State Rec. Area; Canyon at S end of American River Bluffs. Comment
  CDA15245  Sonchus oleraceus G. F. Hrusa, D. Crowe 1998-5-8 14376 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CDA29554  Sonchus oleraceus M. K. Beyers 2009-11-16 268 Sacramento City of Sacramento: in the north eastern portion of the north lot at Sacramento City College. 0 Comment
  CDA30602  Sonchus oleraceus M. Beyers 2010-5-12 434 Solano On the corner of Halley Road and Wolfskill Road 33 Comment
  CDA30609  Sonchus oleraceus M. Beyers 2010-3-28 292 Alameda Berkeley. Along West Frontage Road (Interstate 80 Frontage Road). east of the Berkeley Marina. 3 Comment
  CDA30742  Sonchus oleraceus M. Beyers 2010-5-12 435 Solano On the corner of Halley Road and Wolfskill Road 33 Comment
  CDA32157  Sonchus oleraceus M. Beyers 2010-10-9 849 Sacramento .5 miles east of Courtland along Wilson Road. 1 Comment
  CDA34028  Sonchus oleraceus D. G. Kelch, Andrew Doran 2011-4-6 11 .087 Alameda Near Don Edward s National Wildlife Area. Comment
  CDA35405  Sonchus oleraceus G. F. Hrusa, M. Beyers 2011-6-8 18311 Santa Barbara Sierra Madre Mountains; San Rafael Wilderness. Sisquoc River canyon at Sycamore Camp. 614 Comment
  CDA42842  Sonchus oleraceus L. Ahart 2011-6-5 17368 Butte In pots or garden, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. Comment
  CDA42873  Sonchus oleraceus L. Ahart 2012-5-14 18061 Butte Planted area between sidewalk and Vallombrosa Avenue, west of Manzanita Avenue, just west of the bridge across Big Chico Creek, Lower Bidwell Park, Chico. Comment
  CDA7670  Sonchus oleraceus T. C. Fuller 1959-10-14 3271 Siskiyou Big Springs Park, Mt. Shasta City. 0 Comment
  CDA7871  Sonchus oleraceus M. Mulligan, J. Gregory, J. Rocks 2007-3-26 1679 San Diego Camp Pendleton Marine Corps Base, White Beach Training Area, ca. 0.8 mile south of 41 Area (Las Flores), ca. 1 mile northwest of Shingle Bluff, east of I-5. Comment
  CHSC102501  Sonchus oleraceus Lowell Ahart 2009-5-30 15791 Butte By a small rock about 50 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 269 Comment
  CHSC103987  Sonchus oleraceus Lowell Ahart 2010-5-14 16671 Butte On the south side of a trail, about 1/2 mile west of the entrance to the Disc Golf Area, west of Highway 32. Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico. 260 Comment
  CHSC107245  Sonchus oleraceus Lowell Ahart 2011-6-5 17368 Butte In pots or garden, Peter Ahart ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 33 Comment
  CHSC107249  Sonchus oleraceus Lowell Ahart 2011-6-3 17360 Butte Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico. 60 Comment
  CHSC107250  Sonchus oleraceus Lowell Ahart 2011-6-3 17360 -A Butte Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico. 60 Comment
  CHSC109715  Sonchus oleraceus V. Soza; LeRoy Gross 2011-5-14 1215 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  CHSC111368  Sonchus oleraceus Lowell Ahart 2012-5-14 18061 Butte Planted area between sidewalk and Vallombrosa Avenue, west of Manzanita Avenue, just west of the bridge across Big Chico Creek, Lower Bidwell Park, Chico. 79 Comment
  CHSC114665  Sonchus oleraceus M. K. Beyers 2009-11-16 Sacramento City of Sacramento: in the north eastern portion of the north lot at Sacramento City College. Comment
  CHSC114962  Sonchus oleraceus Lowell Ahart 2015-1-27 19923 Butte Along the west side of Virginia Street, northwest of the intersection of Hazel Street and Virginia Sreet, Gridley. 29 Comment
  CHSC115178  Sonchus oleraceus Lowell Ahart 2015-6-6 20206 Butte Gravel bar on the south side of the dry stream, about 20 yards north of the dirt road, about 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville. 304 Comment
  CHSC116120  Sonchus oleraceus Lowell Ahart 2015-11-4 20612 Sutter Peach orchard, about 50 yards east of George Washington Blvd., about 1 1/8 mile south of the intersection of Highway 20 and George Washington Blvd., Yuba City. 18 Comment
  CHSC23344  Sonchus oleraceus Willis Ball 1975-3-2 468 Contra Costa Contra Loma Regional Park. In area #5. On the w side of a hill in area #5 ca. 10 yds. e of water on e side of lake. 32 Comment
  CHSC31659  Sonchus oleraceus L. Ahart 1978-7-15 1782 Butte Around the garden, Peter Ahart Ranch, Honcut. 50 Comment
  CHSC38390  Sonchus oleraceus 1983-5-1 Butte Upper Bidwell Park, Chico, on the north rim ca. 2.0 mi e of the power lines. 390 Comment
  CHSC38391  Sonchus oleraceus Vernon Oswald 1983-5-21 512 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 152 Comment
  CHSC39200  Sonchus oleraceus M. S. Taylor 1982-12-26 5210 Merced Around edge of Rest Stop, e side of Interstate 5, on Merced-Stanislaus Co border, ca. 15 mi sw of Merced. Comment
  CHSC424  Sonchus oleraceus J. Turner 1930-5-14 Butte Chico Creek road. 76 Comment
  CHSC55887  Sonchus oleraceus S. C. Morey 1986-7-7 Solano Suisan Marsh. Southeast side of Van Sickle Island adjacent to the Sacramento River. 0 Comment
  CHSC6086  Sonchus oleraceus B. Wilson 1968-4-17 153 Butte NE of Greenhouse, CSC campus. 59 Comment
  CHSC63240  Sonchus oleraceus Lowell Ahart 1994-3-30 7280 Butte Garden area at the north-east corner of Oregon City School House, Oregon City, about 7 miles north of Oroville. 365 Comment
  CHSC66156  Sonchus oleraceus Vernon H. Oswald; Lowell Ahart 1996-5-27 7669 .1 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 the pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC75065  Sonchus oleraceus Roger Thom 1987-5-26 22 Contra Costa 1100 block of Hillside Ave. Walnut Creek. Roadside. 36 Comment
  CHSC8150  Sonchus oleraceus J. G. Moore 1969-5-10 91 Marin On n side of Hwy 104, 200 yds. e of Olema. 60 Comment
  CHSC8151  Sonchus oleraceus M. Banning 1969-4-7 33 Marin Bear Valley rd., 1 mi. N. of Pt. Reyes Park headquarters. 38 Comment
  CHSC8152  Sonchus oleraceus K. Henegar 1969-5-15 82 Butte Cohasset Road, 1/2 m s of Chico Municipal airport; along w side of road. Comment
  CHSC8560  Sonchus oleraceus M. MacArthur 1968-6-12 165 Butte Ca. 50 ft. NW of Biology Stockroom in Life Science bld., Chico State College campus. 60 Comment
  CHSC98404  Sonchus oleraceus LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 236 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy land. On trail up out of canyon and going to the crest folllowing a ridge running northwest from the crest. 548 Comment
  GMDRC1121  Sonchus oleraceus J. Andre 2003-5-25 4048 San Bernardino Granite Mtns: Granite Mtns: Mouth of Budweiser Cyn, growing in wet sandy soil in streambed.. Elev. 3788 ft. 1155 Comment
  HSC104456  Sonchus oleraceus Jeff Barrett, Keleigh Deitsch, Tessa Purdy 2014-4-13 25 Humboldt Samoa Peninsula, Fairhaven, along south side of Bay Street 5 Comment
  HSC26377  Sonchus oleraceus T. O. Osborne 1970-9-16 38 Humboldt Trinidad Bay, Prisoner Rock Comment
  HSC39802  Sonchus oleraceus Peter Sorensen 1976-6-11 Humboldt King Salmon Comment
  HSC39938  Sonchus oleraceus Linda M. Barker 1976-7-5 1644 Humboldt 3 mi. W of Arcata Comment
  HSC52617  Sonchus oleraceus G. L. Clifton, Griswold 1979-6-19 5539 Del Norte Near Smith River, S Fork, close to the town of Gasquet. 38 Comment
  HSC91760  Sonchus oleraceus Susan H. Bicknell 1989-4-16 San Luis Obispo Montana de Oro State Park, MDO 1000 Comment
  HSC93285  Sonchus oleraceus F. Bowcutt 1987-5-26 816 Mendocino S of BLM's King Range Conservation Area, 0.5 air miles SW of Four Corners, at entrance sign to park along Needle Rock Rd. (County Rd. 435) 335 Comment
  IRVC19392  Sonchus oleraceus R. L. Allen 1983-2-12 A629 Orange Fullerton; Hillcrest Park, slope bordering E Valley View Drive. Southern Coastal Comment
  IRVC27130  Sonchus oleraceus Mark A. Elvin, Scott Boczkiewicz 2005-2-5 3945 San Diego W side of Otay Mtn; 1.5km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. Peninsular Ranges, San Ysidro Mountains 183 Comment
  IRVC27824  Sonchus oleraceus Scott Boczkiewicz, Mark A. Elvin 2005-2-5 1001 San Diego W side of Otay Mtn; 1.5km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. Peninsular Ranges, San Ysidro Mountains 183 Comment
  IRVC9106  Sonchus oleraceus B. Gittins 1963-3-22 70 Orange Orange Coast College Campus. Costa Mesa Comment
  IRVC920  Sonchus oleraceus L. Stilgenbauer 1965-4-15 Orange Corona del Mar, 339 Milford. Newport Beach Comment
  IRVC921  Sonchus oleraceus J. Schram 1965-5-3 Orange Corona del Mar, 564 Seaward Rd. Newport Beach Comment
  IRVC923  Sonchus oleraceus B. Mawdsley 1965-3-30 Orange east bluff at Mar Vista. Newport Beach Comment
  IRVC924  Sonchus oleraceus A. Adams 1965-5-2 Orange Newport Beach, Corona del Mar, Little Corona Beach. Southern Coastal Comment
  IRVC929  Sonchus oleraceus R. Salcido 1965-5-8 Orange Corona del Mar. Newport Beach Comment
  JEPS100168  Sonchus oleraceus G. Smick 2003-3-27 GAS 99 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS115664  Sonchus oleraceus Lowell Ahart 2009-5-30 15791 Butte By a small rock about 50 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 269 Comment
  JEPS117702  Sonchus oleraceus Lowell Ahart 2010-5-14 16671 Butte On the south side of a trail, about 1/2 mile west of the entrance to the Disc Golf Area, west of Highway 32. Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico 260 Comment
  JEPS118037  Sonchus oleraceus Lowell Ahart 2011-6-5 17368 Butte In pots or garden, Peter Ahart ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville 33 Comment
  JEPS118346  Sonchus oleraceus Lowell Ahart 2011-6-3 17360 Butte Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico 60 Comment
  JEPS119796  Sonchus oleraceus Lowell Ahart 2012-5-14 18061 Butte Planted area between sidewalk and Vallombrosa Avenue, west of Manzanita Avenue, just west of the bridge across Big Chico Creek, Lower Bidwell Park, Chico. Comment
  JEPS124111  Sonchus oleraceus Lowell Ahart 2015-6-6 20206 Butte About 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  JEPS124161  Sonchus oleraceus Lowell Ahart 2015-11-4 20612 Sutter About 50 yards east of George Washington Blvd., about 1 1/8 mile south of the intersection of Highway 20 and George Washington Blvd., Yuba City. Comment
  JEPS124183  Sonchus oleraceus Lowell Ahart 2015-1-27 19923 Butte Northwest of intersection of Hazel Street and Virginia Street, Gridley. Comment
  JEPS127078  Sonchus oleraceus Lowell Ahart 2015-11-21 20691 Butte On the north side of home, Peter Ahart Ranch, about 1 1/2 miles north and one mile east of Honcut, about 12 miles south of Oroville. Comment
  JEPS18665  Sonchus oleraceus Ernest C. Twisselmann 1954-11-9 1658 Kern Buena Vista Lake Bed Western San Joaquin Valley, Temblor Rsnge, Buena Vista Lake (Temblor Range, Western San Joaquin Valley) 94 Comment
  JEPS30414  Sonchus oleraceus Donald Kyhos 1959-1-4 59 -1 Los Angeles Whittier Comment
  JEPS30626  Sonchus oleraceus Peter H. Raven 1959-5-9 14165 Los Angeles Mulholland Hwy 1 mi w Las Virgenes Rd. (Malibu Creek drainage, Santa Monica Mountains); Santa Monica Mountains, Malibu Creek drainage 274 Comment
  JEPS30646  Sonchus oleraceus Peter H. Raven and Henry J. Thompson 1959-6-4 14346 Los Angeles Point Dume Santa Monica Mountains, Point Dume 12 Comment
  JEPS31260  Sonchus oleraceus Ernest C. Twisselmann 1962-10-20 7931 San Luis Obispo Dorothy Twisselmann Ranch Western San Joaquin Valley, Temblor Range, Dorothy Twisselma (Temblor Range, western San Joaquin Valley, eastern San Luis Obispo County) 670 Comment
  JEPS32811  Sonchus oleraceus E. R. Blakley 1963-5-23 5868 Santa Barbara w side Cuyler Harbor (San Miguel Island, Channel Islands); Channel Islands, San Miguel Island, w side Cuyler Harbor 106 Comment
  JEPS32812  Sonchus oleraceus E. R. Blakley 1963-5-22 5819 Santa Barbara base of sand spit at Cardwell Point (Channel Islands, San Miguel Island); Channel Islands, San Miguel Island, Cardwell Point 7 Comment
  JEPS37524  Sonchus oleraceus W. L. Jepson 1916-4-16 6770 Kern Bakersfield Bakeresfield Comment
  JEPS37525  Sonchus oleraceus W. L. Jepson 1934-4-8 16555 Solano Little Oak , Little Oak (Vacaville) Comment
  JEPS37531  Sonchus oleraceus W. L. Jepson 1936-6-2 17605 Napa banks Napa River (St. Helena); banks Napa River, St. Helena Comment
  JEPS37532  Sonchus oleraceus Lincoln Constance 1934-6-3 797 Humboldt foot of bank along n side Redwood Highway at Dyerville (South Fork Eel River, Bull Creek Region); Bull Creek Region, South Fork Eel River Comment
  JEPS58909  Sonchus oleraceus Javier Penalosa and J. T. Howell 1961-6-7 1646 Marin w Marin Country Day School (Tiburon Peninsula); Tiburon Peninsula 30 Comment
  JEPS77159  Sonchus oleraceus Robert M. Lloyd 1963-4-5 2307 Marin about 1 mi nw Tiburon (near housing tract) Comment
  JEPS84553  Sonchus oleraceus John W. Willoughby 1976-5-6 1668 Solano Mix Canyon Vaca Mountains, Mix Canyon 274 Comment
  JEPS88920  Sonchus oleraceus Rimo Bacigalupi, and L. Heckard, P. C. Hutchison 1962-3-16 8231 Orange 2 mi n Doheny Beach State Park (along U.S. 101) Comment
  JOTR29401  Sonchus oleraceus La Doux, Tasha, Mike Bell, Colleen Ely 2006-5-22 1478 San Bernardino Joshua Tree National Park. Willow Hole Comment
  JOTR30283  Sonchus oleraceus La Doux, Tasha, Alice Miller 2007-5-31 1779 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  JOTR30284  Sonchus oleraceus La Doux, Tasha, Alice Miller 2007-5-31 1779 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  JOTR30790  Sonchus oleraceus La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2097 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  JOTR31013  Sonchus oleraceus La Doux, Tasha, Maria Harding and Mark Wheeler 2010-6-15 1279 San Bernardino Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; above Keys Ranch by dam (Stop 1) Comment
  JOTR31031  Sonchus oleraceus La Doux, Tasha 2010-4-27 1535 San Bernardino Joshua Tree National Park. Oasis of Mara, Park Head Quarters, survey surrounding administrative buildings 597 Comment
  JOTR36220  Sonchus oleraceus La Doux, Tasha, M. Harding and M. Wheeler 2014-4-24 3473 San Bernardino Joshua Tree National Park. Little San Bernardino Mtns; Wonderland of Rocks; narrow, steep drainage with boulder walls and sandy bottom (Stop 5) 1273 Comment
  OBI15383  Sonchus oleraceus Betty Sheehan 1957-10-11 8 San Luis Obispo Cal Poly Campus, Science bldg Comment
  OBI15384  Sonchus oleraceus Jim Heaston 1955-10-13 33 San Luis Obispo Cal Poly, San Luis Obispo Comment
  OBI15385  Sonchus oleraceus Bob Everett 1964-2-16 2 San Luis Obispo Poly Cyn, Cal Poly, San Luis Obispo Comment
  OBI15386  Sonchus oleraceus Tracey & Viola Call, Viola Call 1962-4-8 2121 Riverside Rancho Rd. Corona 213 Comment
  OBI15387  Sonchus oleraceus Betty Sheehan 1957-10-11 19 San Luis Obispo Cal Poly Campus, Science bldg Comment
  OBI15389  Sonchus oleraceus Robert F. Hoover 1964-4-14 8704 San Luis Obispo San Luis Obispo Comment
  OBI25598  Sonchus oleraceus David J. Keil 1981-5-16 14710 San Luis Obispo Area around Arroyo de la Cruz near its crossing of hwy 1 Comment
  OBI28289  Sonchus oleraceus Rick Frelinger 1982-5-10 67 San Luis Obispo San Luis Crk in Reservoir Cyn, San Luis Obispo Comment
  OBI28776  Sonchus oleraceus David J. Keil, Melissa Luckow, Richard A. Pimentel, and Rhonda Riggins-Pimentel 1981-4-24 14509 San Luis Obispo Jctn of Shell Crk Rd and Calif hwy 58 S of Shandon Comment
  OBI30663  Sonchus oleraceus David J. Keil 1981-5-19 14735 San Luis Obispo Indian Knob. Upper slopes of Indian Knob Comment
  OBI31765  Sonchus oleraceus Smeltzer, Turnquist 1982-4-12 50 San Luis Obispo SE side of Laguna Lake park from the roadway over to base of hill Comment
  OBI4812  Sonchus oleraceus Mike Wemp 1972-3-29 38 San Luis Obispo About 1/2 mi NW of Montana de Oro state park campground 30 Comment
  OBI51350  Sonchus oleraceus Debora Guillot, Jan Barber, Jim Kilber, Sue Weis, Andrew Stackhouse 1993-7-15 5 .3 San Luis Obispo San Simeon State park. N central section of park Comment
  OBI51445  Sonchus oleraceus Larry Kelly 1991-7-1 586 Santa Cruz Soquel Demonstration State forest off of Highland Ave Comment
  OBI51495  Sonchus oleraceus Larry Kelly 1991-6-22 523 Santa Cruz Soquel Demonstration State forest off of Highland Ave Comment
  OBI51908  Sonchus oleraceus A. C. Sanders 1987-11-28 7548 San Bernardino Glen Helen Sheriff's Training Facility, lower Lytle Crk wash between Verdemont Ranch and Glen Helen Rehabilitation facility Comment
  OBI53965  Sonchus oleraceus Larry Kelly, David J. Keil 1988-10-1 282 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI54646  Sonchus oleraceus David J. Keil, with Lynne Dee Oyler 1995-3-4 24546 Santa Barbara North base. along beach blvd. west of railroad tracks. Comment
  OBI5468  Sonchus oleraceus Sharon Jochums 1974-3-9 26 San Luis Obispo W of hwy 1 just S of Arroyo de la Cruz Comment
  OBI65080  Sonchus oleraceus Greg Wilvert 2005-4-25 320 San Luis Obispo SE Half of the Caliente Range. 1.1 km SW of Wells spring 982 Comment
  OBI78630  Sonchus oleraceus David J. Keil 2013-8-28 31978 San Luis Obispo Morro Bay State Park. East of South Bay Blvd at northern edge of park along unpaved access road to pumphouse. Area of former campground. 5 Comment
  OBI80661  Sonchus oleraceus David J. Keil 1992-1 22921 San Luis Obispo Laguna Lake City Park. Along Madonna road in grassy strip with lawn 170 Comment
  OBI81009  Sonchus oleraceus David J. Keil 2015-2-14 32594 San Luis Obispo Pismo Preserve. Vicinity of intersection of Thousand Hills Road with Price Canyon Road 25 Comment
  POM11349  Sonchus oleraceus F. L. Robinson 1921-3-17 10 Los Angeles Claremont, near the Greek [Theater] Comment
  POM155584  Sonchus oleraceus M. B. Dunkle 1928-4-11 1854 Los Angeles Santa Catalina Island. Near Isthmus. Comment
  POM155653  Sonchus oleraceus M. B. Dunkle 1928-5-13 1939 Los Angeles Santa Catalina Island. Coach road. Talus slope near Wishbone Loop Comment
  POM160622  Sonchus oleraceus Marcus E. Jones 1929-3-25 s.n. Santa Barbara Santa Cruz Island. Comment
  POM181428  Sonchus oleraceus I. L. Wiggins 1930-4-18 4608 Contra Costa Jersey Island. Comment
  POM201741  Sonchus oleraceus L. M. Booth 1932-5-12 1012 Orange Newport Bay. Comment
  POM202167  Sonchus oleraceus L. M. Booth 1932-6-15 1193 Orange Marsh border East of Huntington Beach. Comment
  POM202169  Sonchus oleraceus L. M. Booth 1932-7-23 1305 Orange Corona del Mar, Newport Beach Comment
  POM226221  Sonchus oleraceus J. T. Howell 1933-9-17 11672 Solano Suisun Comment
  POM292654  Sonchus oleraceus Lyman Benson 1928-12-15 837 San Mateo Lake Searsville, Stanford, Santa Cruz, San Francisco Bay 152 Comment
  POM292655  Sonchus oleraceus Arthur L. Cohen 1934-2-26 56 Kern Bakersfield. Kern River Watershed. 122 Comment
  POM37304  Sonchus oleraceus Marcus E. Jones 1881-06 s.n. Santa Cruz Santa Cruz. Comment
  POM78965  Sonchus oleraceus I. M. Johnston 1925-7-23 s.n. San Bernardino Cucamonga Canyon. On the scramble around 3rd falls. 1066 Comment
Read comments
Dec 29 2016
  RSA0010443  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann, G. Kenney 2015-5-6 30144 San Diego Camp Pendleton: southeast portion of Base; Juliet Training Area; north of Engineer Hill Rd.; along dirt road in a canyon. 100 Comment
  RSA0013982  Sonchus oleraceus LeRoy Gross, Bart O'Brien 2013-4-3 5993 San Diego Oneonta Slough; Tijuana Slough National Wildlife Refuge. North of the mouth of the Tijuana River., Started at the end of seacoast Drive, Imperial Beach near 32.56659N 117.13248W south a short distance. 3 Comment
  RSA0021285  Sonchus oleraceus Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5080 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0021711  Sonchus oleraceus Duncan S. Bell, Caitlin Elam 2013-6-24 5261 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  RSA0036768  Sonchus oleraceus Toad 1981-3-3 0013 -81 Los Angeles 130 W. Grondahl, Covina. On NW corner of property. Comment
  RSA0045288  Sonchus oleraceus Regina Allen 1983-5-24 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. [County incorrectly listed as San Bernardino] Comment
  RSA0047594  Sonchus oleraceus Duncan S. Bell 2014-3-28 6340 San Bernardino Granite Mountains; to the east of Apple Valley, approximately 3.5 air miles northwest of Rabbit Dry Lake, and about 1 air mile south of Amaral Spring. 1225 Comment
  RSA0054193  Sonchus oleraceus Richard G. Swinney 2010-4-23 12341 Los Angeles San Gabriel Moutains; lower Loop Canyon, 0.2-0.6 miles upstream from Verterans Park, below US Forest Sercive boundary. 549 Comment
  RSA0058909  Sonchus oleraceus LeRoy Gross, Joy England, Naomi S. Fraga 2015-5-6 7372 Ventura USC/Best Property; Off Pyle Road, south of Highway 126. Almost halfway between Santa Paula and Fillmore. 99 Comment
  RSA0058910  Sonchus oleraceus LeRoy Gross, Joy England, Naomi S. Fraga 2015-5-6 7371 Ventura USC/Best Property; Off Pyle Road, south of Highway 126. Almost halfway between Santa Paula and Fillmore. 99 Comment
  RSA0060392  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann, G. Kenney 2014-5-8 28314 San Diego Camp Pendleton: Training Area India: eastern portion of Base; along the Santa Margarita River just southwest of the De Luz Road crossing. 35 Comment
  RSA0060873  Sonchus oleraceus R. G. Swinney 2010-6-8 13214 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
  RSA0064014  Sonchus oleraceus LeRoy Gross, Joy England 2015-4-29 7213 Ventura Bunn-Birrell Property; Survey the river bed at junction of S. Mountain Road and Converse Road. Southwest area of Santa Paula. 57 Comment
  RSA0065248  Sonchus oleraceus LeRoy Gross, Joy England 2015-3-26 6874 Ventura Villeneuva property; Along the River and lower part of South Mountain, east of river. Started at the end of Mission Rock Road. Between Saticoy and Santa Paula. 56 Comment
  RSA0065948  Sonchus oleraceus LeRoy Gross, Duncan S. Bell, Nick J. Jensen 2015-3-17 6731 Ventura Ormond Beach at end of McWane Blvd., west of Arcturus Ave. South of Port Hueneme, Oxnard. 3 Comment
  RSA0065996  Sonchus oleraceus Mary A. Hawke, J. Gregory, L. Aerne 2008-3-5 112 San Diego Dehesa; Fish & Wildlife Refuge; 0.18 mi E of intersection Willow Glen Road and Dehesa Road; just N of Singing Hills Golf Course. Square Q14. 803 Comment
  RSA0066001  Sonchus oleraceus Jeannie Gregory, Joe Barth 2010-5-15 3429 San Diego Rancho San Diego; US Fish & Wildlife Refuge; N side of San Miguel Mountain; W of Millar Ranch Road; 0.72 miles SW of junction with Highway 94 (Campo Road); E side of Sweetwater River. Square S13. 92 Comment
  RSA0069453  Sonchus oleraceus LeRoy Gross, Pam DeVries, Otto Gasser 2015-4-16 7140 Ventura Aflalo Property. Entered at east end of property, from the south side of the river bed, at end of San Cayetano Street. Fillmore. 106 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
  RSA0069885  Sonchus oleraceus R. G. Swinney 2010-2-27 11751 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
  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
  RSA0080653  Sonchus oleraceus R. G. Swinney 2010-5-29 13015 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  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
  RSA0085549  Sonchus oleraceus R. G. Swinney 2010-4-21 12326 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  RSA0103585  Sonchus oleraceus Nick Jensen, Chris Winchell, Colin Wilkinson 2015-3-21 3285 Kern Amargo Spring at the northern edge of Comanche Point. Tejon Hills. 177 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
  RSA0119941  Sonchus oleraceus R. G. Swinney 2014-5-27 16668 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
  RSA118900  Sonchus oleraceus L. S. Rose 1957-3-23 57039 San Francisco 876 Francisco Street, N. slope of Russian Hill. Comment
  RSA127961  Sonchus oleraceus H. J. Thompson, P. H. Raven 1959-6-4 14346 Los Angeles Point Dume. 15 Comment
  RSA153015  Sonchus oleraceus Chas. H. Quibell 1929-7-15 s.n. Monterey Pacific Grove. Comment
  RSA167784  Sonchus oleraceus R. F. Thorne, Percy C. Everett 1964-2-7 33456 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  RSA176778  Sonchus oleraceus John H. Thomas 1963-5-20 10112 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  RSA183319  Sonchus oleraceus P. H. Raven, Henry J. Thompson 1966-4-24 20705 Ventura San Nicolas Island, sandy slopes just above ocean, Seal Beach, northwest end of island Comment
  RSA184147  Sonchus oleraceus I. L. Wiggins 1966-5-25 20668 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton. Comment
  RSA18425  Sonchus oleraceus C. B. Wolf 1927-7-12 583 San Francisco San Francisco. Comment
  RSA185754  Sonchus oleraceus John H. Thomas 1950-2-26 1275 Santa Cruz Along coast at western end of Cliff Drive, Santa Cruz. Comment
  RSA187930B  Sonchus oleraceus R. F. Thorne 1966-4-7 35960 Los Angeles Cherry Valley, Santa Catalina Island. 61 Comment
  RSA187956  Sonchus oleraceus R. F. Thorne 1966-4-28 36229 -a Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  RSA188044  Sonchus oleraceus R. F. Thorne 1966-4-5 35846 Los Angeles Santa Catalina Island, Cottonwood Canyon. 107 Comment
  RSA188045  Sonchus oleraceus R. F. Thorne 1966-4-4 35790 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  RSA192182  Sonchus oleraceus E. W. Lathrop 1960-6-8 4914 Riverside 14 miles west of Murrieta Comment
  RSA199101  Sonchus oleraceus R. F. Thorne 1968-4-28 37495 Santa Barbara Santa Barbara Island, north-facing slope along path above Landing Cove 30 Comment
  RSA199123  Sonchus oleraceus R. F. Thorne 1968-4-27 37521 Santa Barbara Santa Barbara Island, lower part of Cave Canyon 15 Comment
  RSA199147  Sonchus oleraceus R. F. Thorne 1968-4-27 37556 Santa Barbara Santa Barbara Island. Graveyard Canyon. 30 Comment
  RSA201918  Sonchus oleraceus Ronald E. Foreman, Evan C. Evans, III, Samuel C. Rainey 25 Santa Barbara San Nicolas Island, on plateau above Sand Dune Canyon, near Mesa top 274 Comment
  RSA209653  Sonchus oleraceus E. R. Blakley 1963-5-4 5630 Santa Barbara Santa Barbara Island. Mouth of Cave Canyon. 9 Comment
  RSA223673  Sonchus oleraceus J. T. Howell 1964-6-29 40767 San Luis Obispo Cambria Comment
  RSA2342  Sonchus oleraceus J. W. Blankinship 1923-4-18 s.n. Lake Kelseyville. Comment
  RSA234497  Sonchus oleraceus James Henrickson 1970-7-24 4954 Orange 1.5 miles NW of Huntington Beach, along border of Bolsa Chica Salt Marsh at SW end of Huntington Beach Mesa. 8 Comment
  RSA234633  Sonchus oleraceus R. F. Thorne 1970-3-6 39408 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  RSA239470  Sonchus oleraceus E. R. Blakley 1961-4-22 4099 Santa Barbara San Nicolas Island, Mesa south of the housing area 122 Comment
Read comments
Jul 8 2014
  RSA269894  Sonchus oleraceus B. A. Prigge 1973-6-15 1139 San Bernardino Clark Mountain Range, Pachalka Spring, 5.9 miles NW of Mt. Pass 1494 Comment
  RSA286943  Sonchus oleraceus R. F. Thorne, Gary D. Wallace, Mark Hoefs 1977-4-28 48825 Santa Barbara Santa Rosa Island. Box Canyon. SW of SE Anchorage 76 Comment
  RSA286945  Sonchus oleraceus R. F. Thorne, Gary D. Wallace, Mark Hoefs 1977-4-30 48745 -b Santa Barbara Santa Rosa Island, Canada Lobos, along weedy stream side 23 Comment
  RSA286993  Sonchus oleraceus R. F. Thorne, Gary D. Wallace, Mark Hoefs 1977-4-28 48956 Santa Barbara Santa Rosa Island: E end, S of Beechers Bay, W of Southeast Anchorage Comment
  RSA289121  Sonchus oleraceus R. M. Beauchamp, H. A. Wilis 1978-6-29 s.n. Santa Barbara San Nicolas Island 23 Comment
  RSA300138  Sonchus oleraceus J. T. Howell 1976-5-16 51630 Kern Delano. 98 Comment
  RSA305474  Sonchus oleraceus R. F. Thorne, John Dourley, Walter Wisura, et al. 1979-4-25 52556 Santa Barbara Santa Cruz Island. Christi Canyon E of Christi Ranch. 198 Comment
  RSA306785  Sonchus oleraceus R. F. Thorne, C. W. Tilforth, Bob Given 1979-5-1 52744 Santa Barbara San Miguel Island, lake bed near airstrip on west side of island 122 Comment
  RSA306821  Sonchus oleraceus R. F. Thorne, C. W. Tilforth, Bob Given 1979-4-30 52652 Santa Barbara San Miguel Island, above and west of Ranger Station i north-trending canyon 122 Comment
  RSA332433  Sonchus oleraceus R. F. Thorne 1984-5-4 58332 Santa Barbara Santa Cruz Island. Behind Prisoners'Harbor Camp. Comment
  RSA3479  Sonchus oleraceus C. B. Wolf 1932-5-9 3422 Los Angeles Santa Catalina Island; Avalon. 8 Comment
  RSA355914  Sonchus oleraceus R. F. Thorne 1975-9-4 47386 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  RSA38980  Sonchus oleraceus E. A. Purer 1932-3-29 2710 San Diego Silver Strand. Comment
  RSA466265B  Sonchus oleraceus A. C. Sanders 1987-11-28 7430 San Bernardino Glen Helen Sheriff's Training Facility, Lower Lytle Creek Wash betw Verdemont Ranch and Glen Helen Rehabilitation Facility. 518 Comment
  RSA474096  Sonchus oleraceus Gary D. Wallace, R. F. Thorne, Mark Hoefs, D. Tilforth, B. Given 1979-4-3 1591 Ventura San Nicolas Island, level ground near Naval Airfield hangers 159 Comment
  RSA474099  Sonchus oleraceus Dorothy G. Nichols 1940-4-6 6 Alameda KRE pond, foot of Ashby Avenue, Berkeley. 0 Comment
  RSA474100  Sonchus oleraceus M. B. Dunkle 1931-7-18 2511 Alameda Strawberry Canyon, Berkeley; San Francisco Bay [region]. Comment
  RSA474101  Sonchus oleraceus M. B. Dunkle 1931-7-18 2512 Alameda Strawberry Canyon, Berkeley Comment
  RSA474102  Sonchus oleraceus Robin S. Collins 1973-5-15 265 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  RSA474107  Sonchus oleraceus M. B. Dunkle 1928-10-7 2013 Los Angeles Santa Catalina Island. Descanso Canyon. 244 Comment
  RSA474108  Sonchus oleraceus F. R. Fosberg 1931-4-12 S- 4574 Los Angeles Near Jewfish Point, Santa Catalina Island. 3 Comment
  RSA474109  Sonchus oleraceus F. R. Fosberg 1931-4-1 S- 4437 Los Angeles Hamilton canyon, near Avalon, Santa Catalina Island, 70 Comment
  RSA474110  Sonchus oleraceus M. B. Dunkle 1931-4-22 2453 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA474111  Sonchus oleraceus M. B. Dunkle 1931-4-22 2468 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA474113  Sonchus oleraceus M. B. Dunkle 1937-8-5 5156 Mendocino Pothandle Creek. Comment
  RSA474114  Sonchus oleraceus Christopher Davidson 1977-5-26 5692 San Bernardino Clark Mtn. at Pachalka Spring. 1494 Comment
  RSA474115  Sonchus oleraceus M. B. Dunkle 1933-2-18 3006 San Diego Del Mar. 6 Comment
  RSA474117  Sonchus oleraceus M. B. Dunkle 1939-8-10 8521 Santa Barbara Santa Rosa Island. Ranch Canyon. Comment
  RSA474118  Sonchus oleraceus M. B. Dunkle 1939-8-13 8589 Santa Barbara Santa Cruz Island. Prisoner's Harbor. Comment
  RSA474121  Sonchus oleraceus F. H. Elmore 1938-8-12 304 Santa Barbara Santa Barbara Island. Comment
  RSA474124  Sonchus oleraceus M. B. Dunkle 1940-8-20 7649 Ventura Anacapa Island. Seepage cliff. Spring cave. Comment
  RSA474126  Sonchus oleraceus M. B. Dunkle 1939-7-22 8306 Ventura Coral Harbor, San Nicolas Island Comment
  RSA474127  Sonchus oleraceus Gary D. Wallace, R. F. Thorne, Mark Hoefs, D. Tilforth, B. Given 1979-4-3 1640 Ventura San Nicolas Island, near water tank seepage area northwest end of mesa Comment
  RSA474128  Sonchus oleraceus M. B. Dunkle 1939-7-23 8330 Ventura Big Creek Canyon, San Nicolas Island Comment
  RSA474129  Sonchus oleraceus H. M. Pollard 1970-4-7 s.n. Ventura Flood-plain of Ventura River north of and near Baldwin Road (RT. 150) crossing Comment
  RSA474132  Sonchus oleraceus H. M. Pollard 1970-5-26 s.n. Ventura Shaded gully on Casitas Pass Road, about 1 mile north of Ventura River bridge, Foster Park Comment
  RSA4781  Sonchus oleraceus James Snow s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  RSA502896  Sonchus oleraceus Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA511330  Sonchus oleraceus A. C. Sanders 1988-5-18 7844 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Drive, & E of Vista Del Mar Blvd. 1 Comment
  RSA533523  Sonchus oleraceus Timothy S. Ross 1991-3-9 4172 Los Angeles Whittier Hills (Puente Hills, pro parte): seepage ca 300 ft SW of Colima Rd x Camino del Sur. 213 Comment
  RSA5505  Sonchus oleraceus C. B. Wolf 1932-6-28 3759 Orange Along western half of no. boundary of 40 acre Valencia Orange grove at Bryant Ave. and Hansen Road. 9 Comment
  RSA559452  Sonchus oleraceus Steve Boyd, Timothy S. Ross 1992-5-5 7216 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA591062  Sonchus oleraceus J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10927 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  RSA594990  Sonchus oleraceus Mark Hoefs, R. F. Thorne 1996-4-6 2633 Los Angeles Santa Catalina Island. End of Renton Mine Road. 268 Comment
Read comments
Nov 20 2009
  RSA599685  Sonchus oleraceus Steve Boyd, Lauren Raz 1997-5-6 9704 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA600754  Sonchus oleraceus L. C. Wheeler 1967-6-16 9848 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; N of Coulter Reservoir. 640 Comment
  RSA608872  Sonchus oleraceus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  RSA614168  Sonchus oleraceus D. L. Banks 1997-2-23 1309 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA614674  Sonchus oleraceus Scott D. White 1993-3-12 1177 Riverside Near Winchester. Comment
  RSA614889  Sonchus oleraceus Scott D. White, Brian Leatherman 1997-4-3 4873 Fresno Kings River area: E of Centerville, just S of St. Hwy 180 (Kings Cyn Rd) at gravel quarry. 107 Comment
  RSA629052  Sonchus oleraceus Valerie L. Soza, Laura Moore 1999-6-30 602 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  RSA637502  Sonchus oleraceus Valerie L. Soza, LeRoy Gross 1999-5-10 451 Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  RSA638813  Sonchus oleraceus Valerie L. Soza, Laura Moore 1999-6-30 589 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 853 Comment
  RSA645616  Sonchus oleraceus Scott D. White, Steve Ogg 1994-4-21 1991 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA647870  Sonchus oleraceus LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 236 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 548 Comment
  RSA649383  Sonchus oleraceus A. E. Hersh 1950-7-26 s.n. Los Angeles Campus UCLA, Botanic garden near NW end. 60 Comment
  RSA651185  Sonchus oleraceus Richard L. Herrin 1948-5-13 s.n. Los Angeles Burbank. Corner of Olive Ave. & Kenneth Road Comment
  RSA653061  Sonchus oleraceus D. House 1994-5-20 94 -55 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
Read comments
Jan 23 2014
  RSA653178  Sonchus oleraceus David Barrios 1991-5-8 29 Orange 1500 ft. Northwest of Fairmont Ave and Quail cir. 365 Comment
  RSA657026  Sonchus oleraceus Joseph M. Keefe 2001-1-19 30903 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California 90042. 262 Comment
  RSA657284  Sonchus oleraceus Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -14 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  RSA670984  Sonchus oleraceus Joseph M. Keefe 2001-1-19 30917 Los Angeles Roadside along Sholl Canyon Road, 3 meters north of beginning of the Eagle Rock Park Path, 200 meters north of Figueroa Street, Eagle Rock. 280 Comment
  RSA674660  Sonchus oleraceus Scott D. White 2000-8-5 8116 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA675939  Sonchus oleraceus LeRoy Gross 2003-3-9 802 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  RSA678347  Sonchus oleraceus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10459 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA679271  Sonchus oleraceus Valerie L. Soza, LeRoy Gross 2001-5-14 1215 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  RSA682260  Sonchus oleraceus Mark A. Elvin 2003-5-3 2633 San Diego Peninsular Ranges, San Ysidro Mountains: SE side of Otay Mtn., western Marron Valley, mouth of Mine Canyon, ca. 1 km N of Mexican border, slopes above Tijuana River 152 Comment
  RSA704741  Sonchus oleraceus Sarah J. De Groot, J. Mark Porter 2003-3-1 1062 San Bernardino Whipple Mountains: Bass Point, along Parker Dam road. 107 Comment
  RSA705558  Sonchus oleraceus Sarah J. De Groot, Angela Gatto, Chris Stevenson, Constance Baldwin 2003-4-19 2351 San Bernardino Whipple Mts: Canyon on NE side of mountains, off powerline road. 287 Comment
  RSA707075  Sonchus oleraceus Sarah J. De Groot, Krina De Groot, Leland Lubinsky, Linda Lee Worlow 2004-3-17 3772 San Bernardino WHIPPLE MOUNTAINS: Whipple Wash, ~2.5 hr. walk upstream from powerline road. 316 Comment
  RSA708070  Sonchus oleraceus Scott D. White, Angelia Carey 2004-4-16 10175 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA708953  Sonchus oleraceus A. C. Sanders 2005-6-24 31201 San Diego South Coast: San Dieguito Lagoon Ecological Reserve (DFG), north edge of reserve along Palm Lane (closed/abandoned) east of San Dieguito Dr. near old airport site. 0 Comment
  RSA710557  Sonchus oleraceus Sarah J. De Groot 2004-3-1 3561 San Bernardino Whipple Mountains: Copper Basin reservoir, just inside gate by lake. MWD property. 315 Comment
  RSA711548  Sonchus oleraceus LeRoy Gross, Naomi Fraga, Aydee Virgen, Tim Thibault 2005-4-5 1825 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
  RSA714891  Sonchus oleraceus Sarah J. De Groot 2004-3-29 3933 San Bernardino Whipple Mountains: Copper Basin reservoir, ~NE side of lake. MWD property. 302 Comment
  RSA715871  Sonchus oleraceus Sarah J. De Groot, J. Mark Porter 2003-3-18 1688 San Bernardino Whipple Mountains: Tamarisk grove along Havasu Palms road. 195 Comment
  RSA730994  Sonchus oleraceus Fred M. Roberts 2006-11-15 6468 Orange Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing. 85 Comment
  RSA731781  Sonchus oleraceus J. P. Rebman, Jim Rocks, Karen Mabb 2008-2-26 14126 San Diego Camp Pendleton Marine Corps Base: Training Area Romeo 2 in the northwestern portion of base; coastal side of San Onofre Mountain, along Sky Rd towards the towers on top of San Onofre Mountain. 200 Comment
  RSA732175  Sonchus oleraceus A. C. Sanders, Fred M. Roberts 2008-3-25 34545 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA733222  Sonchus oleraceus Melvin M. Sweet 2007-5-10 416 San Diego City of San Diego; 0.2 mi NE of inters. of Eastgate Mall and Genessee Ave, 1.6 mi SE of inters. of I-5 and I-805. Near top of canyon running form [from] Eastgate Mall to Roselle St. 101 Comment
  RSA733680  Sonchus oleraceus R. G. Swinney 1998-8-6 6671 Los Angeles Falls Gulch, waterfall 100m above confluence with upper East Fork San Gabriel River. 1037 Comment
  RSA737537  Sonchus oleraceus Fred M. Roberts 2008-3-12 6725 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA742439  Sonchus oleraceus R. G. Swinney 2008-11-7 9777 San Bernardino Glen Helen Regional Park, marsh to the west of the fishing lakes 610 Comment
  RSA752339  Sonchus oleraceus Justin M. Wood 2009-7-26 1182 San Bernardino Wineville Flood Control Basin, NW corner of E Francis St and Wineville Rd, immediately E on Interstate 15. 268 Comment
  RSA767461  Sonchus oleraceus J. Mark Porter, Orlando Mistretta, S. Hobbs 2002-3-2 13398 Imperial Imperial Dunes Recreation Area [Algodones Dunes], 0.5 miles west-southwest of Ogilby, west of County road S34. 95 Comment
  RSA770873  Sonchus oleraceus R. F. Thorne 1965-5-10 34507 Los Angeles Near upper end of Gallagher Canyon, Santa Catalina Island. 427 Comment
  RSA772967  Sonchus oleraceus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4776 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA781621  Sonchus oleraceus Duncan S. Bell, Lindsay Ward 2011-7-14 2771 San Bernardino San Bernardino National Forest:northwest of Holcomb Valley, approximately 1.5 air miles northeast of the junction of forest service road 3N14 and Holcomb Creek, or approximately 0.4 air mile west of Hitchcock Spring. 2135 Comment
  RSA793260  Sonchus oleraceus R. F. Thorne 1984-1 s.n. Orange Newport Back Bay Comment
  RSA798394  Sonchus oleraceus J. Barth 2010-2-5 897 San Diego City of San Diego; edge of San Diego Bay at Shelter Island Yacht Basin; corner of Talbot Street and Anchorage Lane. 10 Comment
  RSA799950  Sonchus oleraceus D. M. Ray 2011-1-19 4 Orange South Coast: Santa Ana River: along right of way road just west of Least Tern Island. 0 Comment
  SBBG100769  Sonchus oleraceus W. L. Halvorson 1977-3-29 77 -208 San Diego Oceanside Comment
  SBBG102143  Sonchus oleraceus M. Daily 1979-7-28 139 Ventura NW part of the island; ca. the water tank on the way to Red Eye 152 Comment
  SBBG102144  Sonchus oleraceus M. Daily 1978-4-29 48 Ventura Daytona Beach Comment
  SBBG102145  Sonchus oleraceus M. Daily 1979-7-28 149 Ventura Celery Cyn Comment
  SBBG102212  Sonchus oleraceus M. Daily 1982-3-6 SR 443 Santa Barbara cyn below mess hall, main ranch Comment
  SBBG102213  Sonchus oleraceus M. Daily 1979-5-6 SR 196 Santa Barbara Lobos Cyn Comment
  SBBG108436  Sonchus oleraceus N. Meng 1967-5-22 402 Kern China Lake, S side of telephone building Comment
  SBBG10995  Sonchus oleraceus E. R. Blakley 1960-4-9 3169 Santa Barbara head of W fork of Windmill Cyn 335 Comment
  SBBG110005  Sonchus oleraceus C. B. Hardham 1957-7-15 2462 San Luis Obispo Graves Crk, Del Rio Rd Comment
  SBBG111188  Sonchus oleraceus E. Painter, E. Neese 1996-8-30 HL 2977 Monterey former site of Jolon Village Store, ca. 0.1 km SW of jct of Mission Crk and Jolon Rds, ca. 0.4 km W of Jolon Crk, ca. 2.5 km N of San Antonio River; Ft Hunter Liggett 295 Comment
  SBBG113003  Sonchus oleraceus K. McEachern 1993-4-28 164 a San Diego Point Loma, N end of park immediately N of maintenance yard 91 Comment
  SBBG11329  Sonchus oleraceus E. R. Blakley 1961-4-30 4261 Santa Barbara Willow Cyn 0.6 mi SE of the old ranch house 121 Comment
  SBBG118337  Sonchus oleraceus D. C. Estrella 2003-4-25 147 San Diego W of Woodward Rd, near intersection with Propagation Rd, ca. 500 ft N of crossroads; Pt Loma Naval Facility 33 Comment
  SBBG124387  Sonchus oleraceus R. Burgess, P. Munro 1999-11-26 3671 Ventura 221 Juneau Place, El Rio area; Oxnard 25 Comment
  SBBG124696  Sonchus oleraceus R. Burgess, P. Munro 2001-3-23 4418 Ventura San Buenaventura St Beach, sandy flat S of Lifeguard Tower; Ventura 3 Comment
  SBBG12614  Sonchus oleraceus P. H. Raven 1962-4-9 17139 Los Angeles near barracks, Wilson Cove 60 Comment
  SBBG126870  Sonchus oleraceus S. A. Junak 1995-7-21 SM 6072 Santa Barbara N side of Lester Ranch airstrip 182 Comment
  SBBG12897  Sonchus oleraceus E. R. Blakley 1961-4-22 4099 Ventura mesa S of housing area 121 Comment
  SBBG129247  Sonchus oleraceus K. Danielsen, B. Halverson 1987-4-9 Ventura W end of Island 152 Comment
  SBBG131200  Sonchus oleraceus S. A. Junak, E. Philbrick, R. Philbrick 1980-5-7 WA 138 Ventura upper W fork of Summit Cyn 167 Comment
  SBBG13282  Sonchus oleraceus M. A. Piehl, P. H. Raven 1962-6-9 62358 Los Angeles China Pt, S of lighthouse 3 Comment
  SBBG13360  Sonchus oleraceus E. R. Blakley 1962-3-31 4907 Ventura flat area near the top and center of island 91 Comment
  SBBG13514  Sonchus oleraceus E. R. Blakley 1961-5-18 4386 Ventura large cyn on N side of highest peak 91 Comment
  SBBG14914  Sonchus oleraceus H. M. Pollard 1962-10-19 Ventura Southern Pacific Railroad, near oilfields, Ortonville Comment
  SBBG16070  Sonchus oleraceus E. C. Twisselmann 1962-10-20 7931 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  SBBG16100  Sonchus oleraceus M. A. Piehl 1962-7-29 62430 Santa Barbara Sandyland, near railroad; Carpinteria 4 Comment
  SBBG17544  Sonchus oleraceus E. R. Blakley 1963-5-22 5819 Santa Barbara base of sand spit at Cardwell Pt 7 Comment
  SBBG17704  Sonchus oleraceus E. R. Blakley 1963-5-23 5868 Santa Barbara W side of Cuyler Harbor 106 Comment
  SBBG17922  Sonchus oleraceus E. R. Blakley 1963-5-4 5630 Santa Barbara mouth of Cave Cyn, E side of island 9 Comment
  SBBG20497  Sonchus oleraceus E. R. Blakley 1963-12-7 6371 Los Angeles 200 yds SE of new air strip 60 Comment
  SBBG20968  Sonchus oleraceus H. M. Pollard 1964-4-25 Ventura San Antonio Crk Rd, near Royal Oaks Dairy; Ojai Comment
  SBBG21416  Sonchus oleraceus M. A. Piehl 1963-5-5 63180 Santa Barbara above Landing Cove 45 Comment
  SBBG21453  Sonchus oleraceus M. A. Piehl 1963-5-5 63160 Santa Barbara mouth of Middle Cyn 45 Comment
  SBBG21516  Sonchus oleraceus M. A. Piehl 1963-5-12 63295 Ventura near Triangulation Pt Anacapa, E of "knife edge" near Fish Camp 83 Comment
  SBBG22619  Sonchus oleraceus R. N. Philbrick with R. E. Broder 1965-5-16 B 65 -1051 Santa Barbara ridge ca. 3 mi SW of Sandy Pt 182 Comment
  SBBG23747  Sonchus oleraceus E. R. Blakley 1964-9-5 6510 Ventura just above tide line Frenchman's Cove [Frenchys Cove] Comment
  SBBG24219  Sonchus oleraceus E. R. Chandler 1966-2-4 2767 Santa Barbara S of Carpinteria and toward ocean from US Hwy 101 Comment
  SBBG24686  Sonchus oleraceus P. H. Raven, H. J. Thompson 1966-4-23 20705 Ventura Seal Beach, NW end of island Comment
  SBBG28119  Sonchus oleraceus H. M. Pollard 1967-8-30 Santa Barbara Santa Barbara Harbor breakwater Comment
  SBBG29550  Sonchus oleraceus R. N. Philbrick 1968-3-18 B 68 -54 Santa Barbara Landing Cove area 15 Comment
  SBBG29552  Sonchus oleraceus R. N. Philbrick 1968-3-18 B 68 -43 Santa Barbara Landing Cove area 30 Comment
  SBBG31417  Sonchus oleraceus R. F. Thorne 1966-4-5 35846 Los Angeles Cottonwood Cyn 106 Comment
  SBBG32151  Sonchus oleraceus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -237 Los Angeles S side of Little Harbor Comment
  SBBG32632  Sonchus oleraceus R. N. Philbrick 1968-3-22 B 68 -108 Santa Barbara just E of old ranch site and ENE of airstrip 152 Comment
  SBBG32633  Sonchus oleraceus R. N. Philbrick 1968-3-22 B 68 -125 Santa Barbara middle part of trail from Cuyler Harbor to old ranch site 76 Comment
  SBBG32655  Sonchus oleraceus R. N. Philbrick with D. W. Ricker 1967-3-18 B 67 -10 Ventura lower trail, NE of Camel Pk 15 Comment
  SBBG32660  Sonchus oleraceus R. N. Philbrick 1965-3-27 65 459 a Ventura Sheep Ranch, Eucalytpus Grove 22 Comment
  SBBG32804  Sonchus oleraceus R. N. Philbrick with D. W. Ricker 1969-3-15 B 69 -50 Santa Barbara lower-middle Cliff Cyn Comment
  SBBG32970  Sonchus oleraceus R. E. Foreman, E. C. Evans, S. C. Rainey 1965-7-28 95 Ventura overlooking Tule Crk 129 Comment
  SBBG33548  Sonchus oleraceus R. N. Philbrick with M. R. Benedict 1969-6-10 B 69 -141 Ventura Beach Rd, between runway and barracks; between Celery Crk and Sand Spit 137 Comment
  SBBG33758  Sonchus oleraceus R. N. Philbrick 1964-6-20 B 64 -211 Santa Barbara ca. 1 mi NW of Cardwell Pt 30 Comment
  SBBG35792  Sonchus oleraceus J. P. Broughton 1965-7-29 1159 Santa Barbara Sandyland slough, W of Carpinteria Comment
  SBBG37183  Sonchus oleraceus H. M. Pollard 1970-5-26 Ventura Casitas Pass Rd, ca. 1 mi N of Ventura River bridge, Foster Park Comment
  SBBG37340  Sonchus oleraceus H. M. Pollard 1970-4-7 Ventura Ventura River, N of and near Baldwin Rd (St Hwy 150) crossing Comment
  SBBG40731  Sonchus oleraceus E. R. Blakley 1969-11-15 7020 Ventura Frenchman's Cove [Frenchys Cove] 15 Comment
  SBBG40797  Sonchus oleraceus H. M. Pollard 1958-10-30 Santa Barbara Via Bendita, Hope Ranch; Santa Barbara Comment
  SBBG42258  Sonchus oleraceus M. B. Dunkle 1939-7-22 8306 Ventura Corral Harbor Comment
  SBBG42259  Sonchus oleraceus M. B. Dunkle 1939-4-6 7289 Los Angeles Mosquito Harbor Comment
  SBBG42262  Sonchus oleraceus M. B. Dunkle 1939-8-2 8421 Santa Barbara Cuyler Harbor Comment
  SBBG42264  Sonchus oleraceus M. B. Dunkle 1939-7-23 8330 Ventura Big Crk Cyn [Grand Cyn] Comment
  SBBG42293  Sonchus oleraceus M. B. Dunkle 1939-8-13 8589 Santa Barbara Prisoners Harbor Comment
  SBBG42303  Sonchus oleraceus M. B. Dunkle 1940-3-21 7450 Santa Barbara east slope Comment
  SBBG42305  Sonchus oleraceus M. B. Dunkle 1939-5-29 8131 Santa Barbara west side Comment
  SBBG43134  Sonchus oleraceus M. R. Benedict 1970-4-22 Ventura N of Coast Guard Compound, E part of east island Comment
  SBBG43141  Sonchus oleraceus M. R. Benedict 1970-4-22 Ventura NW of lighthouse, E part of island Comment
  SBBG43832  Sonchus oleraceus M. R. Benedict 1971-7-14 Santa Barbara 0.75 mi N of Tyler Bight Comment
  SBBG46015  Sonchus oleraceus R. N. Philbrick 1972-3-17 B 72 -25 Santa Barbara San Miguel Hill, NPS transect 10b Comment
  SBBG46247  Sonchus oleraceus E. R. Blakley 1962-6-10 5259 Los Angeles near Wall 2 15 Comment
  SBBG47994  Sonchus oleraceus M. R. Benedict 1968-11-2 Santa Barbara Buena Vista Comment
  SBBG48114  Sonchus oleraceus L. S. Matlovsky -Jan-1974 DM 5931 -59 Santa Barbara Signal Oil Company lease property, W of Coal Oil Pt Reserve, ca. 50 yds inland from coast Comment
  SBBG48678  Sonchus oleraceus R. N. Philbrick 1974-8-5 B 74 -146 Ventura just N of water tank building, old Coast Guard building Comment
  SBBG51705  Sonchus oleraceus R. N. Philbrick 1966-1-3 B 66 -04 Santa Barbara between sand drift and Toyon Cyn, Willow Cyn area 60 Comment
  SBBG51707  Sonchus oleraceus R. N. Philbrick with D. M. Smith, A. Flinck 1965-2-1 B 65 -111 Santa Barbara Canada del Puerto 38 Comment
  SBBG51708  Sonchus oleraceus M. R. Benedict 1967-8-29 Santa Barbara W side of mouth of Horqueta Cyn, ca. 2 mi E of Laguna Harbor 3 Comment
  SBBG51808  Sonchus oleraceus M. R. Benedict 1968-3-21 Santa Barbara near S end of Christi beach Comment
  SBBG52604  Sonchus oleraceus R. Zembal 1977-5-21 Ventura field W of Laguna Rd and N of Beach Rd; Pacific Missile Test Center Comment
  SBBG53139  Sonchus oleraceus R. Pitman, M. Naughton 1977-6-4 Santa Barbara SW portion of Prince Island Comment
  SBBG54754  Sonchus oleraceus S. A. Junak with R. N. Philbrick 1982-4-23 MA 63 Ventura Lavatera Cove, near E end of island 15 Comment
  SBBG54917  Sonchus oleraceus M. C. Hochberg 1979-4-4 Santa Barbara N of upper Graveyard Cyn Comment
  SBBG55790  Sonchus oleraceus M. J. Edsall 1980-3-4 3 San Luis Obispo 1600 block of Fairview Ave 76 Comment
  SBBG57761  Sonchus oleraceus S. A. Junak 1998-4-22 6373 Santa Barbara SE side of Prince Island 30 Comment
  SBBG67922  Sonchus oleraceus R. Hoffmann 1925-5-7 Santa Barbara Carpinteria Comment
  SBBG67928  Sonchus oleraceus H. M. Pollard 1946-4-28 Ventura Ventura River Comment
  SBBG67929  Sonchus oleraceus H. M. Pollard 1944-10-20 Ventura North Signal St; Ojai Comment
  SBBG67930  Sonchus oleraceus P. Bartholomew 1939-8-8 Santa Barbara Romero Cyn Comment
  SBBG67931  Sonchus oleraceus M. N. Ackley -Dec-1928 1165 Los Angeles Eagle Rock 182 Comment
  SBBG79449  Sonchus oleraceus R. Hoffmann 1929-3-16 Ventura Anacapa Island Comment
  SBBG79450  Sonchus oleraceus L. G. Yates 1893-1 Santa Barbara Santa Cruz Island Comment
  SBBG79451  Sonchus oleraceus R. Bond 1939-4-16 368 Ventura Anacapa Island Comment
  SBBG79452  Sonchus oleraceus R. Hoffmann 1925-3-28 Santa Barbara Santa Cruz Island Comment
  SBBG79453  Sonchus oleraceus R. Hoffmann 1930-9-22 Santa Barbara Dick's Harbor (Dix Harbor) Comment
  SBBG79454  Sonchus oleraceus R. Hoffmann 1931-4-11 Santa Barbara main ranch Comment
  SBBG79457  Sonchus oleraceus R. Hoffmann 1927-3-25 Santa Barbara San Miguel Island Comment
  SBBG79458  Sonchus oleraceus R. Bond 1939-4-14 378 Santa Barbara Santa Barbara Island Comment
  SBBG79459  Sonchus oleraceus R. Hoffmann 1929-4-16 Santa Barbara Lobos Cyn Comment
  SBBG79460  Sonchus oleraceus R. Bond 1939-4-19 410 Santa Barbara San Miguel Island Comment
  SBBG86416  Sonchus oleraceus C. F. Smith 1943-11-25 401 Santa Barbara Mission Crk, Mission Cyn 182 Comment
  SBBG86614  Sonchus oleraceus T. L. Secrest 1964-4-20 Santa Barbara Los Olivos St and Castillo St; Santa Barbara Comment
  SBBG8851  Sonchus oleraceus C. F. Smith 1944-4-1 656 Santa Barbara Mission Crk, Santa Barbara Botanic Garden [natural; not planted] Comment
  SBBG89538  Sonchus oleraceus J. Adams 1965-7-17 364 a San Bernardino 652 S Cactus Ave, Rialto 365 Comment
  SBBG91507  Sonchus oleraceus M. R. Benedict 1967-9-12 Santa Barbara mouth of Water Cyn, ca. 0.5 mi E of Prisoners Harbor Comment
  SBBG91660  Sonchus oleraceus S. A. Junak 1986-4-22 MA 101 Ventura N edge of terrace, W of Sea Arch Peninsula 60 Comment
  SBBG9211  Sonchus oleraceus E. R. Blakley 1959-4-24 2746 Ventura between boat dock and the village 60 Comment
  SBBG94285  Sonchus oleraceus T. Murphey, J. Vanderwier 1983-8-30 Santa Barbara N side of trail on the E slope of North Pk, just below summit Comment
  SBBG94720  Sonchus oleraceus J. DiVittorio 1986-5-27 3 Ventura overlooking strand E of Thousand Springs, N side of island Comment
  SBBG95256  Sonchus oleraceus M. B. Dunkle 1928-4-11 1854 Los Angeles near isthmus 15 Comment
  SBBG95334  Sonchus oleraceus C. F. Smith 1943-9-2 22 Santa Barbara near end of Cheltenham Rd, above Tunnel Rd, Mission Cyn Comment
  SBBG95403  Sonchus oleraceus M. B. Dunkle 1928-5-13 1939 Los Angeles near Wishbone Loop, Coach Rd 243 Comment
  SBBG95911  Sonchus oleraceus M. B. Dunkle 1939-5-29 8131 Santa Barbara west side Comment
  SBBG96627  Sonchus oleraceus S. Boyd with T. Ross, L. Arnseth 1990-4-6 4153 Los Angeles Lemon Tank Cyn (used as dumping area) 274 Comment
  SBBG96828  Sonchus oleraceus D. A. Young, S. A. Junak, T. Ayers, R. Scott 1989-3-29 1874 Santa Barbara Willows Cyn, ca. 3 km N of Willows Anchorage 137 Comment
  SBBG98063  Sonchus oleraceus T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5151 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 249 Comment
  SD10325  Sonchus oleraceus Frank F. Gander 1935-2-19 124 San Diego Mahogany Canyon, east San Diego. Comment
  SD10587  Sonchus oleraceus Frank F. Gander 1935-3-13 139 San Diego Moosa Canyon north of Escondido. Comment
  SD11595  Sonchus oleraceus Frank F. Gander 1935-6-15 221 San Diego Ocean Beach Comment
  SD124502  Sonchus oleraceus Barry Prigge 1986-3-14 6889 San Diego San Mateo Creek: South of San Clemente and upstream from I-5 ca. 0.5 miles. 35 Comment
  SD138158  Sonchus oleraceus John W. Brown 1995-4-15 MM 187 San Diego Northeaster portion of McGinty Mountain, dirt road from Sloan Canyon to The Mesa. Comment
  SD138160  Sonchus oleraceus John W. Brown 1995-4-15 MM 161 San Diego Northeastern portion of McGinty Mountain, dirt road from Sloan Canyon to The Mesa. SW corner of USGS 7.5 minute Alpine quadrangle. Comment
  SD138161  Sonchus oleraceus John W. Brown 1995-4-8 MM 129 San Diego Northeastern portion of McGinty Mountain,dirt road from Sloan Canyon to The Mesa. SW corner of USGS 7.5 minute Alpine quadrangle. Comment
  SD138186  Sonchus oleraceus John W. Brown 1994-4-17 MM 433 San Diego McGinty Mountain near Jamul; trail from Peg Leg Mine to peak. Comment
  SD138187  Sonchus oleraceus John W. Brown 1994-4-17 MM 442 San Diego McGinty Mountain, near Jamul, trail from Peg Leg Mine to peek. Comment
  SD140176  Sonchus oleraceus Scott White 1993-4-22 1258 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 490 Comment
  SD148430  Sonchus oleraceus Jon Rebman 2000-1-14 6137 San Diego San Diego Urban Canyons, North Park area: Switzer Canyon, mostly W of 30th Street 99 Comment
  SD152116  Sonchus oleraceus Jon Rebman, Oscar Solis, Karen Rich, Bob Lauri 2000-2-11 6171 San Diego San Diego Urban Canyons, North Park/Golden Hill: Cedar Ridge area, canyons 149 Comment
  SD152257  Sonchus oleraceus Jon P. Rebman 2000-5-2 6650 San Diego Miramar Training Area #2 East Side. 299 Comment
  SD152920  Sonchus oleraceus Steve Boyd, Tim Ross 1992-5-5 7216 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  SD153400  Sonchus oleraceus Jeannie Gregory 2003-4-26 51 San Diego Roland Reed's Mine on Pala Chief Mountain 395 Comment
  SD153401  Sonchus oleraceus Jeannie Gregory 2003-4-26 49 San Diego Roland Reed's Mine on Pala Chief Mountain 395 Comment
  SD154486  Sonchus oleraceus Margaret Fillius 2004-3-1 11 San Diego South West section of Rose Canyon 43 Comment
  SD154921  Sonchus oleraceus Gay Dorius 2004-4-5 21 San Diego San Diego, N. Clairemont, Clairemont Mesa Blvd. 11/2 blks. E. of Genesee, mesa top on S. side behind Boy's club 113 Comment
  SD156425  Sonchus oleraceus Jon P. Rebman 2004-1-18 9840 San Diego San Diego: Clairemont/Bay Park area: in yard at 3427 Mt. Laurence, 92117. South of Balboa Ave. and east of Morena Blvd. 61 Comment
  SD157029  Sonchus oleraceus Jerilyn Hirshberg 2004-6-6 692 San Diego Intersection of San Diego River and Ouandi Creek, rocky stream bed with moist crevices and pools 975 Comment
  SD157030  Sonchus oleraceus Emanuel Kauder 2004-4-24 9 San Diego Scripps Ranch 0.5 mi E and 1 mi S of intersect of Pomerado Rd and Beeler Canyon Rd on flat area just off disturbed dirt road bed Comment
  SD158523  Sonchus oleraceus Dinna C. Estrella 2003-4-25 147 San Diego Point Loma Naval Facility, SPAWAR. West of Woodward Rd., nearest cross street Propagation Rd. ca. 500 ft. North of cross roads. 32 Comment
  SD159520  Sonchus oleraceus Jon P. Rebman, J. Gregory 2003-4-15 8459 San Diego Crestridge Ecological Reserve: west of La Cresta between Alpine and El Cajon 455 Comment
  SD159763  Sonchus oleraceus Scott Snover 2004-4-14 60 San Diego North of Escondido, SE corner of W. Lilac and Circle R Drive 316 Comment
  SD159764  Sonchus oleraceus David Lawhead 2004-4-13 1 San Diego Agua Hedionda Lagoon - east end, Southeast of the City of Carlsbad 103 Comment
  SD160685  Sonchus oleraceus Jon P. Rebman 2002-5-14 8080 San Diego Viejas Mountain: North of Alpine, approx. 0.5 miles north of the water tanks on Anderson Truck Trail; east of the road along the main trail to the top 850 Comment
  SD160686  Sonchus oleraceus Jon P. Rebman 2002-8-7 8253 San Diego Kelley/Rebman Ranch at 565 Anderson Truck Trail on northwest side of Viejas Mountain: approx. 2 miles north of Victoria Road in Alpine 800 Comment
  SD161266  Sonchus oleraceus Joe Barth, Jeannie Gregory 2005-3-8 339 San Diego Chula Vista Wildlife Reserve in southeast San Diego Bay, sandy area south of west basin. (CVWR is accessed via electrical power plant and is a human made site constructed as mitigation for the adjacent J St. marina construction). 0 Comment
  SD161267  Sonchus oleraceus Nancy Nenow, Bob Vinton 2005-2-24 30 San Diego Allen Road canyon trail off Ft Stockton Dr. at Hickory St.near top of the canyon (path goes down into Mission Valley and ends at Hotel Circle South) ) 22 Comment
  SD161410  Sonchus oleraceus Jon P. Rebman, Jim Rocks 2005-2-10 10939 Imperial Little Picacho Wilderness Area (BLM property), north of Winterhaven, southwest of Colorado River; approximately 18 miles north of S24, on Picacho Road, just south of the Picacho State Recreation Area. (IPB 10/07) 195 Comment
  SD163126  Sonchus oleraceus Jon P. Rebman, Jeannie Gregory 2003-5-29 9079 San Diego Rancho Jamul Ecological Reserve: west of Hwy. 94, south of Jamul & north of Otay Lakes Road; southwest part of reserve near Jamul Creek on an east-facing slope 259 Comment
  SD163519  Sonchus oleraceus Kerry W. Key 2005-4-16 80 San Diego San Diego, Carmel Valley. Distrubed area near drainage basin connecting Shaw Valley and Carmel Valley. 50 m west of Carmel Country Rd, near interection with Camino Vista Lujo. 29 Comment
  SD163808  Sonchus oleraceus MaryAnn Brooks-Gonyer 2005-2-15 63 San Diego Approximately 10 miles north of Escondido on western edge of Valley Center, Circle R Drive, where road takes turn to the north, approx 1 mile east of Old Highway 395 Comment
  SD163809  Sonchus oleraceus MaryAnn Brooks-Gonyer, Beverly Pecunia 2005-5-6 162 San Diego Approx. 7 miles north of Escondido on Champagne Blvd, about 1/10 mile south of Lawrence Welk Drive Comment
  SD164786  Sonchus oleraceus Andrew C. Sanders 2005-6-2 30404 San Diego Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 701 Comment
  SD165270  Sonchus oleraceus Arne Johanson 2005-3-1 54 San Diego 3 miles west of highway 15, 4 miles east of Rancho Santa Fe and 1.5 miles south of Lake Hodges near corner of Caminito Santa Fe where road turns north and goes uphill (50 meters west of intersection with Four Gee Rd) 180 Comment
  SD165271  Sonchus oleraceus Arne Johanson 2005-2-25 44 San Diego 3 miles west of highway 15, 4 miles east of Rancho Santa Fe and 1.5 miles south of Lake Hodges near corner of Caminito Santa Fe where road turns north and goes uphill (50 meters west of intersection with Four Gee Rd) 152 Comment
  SD165272  Sonchus oleraceus Nuri Pierce, Joe Barth, Chris Schlech & vols. from Helix E. S. 2004-8-28 56 San Diego Lakeside, East end of El Monte Road, El Capitan Reservoir, Upward from the dam Comment
  SD165273  Sonchus oleraceus Emanuel Kauder 2005-4-2 38 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
  SD165760  Sonchus oleraceus Mark A. Elvin, Scott Boczkiewicz 2005-2-5 3945 San Diego W side of Otay Mtn; 1.5km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of ONeal Canyon. 182 Comment
  SD166517  Sonchus oleraceus Jon P. Rebman, Jeannie Gregory 2004-5-11 10158 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
  SD166882  Sonchus oleraceus Jon P. Rebman, J. Gregory and J. Rocks 2004-6-1 10555 San Diego Otay Mountain Ecological Reserve (California Dept. of Fish & Game): Southeast of Otay Lake; south of Otay Lakes Road, just north of the old olive grove 374 Comment
  SD166883  Sonchus oleraceus Jon P. Rebman, J. Gregory & parabotany team 2004-8-20 10687 San Diego Lake Sutherland: north of Hwy. 78 between Ramona and Santa Ysabel; dry lakebed at southeast end of lake 605 Comment
  SD167755  Sonchus oleraceus Kerry W. Key 2005-4-10 61 San Diego San Diego, Del Mar Mesa. 0.5 km south of Highway 56. Ridge just south of man-made pond in Deer Canyon. 92 Comment
  SD167756  Sonchus oleraceus Larry Hendrickson, Kim Marsden 2003-10-20 205 San Diego Anza-Borrego Desert State Park, Sentenac Cienega just south of State Highway 78 and east of county road S-2 southside of alkali sink in disturbed area. Comment
  SD167757  Sonchus oleraceus Kerry W. Key 2005-4-10 60 San Diego San Diego, Del Mar Mesa. 0.5 km south of Highway 56. Ridge just south of man-made pond in Deer Canyon. 92 Comment
  SD168449  Sonchus oleraceus Jon P. Rebman, Parabotanists 2005-3-4 11161 San Diego City of La Mesa, east of San Diego; northwest side of Lake Murray on City MSCP property near trail around lake 164 Comment
  SD169863  Sonchus oleraceus Nuri Pierce 2005-3-6 149 San Diego Lakeside, East end of El Monte Road, El Capitan Reservoir; North facing road cut 0.5 mile W of the dam wall. Comment
  SD169864  Sonchus oleraceus Nuri Pierce 2005-3-6 150 San Diego Lakeside, East end of El Monte Road, El Capitan Reservoir; North facing road cut 0.5 mile W of the dam wall. Comment
  SD169865  Sonchus oleraceus Robin Halford 2005-2-8 55 San Diego Approx 3 mi N of Borrego Springs, 536 Indian Head Ranch Rd, 1.5 mi N from intersection with Henderson Canyon Rd. 231 Comment
  SD169866  Sonchus oleraceus Char Glacy, Nancy Nenow 2005-3-21 61 San Diego Anza Borrego Desert State Park, just N of Palm Spring, ca. 5 mi SE of Agua Caliente Springs, ca.1 mi NE of Canebrake Residential Area/Canyon at S2. 267 Comment
  SD169867  Sonchus oleraceus Jeannie Gregory, Joe Barth 2005-6-11 1492 San Diego Alpine, Wright's Field Preserve, 1 mile S of Interstate 8 on Tavern Road; E of Joan MacQueen Middle School 573 Comment
  SD169868  Sonchus oleraceus Richard L. Breisch 2005-2-27 10 San Diego City of San Diego, Mission Bay Park, Least Tern nesting site at south end of Mariner's Way, near end of peninsula. 2 Comment
  SD170934  Sonchus oleraceus Jeremy Buegge 2005-1-22 1244 San Diego Lake Hodges, S of Escondido. SE section of lake, 0.5 mi SE of summit of Bernardo Mtn, 0.5 mi W of I-15. Very near high-water mark (lake recently filled). 146 Comment
  SD170935  Sonchus oleraceus Phillip Roullard 2005-6-10 74 San Diego Tijuana Slough National Wildlife Refuge, Rivermouth trail. 0.6 mi SWS of trailhead at intersection of 5th St and Iris Ave, just W of SW section of Imperial Beach Naval Air Station. 3 Comment
  SD170936  Sonchus oleraceus Joe Barth 2005-4-27 472 San Diego Chula Vista Wildlife Reserve in southeast San Diego Bay: sandy area south of west basin. (CVWR is accessed via electrical power plant and is a human made site constructed as mitigation for the adjacent J St. marina construction). 0 Comment
  SD170937  Sonchus oleraceus Joe Barth 2005-4-28 477 San Diego National City: vacant lot on NE corner of intersection of 9th St. and B Ave; behind (south of) 208 E. 8th St. (Appliance Parts Center). 7 Comment
  SD170938  Sonchus oleraceus Ian Cain, David Kimball 2005-6-27 20 San Diego City of San Diego, Point Loma. Famosa Slough, N of intersection of West Point Loma Blvd and Famosa. 3 Comment
  SD170939  Sonchus oleraceus Jeannie Gregory, Joe Barth 2005-2-5 1248 San Diego Alpine, Viejas Mountain, W slope, E of Anderson Truck Trail approx. 1.0 mile N of intersection with Victoria Dr. 733 Comment
  SD170940  Sonchus oleraceus Larry Hendrickson, L. Louise Jee 2005-4-27 540 San Diego Anza-Borrego Desert State Park. Grave Wash at the SE end of the Santa Rosa Mountains in California State Wilderness. Approx. 5.0 miles WSW of Imperial Co. Hwy 86 at the Grave Wash overpass bridge. 300 ft. west of County line/Park boundary. 167 Comment
  SD170941  Sonchus oleraceus Jeannie Gregory, Jon Rebman, Margie Mulligan, Gale Bustillos 2005-6-16 1519 San Diego Alpine, Viejas Mountain on S slope, I(c) mi N of the West Willows (exit 33) overpass on I 8, 1.5 m E of Victoria Drive. 935 Comment
  SD170942  Sonchus oleraceus Larry Hendrickson 2005-2-24 301 San Diego Anza-Borrego Desert State Park. South side of Coyote Mountain, north of Henderson Canyon Road in Coyote Creek watershed. 60 Comment
  SD170943  Sonchus oleraceus Joe Barth 2005-4-27 473 San Diego Chula Vista Wildlife Reserve in southeast San Diego Bay: sandy area south of west basin. (CVWR is accessed via electrical power plant and is a human made site constructed as mitigation for the adjacent J St. marina construction). 0 Comment
  SD171544  Sonchus oleraceus Jon P. Rebman, Norman Roberts 2005-4-22 11816 San Diego Anza-Borrego Desert State Park: Henderson Canyon, approx. 2 miles north of Borrego Springs; on southwest side of canyon 320 Comment
  SD172019  Sonchus oleraceus E. R. Blakley 1961-5-18 4386 Ventura West Anacapa Island; large canyon north side of highest peak on island. 91 Comment
  SD172772  Sonchus oleraceus MaryAnn Brooks-Gonyer, Beverly Pecunia 2005-6-10 328 San Diego Just north of Gopher Canyon Road, approx. 9 miles north of city of Escondido, about 1/2 mile west of intersection with I-15. Comment
  SD172773  Sonchus oleraceus Claude Edwards 2004-3-26 24 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
  SD172774  Sonchus oleraceus MaryAnn Brooks-Gonyer, Beverly Pecunia 2005-5-23 242 San Diego About 10 miles north of city of Escondido, east of Champagne Blvd, at intersection with Gopher Canyon Road. Comment
  SD173183  Sonchus oleraceus Larry Hendrickson, Kim Marsden, L. Louise Jee 2005-4-14 1921 Imperial Trust for Public Lands Option Properties; South of SE tip of Santa Rosa Mtns. Coral Wash, approx. 2.5 air miles SW of hwy. 86 and 2.0 air miles north of hwy. S-22 (Borrego-Salton Seaway). 20 Comment
  SD173959  Sonchus oleraceus Gay Dorius 2005-3-17 145 San Diego City of San Diego (Clairemont); Frink Ave, 1/2 S of Clairemont Mesa Blvd; West mesa of EW leg of small isolated urban canyon, abutts to S side of Clairemont Mesa Blvd & 1&1/2 blks E of Genese Ave.,and runs behind the Boy's club. 113 Comment
  SD173960  Sonchus oleraceus Judy Carlstrom, Mrs. Carlstroms fifth grade class 2005-3-17 84 San Diego North of North Broadway School at 2301 N Broadway, E of I-15 in Escondido. 235 Comment
  SD173961  Sonchus oleraceus Judy Carlstrom, Aaron Martinez, Christopher Wisma, Jose Rosas 2005-3-17 93 San Diego North of North Broadway School at 2301 N Broadway, E of I-15 in Escondido. 235 Comment
  SD174396  Sonchus oleraceus David Woelfel, Riley Woelfel 2005-10-14 73 San Diego Approx 1.5 miles north of Fallbrook, along Sandia Canyon Creek just north of the confluence with Santa Margarita River, 0.3 miles west of intersection of Rock Mountain Rd and Sandia Creek Dr. 89 Comment
  SD174397  Sonchus oleraceus Mike D. Angel, Max Angel 2005-11-25 303 San Diego City of San Diego in Urban Canyon just N of Mission Valley. Approx 1I(c) mi NE of junction of I-8 and SR-163, just W of Mission Center Road at NW terminus of Sevan Ct. Trail begins at end of cul-de-sac. 60 Comment
  SD174850  Sonchus oleraceus Scott Boczkiewicz, Mark A. Elvin 2005-2-5 1001 San Diego Peninsular Ranges, San Ysidro Mountains: west side of Otay Mountain; 1.5 km south-southeast of Savage Dam (Otay Lake); north of County Prison; near tributary to Otay River, north of O'Neal Canyon. 182 Comment
  SD175372  Sonchus oleraceus Jon P. Rebman, J. Gregory, M. Mulligan, & J. Barth 2005-8-13 12254 San Diego San Vicente Reservoir: North of Lakeside, east of Hwy. 67, northeast of intersection between Moreno Ave. and Vigilante Road; west side of reservoir in the second cove north of the boat landing 195 Comment
  SD175373  Sonchus oleraceus Jon P. Rebman, J. Gregory, K. Rich, Z. Principe 2006-4-27 12493 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
  SD176377  Sonchus oleraceus Margaret R. Mulligan, Joe Barth 2005-7-26 1256 San Diego McGinty Mountain Ecological Reserve (California Fish & Game). SE of city El Cajon. SE of intersection of Willow Glen Dr and Hillsdale Rd, near old gravel pits in the Sweetwater River Floodplain. 116 Comment
  SD177287  Sonchus oleraceus Barbara Sullivan 2005-8-9 226 San Diego San Diego City, Crest Canyon, Fifty yards West of intersection of El Amigo Rd and Durango Dr, in the street drainage ditch. 110 Comment
  SD177288  Sonchus oleraceus Larry Hendrickson 2006-5-25 1582 San Diego Anza-Borrego Desert State Park. Grapevine Canyon, 0.3 km east of Angelina Spring where road climbs up above drainage on east side of road. 726 Comment
  SD177884  Sonchus oleraceus Jon P. Rebman, J. Gregory, K. Rich, M. Wall 2006-5-18 12727 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
  SD177885  Sonchus oleraceus Jon P. Rebman, Michael Wall 2007-4-19 13075 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
  SD178736  Sonchus oleraceus Paul Beiley 2006-4-7 52 San Diego Riparian path in Louis A. Stelzer County Park, just S of Wildcat Canyon Rd. about I(c) mi. NE of its intersection with Willow Rd., Lakeside. Along Wildcat Canyon Creek about a half-mile W of Stelzer Summit. 136 Comment
  SD179786  Sonchus oleraceus Jon P. Rebman, J. Gregory, M. Mulligan & J. Rocks 2007-4-23 13191 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
  SD179787  Sonchus oleraceus Jon P. Rebman, J. Gregory and L. Aerne-Hains 2007-7-9 13694 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
  SD179788  Sonchus oleraceus Jon P. Rebman, Parabotanist team 2007-5-8 13444 San Diego Barrett Lake: just south of the dam, along Barrett Lake Road and the flume on the west side of the canyon 502 Comment
  SD179789  Sonchus oleraceus Jon P. Rebman, J. Gregory and L. Aerne-Hains 2007-7-9 13624 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
  SD182015  Sonchus oleraceus Beverly Pecunia 2006-5-12 98 San Diego NE of Escondido Oakvale Rd past the road to the South end of Lake Wohlford to first pull out. 458 Comment
  SD182956  Sonchus oleraceus Jon P. Rebman, J. Gregory, K. Rich, & P. Famolaro 2007-9-12 13872 San Diego Sweetwater Reservoir: east of National City and south of La Presa; canyon just below the dam on the west side of the reservoir 45 Comment
  SD182957  Sonchus oleraceus Jon P. Rebman, J. Gregory, K. Rich, & P. Famolaro 2007-9-12 13956 San Diego Sweetwater Reservoir: east of National City and south of La Presa; vicinity of wet marsh and meadow areas just northeast and upstream from the east end of the reservoir 71 Comment
  SD183782  Sonchus oleraceus Jan E. Maxted, Don Maxted 2006-5-8 229 San Diego Lyons Valley, N of the town of Dulzura, A| mi N of Lyons Peak summit, 1 mi E of inters of Lyons Valley Rd and Skyline Truck Trail. 839 Comment
  SD184236  Sonchus oleraceus Jon P. Rebman, Jim Rocks and Karen Mabb 2008-2-26 14067 San Diego Camp Pendleton Marine Corps Base: Training Area Romeo 1 in the northwestern portion of base; San Onofre Mountains, along Horno Canyon Road 220 Comment
  SD184237  Sonchus oleraceus Jon P. Rebman, Jim Rocks and Karen Mabb 2008-2-26 14126 San Diego Camp Pendleton Marine Corps Base: Training Area Romeo 2 in the northwestern portion of base; coastal side of San Onofre Mountains, along Skyline Road towards the towers on top of San Onofre Mountain 199 Comment
  SD184238  Sonchus oleraceus Jon P. Rebman, Michael Wall 2008-4-3 14363 San Diego Hellhole Canyon Open Space Preserve: east of Valley Center and northeast of Lake Wohlford; south-central portion of preserve, near old house foundation 202 Comment
  SD184239 Image available Sonchus oleraceus Jon P. Rebman, Michael Wall 2008-4-3 14295 San Diego Hellhole Canyon Open Space Preserve: east of Valley Center and northeast of Lake Wohlford; southwest side of preserve near Canal Road 474 Comment
  SD184240  Sonchus oleraceus Jon P. Rebman, Jim Rocks and Karen Mabb 2008-2-26 14115 San Diego Camp Pendleton Marine Corps Base: Training Area Romeo 2 in the northwestern portion of base; coastal side of San Onofre Mountains, along Horno Canyon Road 54 Comment
  SD184681  Sonchus oleraceus Paul Beiley, Jeannie Gregory 2006-6-28 115 San Diego Flinn Springs, Flinn Springs County Park, 14787 Olde Hwy 80, 1 mi E of intersection with Lake Jennings Park Rd. 252 Comment
  SD184682  Sonchus oleraceus Judy Carlstrom 2006-5-30 174 San Diego Escondido. Riparian area west of Northwest Parking Lot in Jesmond Dene Park located on North Broadway. 231 Comment
  SD185006  Sonchus oleraceus Ian Cain, Stephanie Glenn 2007-2-16 629 San Diego San Diego, Cabrillo National Monument, southern tip of Point Loma, disturbed area next to road halfway between Herpetology Arrays 2 and 3 on Gatchell Road 56 Comment
  SD186692  Sonchus oleraceus Jon P. Rebman, Ziad Hussami 2008-4-21 14657 San Diego Hauser Wilderness: Cleveland National Forest; W of Morena Reservoir, at Bronco Flats just S of Skye Valley Road 995 Comment
  SD187256  Sonchus oleraceus Jon P. Rebman, M. Mulligan & J. Hirshberg 2008-5-30 15341 San Diego Hauser Wilderness: Cleveland National Forest; SW of Morena Reservoir and E of Barrett Lake, along the trail that follows Hauser Creek, west of the Marine Memorial 500 Comment
  SD187368  Sonchus oleraceus Scott D. White, Angelia Carey 2004-4-16 10175 Riverside Indian Creek and adjacent slopes. 548 Comment
  SD187758  Sonchus oleraceus Carolyn Martus 2006-7-3 298 San Diego Oceanside. Buena Vista Lagoon (western), on the north and east side of Coast Highway along the trail from the Buena Vista Audubon Nature Center. 7 Comment
  SD188788  Sonchus oleraceus Michael G Simpson, Shahan Derkarabetian 2006-5-2 2656 San Diego Iron Mountain area, Poway, along hiking trail NE of pond, 1 mile NNW of Iron Mtn peak, 1 mi NE of junction of Hwy 67 and Poway Road. 598 Comment
  SD188789  Sonchus oleraceus Michael G Simpson, Otay Mtn. team 2003-5-3 2407 San Diego Otay Mountain watershed, MinerAs canyon, ca. 0.6 miles north of Marron Road. 216 Comment
  SD190456  Sonchus oleraceus Jon P. Rebman, J. Rocks & M. Mulligan 2008-6-4 15499 San Diego Santa Margarita Mountains: Cleveland National Forest; east of the border with Camp Pendleton Marine Corps Base; along the forest service road that runs on the east side of the mountains 808 Comment
  SD190457 Image available Sonchus oleraceus Jon P. Rebman, M. Mulligan & D. Bieber 2008-6-25 15730 San Diego Camp Pendleton Marine Corps Base: south of Stagecoach Road and north of the airstrip along Vandegrift Blvd.; in the Santa Margarita River bed 20 Comment
  SD190614  Sonchus oleraceus Larry Hendrickson, Jon Rebman, et al. 2005-4-16 3151 Imperial Picacho State Recreation Area. South side of the Colorado River, near Group Camp on N-side of main access road. 42 Comment
  SD190977  Sonchus oleraceus Dick Schwenkmeyer 2007-5-25 299 San Diego San Diego, Mission Trails Regional Park, ca I(c) mi S of Highway 52 in Suycott Canyon, just west of North Mount Fortuna, 2I(c) mi W of intersection of West Hills Parkway and Mast Blvd. 213 Comment
  SD190978  Sonchus oleraceus Warren Schmidtmann, Matt Guilliams 2007-4-6 38 San Diego Tecate Peak, dirt road to Tecate Peak, 3.1 Miles west from Hwy 188 (Tecate Road), near Box Spring, 0.42 mi N of US Mexico border 691 Comment
  SD190979  Sonchus oleraceus Margaret R. Mulligan, J. Gregory, J. Rocks 2007-3-26 1679 San Diego Camp Pendleton Marine Corps Base, White Beach Training Area, ca. 0.8 mi S of 41 Area (Las Flores), ca. 1 mi NW of Shingle Bluff, E of I-5. 15 Comment
  SD190980  Sonchus oleraceus Margaret R. Mulligan, J. Rocks, J. Gregory 2007-3-15 1564 San Diego Camp Pendleton Marine Corps Base, Skull Canyon in the Uniform Training Area. 0.6 mi NW of I-5 at La Flores (41 Area). 10 Comment
  SD190981  Sonchus oleraceus Layla Aerne Hains, Margaret Mulligan 2006-6-7 112 San Diego Blossom Valley Preserve (Center for Natural Lands Management) ca. 3 mi NE of Lake Jennings and 0.5 mi NE of Quail Canyon Rd and Creek Hills Rd intersection 800 Comment
  SD191831  Sonchus oleraceus Jon Rebman, W. Schmidtmann & V. Marshall 2008-4-9 14468 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 9 (SP9), in Grave Wash, Site ENCFRU in arroyo bottom and surrounding embankments 0 Comment
  SD192394  Sonchus oleraceus Fred Roberts 2006-7-6 6358 San Diego Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5. 7 Comment
  SD192397  Sonchus oleraceus Jim Rocks, M. Mulligan 2007-5-17 440 San Diego Camp Pendleton Marine Corps Base, NW section of Charlie Training Area, ca. 5 miles NE of Camp Talega (64 Area), ca. I(c) mi S of county line and ca. A| mi NW of White Oak Springs. 390 Comment
  SD192398  Sonchus oleraceus Jim Rocks, J. Gregory, M. Mulligan, M. Dinkins 2007-5-2 228 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
  SD192399  Sonchus oleraceus Victoria Marshall 2007-4-27 540 San Diego Ramona; Boulder Oaks County Park, approx 7.0 mi southwest of Ramona, accessed through private property from Mussey Grade Road; collection area approx 1.0 mi west of Mussey Grade Road road. 449 Comment
  SD192400  Sonchus oleraceus Jim Rocks, M. Mulligan, W. Schmidtmann, D. Bieber, B. Lardiere 2007-5-10 340 San Diego Camp Pendleton Marine Corps Base, Bravo Two Training Area. Talega Canyon Road, ca. 1 mi E of road junction to Camp Talega (64 Area). 85 Comment
  SD192401  Sonchus oleraceus Jeannie Gregory, J. Litchewski, B. Pecunia, Z. Principe 2007-5-15 2418 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
  SD192402  Sonchus oleraceus Victoria Marshall 2007-6-1 576 San Diego Blue Sky Ecological Reserve (Dept of Fish and Game and City of Poway), Poway; entrance to Blue Sky Reserve approx 0.6 mi north of the intersection of Espola and Lake Poway Roads and 0.25 mi south-east of intersection of Espola Rd. and Old Coach Rd. 199 Comment
  SD192403  Sonchus oleraceus Jeannie Gregory, Michael Wall, Allison Wall 2007-3-22 2174 San Diego Elfin Forest, Olivenhain Municipal Water Dist, S side of Harmony Grove Road along Escondido Creek, 4 mi SW of Escondido, 1A| mi W of junction Del Dios Hwy and West Via Rancho Pkwy 530 Comment
  SD193083  Sonchus oleraceus W. J. Schrenk 2007-11-28 82 San Diego Poway, in flower bed Comment
  SD193248  Sonchus oleraceus A. C. Sanders, Jennifer Jones 2005-6-22 31134 San Diego Buena Vista Lagoon Ecological Reserve, Carlsbad, south side of lagoon just east of he Carlsbad Blvd near Brown Park. Comment
  SD193249  Sonchus oleraceus A. C. Sanders, Jennifer Jones 2005-6-22 31154 San Diego Buena Vista Lagoon Ecological Reserve, Carlsbad, north side of lagoon between Carlsbad Blvd and the RR. Comment
  SD193250  Sonchus oleraceus A. C. Sanders 2004-5-7 27826 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, canyon ca. 1.0 mile southeast of Cerro de la Calavera. 91 Comment
  SD193644  Sonchus oleraceus Jeannie Gregory, L. Prelipp, S. Konen 2007-5-5 2237 San Diego Oceanside, 7 miles inland at Guajome County Park, directly E of the intersection of Mission Ave (Hwy 76) and North Santa Fe Ave 29 Comment
  SD193645  Sonchus oleraceus Jeannie Gregory, J. Litchewski, B. Pecunia 2007-5-15 2476 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
  SD193646  Sonchus oleraceus Margaret R. Mulligan, J. Gregory, J. Rocks 2007-4-17 1915 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
  SD193647  Sonchus oleraceus Margaret R. Mulligan, J. Gregory, S. Leininger 2007-4-9 1862 San Diego Camp Pendleton Marine Corps Base, Santa Margarita River, on North River Road ca. 3 miles NW of its intersection with Macs Road (accessed by Stuart Mesa). 9 Comment
  SD194926  Sonchus oleraceus Melvin M. Sweet 2007-5-10 416 San Diego City of San Diego; 0.2 mi NE of inters.of Eastgate Mall and Genesee Ave, 1.6 mi SE of inters.of I-5 and I-805. Near top of canyon running form Eastgate Mall to Roselle St. 100 Comment
  SD194927  Sonchus oleraceus Jeannie Gregory, E. Douglas, M. Mulligan, L. Aerne 2006-6-7 2084 San Diego Lakeside, Lindo Lake County Park, Lakeshore Drive, N shore between Vine St and Petite Drive; S shore of lake 121 Comment
  SD194928  Sonchus oleraceus Mike D. Angel 2006-4-21 383 San Diego City of San Diego in Urban Canyon just N of Mission Valley. Approx 1I(c) mi NE of junction of I-8 and SR-163, just W of the Mission Center Road and Sevan Court junction (where the access roads to power line towers are located.) 49 Comment
  SD194929  Sonchus oleraceus Jeannie Gregory, K. Rich 2007-3-9 2113 San Diego Ramona; Mount Gower Open Space Preserve; at dead end of Gunn Stage Road ca 2 mi N of intersection with San Vicente Road. 534 Comment
  SD195773  Sonchus oleraceus Jon P. Rebman, M. Mulligan & M. Dinkins 2009-4-15 17046 San Diego Camp Pendleton Marine Corps Base: Papa 3 Training Area in the northwestern portion of base and on the east side of the San Onofre Mountains; along Horno Canyon Road; burned in Horno Fire 210 Comment
  SD196317  Sonchus oleraceus Melanie S. Johnson 2005-5-12 30 San Diego Otay, Lower Otay Lake, just N of Buschalaugh Cove, South of Otay Lakes Road, mesa located immediately South of Lower Otay Lake - MSCP Dudleya variegata, Bloomeria clevelandii, Vernal Pools monitoring site 49 Comment
  SD197202  Sonchus oleraceus Jon P. Rebman, M. Mulligan & M. Dinkins 2009-5-6 17382 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
  SD197699  Sonchus oleraceus A. C. Sanders 2005-6-25 31201 San Diego South Coast: San Dieguito Lagoon Ecologigal Reserve, north edge of reserve along Palm Lane. Comment
  SD198273  Sonchus oleraceus Larry Hendrickson 2007-6-4 2348 San Diego Banner, 3 mi E of Julian, in canyon south of State hwy. 78, ca. 0.1 mile east of intersection of 78 and Chariot Canyon Road. 853 Comment
  SD198274  Sonchus oleraceus Bill Sullivan 2007-3-1 272 San Diego Borrego Springs, Anza-Borrego Desert State Park, 6.72 miles N of Borrego Springs, 2.85 miles NW of intersection of Di Giorgio Road and Coyote Way, on Coyote Canyon Jeep Trail, 400 yd northwest on east bank of Coyote Creek 305 Comment
  SD198275  Sonchus oleraceus Mike D. Angel 2008-1-26 552 San Diego City of San Diego, 2.5 miles east of I-805 on Mira Mesa Blvd, 1/2 mile south of Mira Mesa Boulevard onCamino Santa Fe. Follow trail along stream bed west. 92 Comment
  SD199058  Sonchus oleraceus John LaGrange, Linda La Grange 2007-5-13 176 San Diego Cleveland National Forest, northwest of Black Mountain, Lusardi Canyon Truck Trial road near intersection of the road to Patton Load Mine, about 3.75 miles NNE by road from intersection of Lusardi Truck Trail and Pamo Road. 633 Comment
  SD199059  Sonchus oleraceus Karen Rich, Gary Erbeck 2006-5-21 272 San Diego Del Mar, in front of San Diego Polo Club, on El Camino Real, about 1/8 mile south of Via de la Valle 7 Comment
  SD199877  Sonchus oleraceus Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-23 16500 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, W of Salton City, Along Hwy S22, section 29 (SP29), Site LANSET on mesa and surrounding mud and cobble hillsides 152 Comment
  SD199878  Sonchus oleraceus Jon Rebman, G. Fleming and W. Schmidtmann 2009-3-12 16445 Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 6 (SL6), Verbena Wash, Site PHAMIN in rocky arroyo and surrounding rocky hillsides & mesas 99 Comment
  SD200347  Sonchus oleraceus Jon Rebman, G. Fleming, V. Marshall, & A. Winner 2009-3-24 16673 b Imperial Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 8 (SL8), near north fork of Big Wash, Site TRICAL on mesas and surrounding hillsides 57 Comment
  SD200729  Sonchus oleraceus Margaret R. Mulligan, W. Schmidtmann, K. Mabb 2008-3-26 2160 San Diego Camp Pendleton Marine Corps Base, Papa One Training Area, west side of Pulgas Lake. 120 Comment
  SD200730  Sonchus oleraceus Margaret R. Mulligan, Carolyn Martus 2008-4-18 2386 San Diego Camp Pendleton Marine Corps Base, Bravo Three Training Area, ca. A| mi southeast of San Mateo (62 Area), ca. 1 mi west of San Mateo Road, just southeast of Impact Area 30. 234 Comment
  SD200731  Sonchus oleraceus Margaret R. Mulligan, J. Gregory, S. Leininger 2007-4-9 1843 San Diego Camp Pendleton Marine Corps Base. Santa Margarita River, on road parallel to river just east of Stuart Mesa Road. 0 Comment
  SD200732  Sonchus oleraceus Margaret R. Mulligan, Carolyn Martus 2008-4-18 2357 San Diego Camp Pendleton Marine Corps Base, San Onofre Creek area, Alpha Two Training Area, south of Basilone Road, ca. I(c) mi east of San Onofre Mobile Home Park. 17 Comment
  SD201419  Sonchus oleraceus Margaret R. Mulligan, Carolyn Martus 2008-4-18 2330 San Diego Camp Pendleton Marine Corps Base, San Onofre Creek area, Alpha Two Training Area, Ao mi south of Basilone Road, ca. I(c) mi east of San Onofre Mobile Home Park. 17 Comment
  SD201421  Sonchus oleraceus Margaret R. Mulligan, J. Rebman, M. Dinkins 2009-3-5 2686 San Diego Camp Pendleton Marine Corps Base, Red Beach Training Area, beach along coast on NW edge of Santa Margarita River outlet, in Least Tern exclosure. 0 Comment
  SD201422  Sonchus oleraceus Margaret R. Mulligan, J. Rebman, B. Ladiere 2009-4-9 2905 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
  SD203281  Sonchus oleraceus Carolyn Martus 2008-3-25 499 San Diego Northeast of Fallbrook. Santa Margarita River just below the confluence with Sandia Creek on northwest side 111 Comment
  SD203282  Sonchus oleraceus Margaret R. Mulligan, J. Rebman, B. Ladiere 2009-4-9 2746 San Diego Camp Pendleton Marine Corps Base, Lima Training Area, Windmill Canyon, just east of southern tip of Memorial Golf Course (18 Area). 21 Comment
  SD20410  Sonchus oleraceus A. J. Stover 1938-3-4 San Diego Theosophical grounds, Point Loma. Comment
  SD204153  Sonchus oleraceus Jeannie Gregory, John Gregory 2008-3-7 2682 San Diego Anza-Borrego Desert State Park, 3.5 mi SE of intersection Arroyo Salada and Borrego Salton Seaway (S22), just S of 17 Palms Oasis, ca 1 mi from Imperial County line 110 Comment
  SD204154  Sonchus oleraceus Jon P. Rebman, L. Aerne-Hains & W. Schmidtmann 2010-3-11 18823 San Diego Cleveland National Forest: Southeast of El Cajon Mountain; west of the El Capitan Reservoir, just east of El Cajon Mountain Truck Trail 245 Comment
  SD204155  Sonchus oleraceus Beverly Pecunia, Michell Pickett 2008-3-27 183 San Diego City of Escondido, 4.5 mi NE of, just N of Bottle Peak, along Lake Wohlford Road, about I(c) mi W of dam 231 Comment
  SD205509  Sonchus oleraceus Jeannie Gregory, Layla Aerne 2008-2-18 2553 San Diego Sweetwater Regional Park, 0.3 mi SE of Sweetwater Resevoir Dam, E of Highway 54, ca 3 mi N of Otay Lakes Road intersection with Corral Canyon Road. 107 Comment
  SD205510  Sonchus oleraceus Jeannie Gregory, M. Hawke, L. Aerne 2008-3-5 2612 San Diego Dehesa, Fish & Wildlife Refuge Land, N of Singing Hills Golf Course, 0.35 mi SE of intersection Willow Glen Road and Dehesa Road 146 Comment
  SD205511  Sonchus oleraceus Margaret R. Mulligan, Michael Wall 2008-4-17 2239 San Diego Del Dios Highlands County Preserve, eastern side of peak, approx. A| mi W on trail (road) from Del Dios Highway parking lot, N of Lake Hodges. 244 Comment
  SD205512  Sonchus oleraceus Beverly Pecunia, Victoria Marshal 2007-10-18 167 San Diego City of Escondido, 4.5 mi NE of, just N of Bottle Peak, along N shoreline of Lake Wohlford 458 Comment
  SD205513  Sonchus oleraceus Jonathan K. Snapp-Cook, K. Williams, J. Shoemaker 2008-5-24 141 San Diego Otay Mountain NW side, Bureau of Land Management, canyon just W of Little Cedar Canyon that begins at eastern end of Lower Otay Lake. Entered canyon by heading 2.5 miles SE on the dirt road starting at the yellow gate off Otay Lakes Road. 451 Comment
  SD205514  Sonchus oleraceus Barbara Booth, Justin M. Wood and Dustin Ray 2009-7-14 234 San Diego SW of Oak Grove, Rattlesnake Canyon, Cleveland National Forest, in bottom of canyon. 926 Comment
  SD205515  Sonchus oleraceus Victoria Marshall 2008-5-11 888 San Diego Beeler Canyon, Poway; near The Pond; collection area ca 0.5 mi SW of the intersection of Poway Rd and Pomerado Rd., and 0.4 mi NNW of intersection of Pomerado Rd. and Stowe Dr. 167 Comment
  SD205516  Sonchus oleraceus Jerilyn Hirshberg 2008-7-11 1858 San Diego Cleveland National Forest, W side of Cuyamaca Mtns, 0.5 mile west of intersection of Boulder Creek Road and Cedar Creek Road, west of Eagle Peak 879 Comment
  SD206566  Sonchus oleraceus Jon P. Rebman, L. Aerne-Hains & W. Schmidtmann 2010-5-20 19127 San Diego Cleveland National Forest; vicinity of Black Mountain; N of Ramona and E of Pamo Road; off of Black Mountain Truck Trail 583 Comment
  SD206567  Sonchus oleraceus Jon P. Rebman, L. Aerne Hains, J. Schlachter, & parabotany team 2010-6-3 19482 San Diego Bureau of Land Management (BLM) Property: northeast of Ramona; south of Hwy. 78 and north of Old Julian Hwy. 683 Comment
  SD207678  Sonchus oleraceus John Groth, Terri Groth 2008-5-31 185 San Diego Cleveland National Forest, Cuyamaca Mountains, 4.0 mi W of Cuyamaca Lake, 2.5 mi SSE of Sunshine Mtn., 100 yds. S of Boulder Creek, along Boulder Creek Road 839 Comment
  SD209626  Sonchus oleraceus Jon P. Rebman, J. Schlachter, L. Aerne Hains, & volunteers 2010-6-30 19840 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
  SD209627  Sonchus oleraceus Jon P. Rebman, J. Schlachter, L. Aerne Hains, & volunteers 2010-8-14 20161 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
  SD210078  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann, J. Rocks & volunteers 2010-12-2 20552 San Diego Camp Pendleton: Golf Training Area; west of De Luz Road and north of Camp De Luz; along De Luz Creek 70 Comment
  SD210795  Sonchus oleraceus Carolyn Martus, MRM, MMT 2006-5-24 149 San Diego Camp Pendleton, 100 yds W of the intersection of Las Pulgas and Stuart Mesa Road, I(c) mi E of Interstate 5. 31 Comment
  SD211383  Sonchus oleraceus Jon Rebman, A. Trouette, V. Marshall, M. Vazquez, T. Beltran 2010-4-3 18902 Imperial Southwest of Plaster City on Bureau of Land Management (BLM) property in an area proposed for development of a solar facility: S of Hwy. S80 & N of I-8, NE of Ocotillo & W of El Centro; just N of a powerline road 49 Comment
  SD21230  Sonchus oleraceus Norman E. Bilderback 1938-4-19 Santa Barbara Santa Barbara Island. Comment
  SD212515  Sonchus oleraceus Andrew C. Sanders 2005-6-17 31044 San Diego Boden Canyon Ecological Reserve at E end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek at confluence with Clevenger Canyon Quad: San Pasqual 7.5A Q. 200 Comment
  SD212516  Sonchus oleraceus Andrew C. Sanders 2005-4-22 29650 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Quad: Encinitas 7.5A Q. Comment
  SD212517  Sonchus oleraceus Andrew C. Sanders 2005-5-6 29962 San Diego Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along Green Valley Truck Trail, in canyon below turnoff to Lake Poway Quad: Escondido 7.5A Q. 213 Comment
  SD214838  Sonchus oleraceus Jerilyn Hirshberg 2009-4-4 2049 San Diego Cleveland National Forest, 6 mi W of North Peak in Cuyamaca Mts., about 5.5 mi S of the intersection Hwy 78 and 79 (Santa Ysabel), 1.5 mi W of Kessler Flat, just above 7 mile marker on Eagle Peak Road 860 Comment
  SD214839  Sonchus oleraceus Nancy Nenow 2009-5-21 788 San Diego San Diego, north side of Balboa Park, about 275 yds W of Brookes Ave and Richmond St, at the bottom of the canyon south of Cypress Avenue and Vermont Street in Hillcrest. 70 Comment
  SD214840  Sonchus oleraceus Reginald Durant, D. Taylor, Hiromi, S. Palksdorf, J. Stei 2008-6-22 15 San Diego Cleveland National Forest, along Cutca Trail, 4.5 miles SW of town of Auanga (Highway 79), 1.47 miles NE of Morgan Hill. 1124 Comment
  SD215917  Sonchus oleraceus Jon P. Rebman, John Martin and SDNHM volunteers 2011-4-27 21281 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
  SD215918  Sonchus oleraceus Melvin M. Sweet 2009-4-15 785 San Diego Anza-Borrego Desert State Park, Coyote Canyon; about 1/2 mile below the Second Crossing; 7.5 miles NW of the intersection of DiGiorgio Rd and County Hwy S22 in Borrego Springs. 309 Comment
  SD215919  Sonchus oleraceus Jerilyn Hirshberg 2009-7-11 2140 San Diego Cleveland National Forest, W side of Cuyamaca Mtns, Cedar Creek Road, 0.65 miles NW of intersection with Boulder Creek Road, 1.25 miles east of Eagle Peak, on bank of holding pond on Kelly Creek 844 Comment
  SD216836  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann, V. Marshall, J. Barth 2011-4-28 21453 San Diego Cleveland National Forest: E of Eagle Peak; along a dirt road to Cedar Creek off of Boulder Creek Road; canyon area 804 Comment
  SD218608  Sonchus oleraceus Michael G. Simpson, M. Blake-Jacobson, W. Schmidtmann 2010-5-22 3258 San Diego Torrey Pines State Park, southern end, near fence at golf course near Torrey Pines Park Road, ca. 0.6 mile southeast of VisitorAs Center. San Diego. 120 Comment
  SD219378  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann & G. Kenney 2012-2-16 22389 San Diego Camp Pendleton: at Lake O'Neill; south of the hospital and east of Santa Margarita Road; vicinity of a lakeside park and along the trail around the Lake 35 Comment
  SD219379  Sonchus oleraceus Jon P. Rebman, John Martin & volunteers 2011-5-31 21993 San Diego San Diego National Wildlife Refuge: East of Bonita and just south of the Sweetwater Reservoir; Shinohara Vernal Pool area 89 Comment
  SD220249  Sonchus oleraceus Nancy Nenow 2010-8-28 1438 San Diego Cleveland National Forest; Puerta La Cruz Road; 2 miles SE Mitchell Camp Road and Chihuahua Valley Road; 5.7 miles N of Warner Springs and Hwy 79 1168 Comment
  SD220250  Sonchus oleraceus Nancy Nenow 2010-8-4 1391 San Diego Warner Springs Ranch west of highway 79 and just south of the golf club parking lot. 953 Comment
  SD220251  Sonchus oleraceus Nancy Nenow 2010-4-6 928 San Diego City of San Diego; Mira Mesa; N of Rimridge Lane, near W end of Camino Ruiz Park off Camino Ruiz at it's northern end. 131 Comment
  SD221003  Sonchus oleraceus Joe Barth 2011-2-13 1111 San Diego Between 649 and 655 Palm Canyon Dr, Borrego Springs. 185 Comment
  SD221950  Sonchus oleraceus Mike Bigelow, Jan Bigelow 2010-4-12 237 San Diego Borrego Springs; 1010 Palm Canyon Drive, just E of Di Giorgio Rd. 170 Comment
  SD221951  Sonchus oleraceus Joe Barth 2010-2-5 897 San Diego City of San Diego; edge of San Diego Bay at Shelter Island Yacht Basin; corner of Talbot St and Anchorage Ln. 10 Comment
  SD221952  Sonchus oleraceus Joe Barth, Rosalee Clanton with Chloe, Jade, and Athena. 2010-2-21 903 San Diego Eucalyptus County Park outside SE edge of city of La Mesa at Bancroft Dr and Edgewood Dr. Collected from perimeter of park (outside irrigated zones). 123 Comment
  SD221953  Sonchus oleraceus Joe Barth 2010-5-16 1018 San Diego City of Santee. Around hill and area adjacent to baseball fields just N of San Diego River. W of Riverford Rd, S of Mast Blvd, E of Ramsgate Wy. 136 Comment
  SD228138  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann, J. Green, V. Marshall,T. Barckley 2012-5-31 24520 San Diego Lake Hodges: south of Escondido; southeast of the intersection of Lake Drive and Beech Lane; northwest side of Lake along the shore 95 Comment
  SD228450  Sonchus oleraceus Joe Barth 2011-4-5 1297 San Diego Jojoba Wash, Anza-Borrego Desert State Park. 2.25 miles due S of Hwy S2, 11 miles due N of Freeway I8, 3.8 miles due W of Imperial county line. Bajada WNW of the Volcanic Hills. 452 Comment
  SD229699  Sonchus oleraceus Jon Rebman 2012-3-4 22576 Santa Barbara Santa Cruz Island: north of Main Ranch; in a small side canyon east of the road near the junction of the central valley (Canada del Medio) with Canada del Puerto 95 Comment
  SD229887  Sonchus oleraceus Jon P. Rebman, John LaGrange & Jerry Greene 2012-6-7 24715 San Diego Barrett Lake: on Pig Point along the west side of Barrett Lake and just east of Barrett Lake Road 490 Comment
  SD230475  Sonchus oleraceus Jon P. Rebman, J. Green, T. Barckley, C. Brennen, J. Carlstrom 2012-6-19 24920 San Diego Daley Ranch: northeast of Escondido; west of Co. Hwy. S6 and north of Dixon Lake; along East Ridge Trail in the vicinity of a small pond to the east of Middle Pond 399 Comment
  SD231571  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-3-27 25645 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
  SD232206  Sonchus oleraceus V. Soza, LeRoy Gross 2001-5-14 1215 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. SE-facing slope of ridgetop, recently burned area. 762 Comment
  SD233770  Sonchus oleraceus Mark A. Elvin 2003-5-3 2633 San Diego Peninsular Ranges, San Ysidro Mountains: SE side of Otay Mtn., western Marron Valley, mouth of Mine Canyon, ca. 1 km N of the Mexican border, slopes above the Tijuana River (Otay Mountain 7.5' Q). 152 Comment
  SD234840  Sonchus oleraceus A. C. Sanders, M. Elvin, C. Burrascano, A. Pignoli, A. Thompson, et al 2003-5-4 26537 San Diego Peninsular Range: Otay Mountain, ridge ca 2-3 miles east of the peak, around end of jeep trail (Otay Mountain 7.5' Q) 945 Comment
  SD235276  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-5-1 26136 San Diego Camp Pendleton: central portion of Base; Training Area India; northeast of Basilone Road and east of Roblar Road; along a dirt road on an east-facing slope 180 Comment
  SD235917  Sonchus oleraceus Mike D. Angel 2009-4-12 711 San Diego Olivenhain; along Escondido Creek, about 1.5 mile W of Olivenhain, area S of Rancho De Mayo, area near Little Oaks Park 17 Comment
  SD235918  Sonchus oleraceus Joe Barth 2011-12-28 2044 San Diego Mt Helix; near city of La Mesa. ~60 to 100m S and SE of summit. 384 Comment
  SD235919  Sonchus oleraceus Joe Barth 2011-12-21 1989 San Diego West end of Compton St, city of El Cajon. ~0.3 mile WSW of the I8/SR67 freeway interchange. Between Magnolia and Johnson Ave's. 141 Comment
  SD235920  Sonchus oleraceus Beverly Pecunia 2011-4-4 325 San Diego North of Escondido; 1.6 miles NNE of I-15 and Mountain Meadows Road, W of Turner Lake 444 Comment
  SD235921  Sonchus oleraceus Joe Barth 2011-12-27 2008 San Diego Fuerte Dr, between the cities of La Mesa and El Cajon. ~0.6 mile NNW of up top Mt Helix. Between Grossmont Blvd and Sunset Ave. 299 Comment
  SD240584  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann & G. Kenney 2014-5-8 28314 San Diego Camp Pendleton: Training Area India: eastern portion of Base; along the Santa Margarita River just southwest of the De Luz Road crossing 35 Comment
  SD24317  Sonchus oleraceus Frank F. Gander 1939-3-16 6989 San Diego near east end of Sweetwater Lake. Comment
  SD243594  Sonchus oleraceus John LaGrange, Mary Rider 2010-5-30 682 San Diego San Elijo Lagoon Preserve; 100 meters W of El Camino Real trailhead; trailhead is 0.1 mile N of intersection El Camino Real and Rancho Serena 7 Comment
  SD243595  Sonchus oleraceus John LaGrange, Mary Rider 2012-4-17 996 San Diego City of San Diego, Rolando neighborhood, roadside along Alamo Drive, E side of road between Patria Drive and Alamo Way 121 Comment
  SD243596  Sonchus oleraceus John LaGrange 2011-5-14 856 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
  SD244967  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann & G. Kenney 2015-2-24 29417 San Diego Camp Pendleton: east-central portion of Base; India Training Area; north of Lake O'Neill; east of the Santa Margarita River; in a burn area just east of De Luz Road along the Fallbrook Weapons Station border 99 Comment
  SD245682  Sonchus oleraceus Kathleen A Mauro, Andrew Mauro 2010-4-13 51 San Diego Rancho Santa Fe; along La Orilla Rd., between El Camino Real and Cerro del Cerro 10 Comment
  SD245683  Sonchus oleraceus Jerry Green 2010-7-3 137 San Diego Penasquitos; north side Black Mountain Peak, vicinity of 0.34 mile S of junction Carmel Valley Rd and Winecreek Rd. 231 Comment
  SD246376  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann & G. Kenney 2015-5-6 30144 San Diego Camp Pendleton: southeast portion of Base; Juliet Training Area; north of Engineer Hill Rd.; along dirt road in a canyon 99 Comment
  SD247822  Sonchus oleraceus Larry Hendrickson 2013-3-28 5996 San Diego Anza-Borrego Desert State Park. State Route 78, 3.9 miles E of intersection with Yaqui Pass Rd. (County Rd. S-3), and 0.8 mile W of Narrows Earth Trail parking. 342 Comment
  SD248962  Sonchus oleraceus Nancy Nenow 2011-1-22 1553 San Diego La Jolla; about 300 yards SW of intersection Expedition Way and N Torrey Pines Road; west of Torrey Pines Road along walking trail on open mesa. 120 Comment
  SD249986  Sonchus oleraceus Nancy Nenow 2012-3-15 2360 San Diego Pacific Beach; canyon trail about 850 yards NW of intersection Clairmont Drive and Balboa Ave; at north end of Balboa Terrace along canyon trail. 56 Comment
  SD249991  Sonchus oleraceus Nancy Nenow 2012-4-3 2456 San Diego Carlsbad; east of Carlsbad Blvd and west of railway tracks; just north of La Costa Ave on the edge of Batiquitos Lagoon 9 Comment
  SD251009  Sonchus oleraceus Joe Barth 2012-2-11 2143 San Diego Sweetwater River valley; area of National City and Chula Vista; E of 805 along Sweetwater Road 0.08 mi NE of junction with Willow Street 20 Comment
  SD251010  Sonchus oleraceus Nancy Nenow 2012-2-11 2170 San Diego Encinitas; Cottonwood Creek Park; W of I-5; just yards north of Encinitas Blvd and east of South Vulcan Ave. along small steam in the park. 20 Comment
  SD251011  Sonchus oleraceus Jerry Green 2011-3-1 172 San Diego Rancho Penasquitos; Black Mountain; 0.34 miles NE of junction Laurentian Dr. & Mediatrice Ln. 306 Comment
  SD252044  Sonchus oleraceus Jeannie Gregory, Joe Barth 2010-5-15 3430 San Diego Rancho San Diego; US Fish & Wildlife Refuge; N side of San Miguel Mountain; W of Millar Ranch Road; 0.72 miles SW of junction with Highway 94 (Campo Road); E side of Sweetwater River 92 Comment
  SD252045  Sonchus oleraceus Jeannie Gregory, Joe Barth 2010-5-15 3429 San Diego Rancho San Diego; US Fish & Wildlife Refuge; N side of San Miguel Mountain; W of Millar Ranch Road; 0.72 miles SW of junction with Highway 94 (Campo Road); E side of Sweetwater River 92 Comment
  SD252046  Sonchus oleraceus Mary Ann Hawke, J. Gregory, L. Aerne 2008-3-5 112 San Diego Dehesa; Fish & Wildlife Refuge; 0.18 mi E of intersection Willow Glen Road and Dehesa Road; just N of Singing Hills Golf Course 803 Comment
  SD252550  Sonchus oleraceus Nancy Nenow 2012-3-15 2341 San Diego Pacific Beach; in the canyon at the northeast end of Van Nuys Way; E of Rutgers Road; W of Caminito Bayo 73 Comment
  SD252551  Sonchus oleraceus Nancy Nenow 2012-3-30 2402 San Diego Leucadia; just east of Highway 5; near southern corner of junction Plato Place and Piraeus Street on vacant mesa. 42 Comment
  SD253036  Sonchus oleraceus Mary Jo Churchwell 2014-2-20 839 San Diego Anza-Borrego Desert State Park; Cottonwood Spring; about 3 miles E of Ranchita; and 0.78 air mile W of junction of Old Culp Valley Road and County Highway S-22. 1032 Comment
  SD253699  Sonchus oleraceus Mary Jo Churchwell 2014-1-2 823 San Diego Anza-Borrego Desert State Park; Big Spring; 4.80 miles ESE of Ranchita; 1.21 miles ESE of junction Old Culp Valley Road and S-22. 779 Comment
  SD253700  Sonchus oleraceus John LaGrange, Mary Rider 2013-4-21 1224 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
  SD256432  Sonchus oleraceus Mike Bigelow 2015-3-23 419 San Diego Borrego Springs; 180 yards NE of intersection Palm Canyon Drive and Di Giorgio Road, yard 167 Comment
  SD256433  Sonchus oleraceus Mike Bigelow 2015-3-23 420 San Diego Borrego Springs; 180 yards NE of intersection Palm Canyon Drive and Di Giorgio Road, yard 167 Comment
  SD258080  Sonchus oleraceus Larry Hendrickson 2015-4-11 6608 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
  SD263788  Sonchus oleraceus Keir A. Morse, Angelique Herman 2014-3-15 5 San Diego Los PeA'asquitos Canyon Preserve; along Trans County Trail; near 0.44 miles NNW of intersection Mercy Road and I-15. 86 Comment
  SD27747  Sonchus oleraceus Carl B. Wolf 1932-5-9 Los Angeles Santa Catalina Island, Avalon, near bathhouse. Comment
  SD38307  Sonchus oleraceus Edith A. Purer Mar 1932 San Diego Silver Strand, near road. Comment
  SD38309  Sonchus oleraceus Edith A. Purer 1932-8-25 Santa Barbara Northwest Guadalupe, Comment
  SD5099  Sonchus oleraceus Mary S. Snyder 1899-3-25 San Diego Pacific Beach Comment
  SD53603  Sonchus oleraceus E. Norland 1963-7-29 San Diego East Spring Valley; Highland Ave.; Along road by abandoned truck crop fields on hilltop; Comment
  SD63389  Sonchus oleraceus Peter H. Raven, Henry J. Thompson 23-24 Apr 1966 20705 Ventura San Nicolas Island; northwest end of island, Seal Beach. Comment
  SD69570  Sonchus oleraceus Robert F. Thorne 1966-9-14 Los Angeles Santa Catalina Island. behind dunes and salina at Little Harbor. 4 Comment
  SD69794  Sonchus oleraceus Robert F. Thorne 1966-4-7 Los Angeles Santa Catalina Island: moist shade of Prunus ilicifolia lyonii forest at bottom of canyon, Cherry Valley. 60 Comment
  SD9000  Sonchus oleraceus Unknown 6 Apr 0000 San Diego Fallbrook Comment
  SD9001  Sonchus oleraceus Daniel Cleveland Mar 1881 San Diego San Diego Comment
  SD9002  Sonchus oleraceus Daniel Cleveland Mar 1875 San Diego San Diego Comment
  SD9003  Sonchus oleraceus Daniel Cleveland 1884-2-24 San Diego San Diego (mak 6/06) Comment
  SDSU12903  Sonchus oleraceus Michael G. Simpson, Lee Simpson 1998-4-4 4 IV98B San Diego East side of Cowles Mtn., halfway up swithback trail, just south of creek, Mission Trails Regional Park. 299 Comment
  SDSU12939  Sonchus oleraceus Jutta Buschbom 1991-6-3 24 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SDSU14540  Sonchus oleraceus Craig H. Reiser, Fred T. Sproul 1989-6-15 15 -VI-89 San Diego Camp Joseph Pendleton MCB. San Diego County, California. Base Section: Charlie. 244 Comment
  SDSU14541  Sonchus oleraceus Craig H. Reiser, Kyle L. Ince 1990-6-22 22 -VI-90 San Diego Camp Joseph Pendleton MCB. San Diego County, California. Base Section: Oscar I. 9 Comment
  SDSU15662  Sonchus oleraceus Dinna C. Estrella 2003-4-25 147 San Diego Point Loma Naval Facility, SPAWAR. West of Woodward Rd., nearest cross street Propagation Rd. ca. 500 ft. North of cross roads. 33 Comment
  SDSU16229  Sonchus oleraceus Michael G. Simpson, Otay Mtn. team 2003-5-3 2407 San Diego Otay Mountain watershed, Miner's canyon, ca. 0.6 miles north of Marron Road. 216 Comment
  SDSU16443  Sonchus oleraceus Andrew J. Russ 2005-3-8 2 San Diego San Diego State University, San Diego. North of Art building. Northern side of trail. 10m WNW of 1st light pole from stairs. 110 Comment
  SDSU21809  Sonchus oleraceus Nashaad Ahmed, Michael G. Simpson 2016-3-17 San Diego San Diego State University, next to parking lot 15 (formerly X), near bottom half of stairs. 99 Comment
  SDSU535  Sonchus oleraceus M. Waggoner 1963-7-29 San Diego Northeast of 9433 Alto Drive, Mount Helix area. 290 Comment
  SDSU536  Sonchus oleraceus H. Wedberg 1961-12-23 746 San Diego At 9544 Rawlins Way, Santee. 168 Comment
  SDSU538  Sonchus oleraceus Pat R. Hanshaw 1965-5-7 San Diego Adjacent to Montezuma Rd. and E. of Fallview Dr. at corner of lower parking lot of State College Campus. 91 Comment
  SDSU539  Sonchus oleraceus Larry L. Larson 1971-5-24 San Diego Canyon betweeen Bayview Mobil Home Park and Chollas Sanitary Fill. 91 Comment
  SEINET10389894  Sonchus oleraceus A. C. Sanders, Jim Malusa 2016-3-7 42121 Imperial Chocolate Mountains Aerial Gunnery Range, c. 3.5 km NE (66 deg. ) of Salvation Pass well site 398 Comment
  SEINET10726864  Sonchus oleraceus John R. Stone, Sharon A. Bodine 2000-4-4 Stone 2851 San Bernardino Needles. Weed lot adjacent to Motel 6, 1420 J Street. 90 Comment
  SEINET10886931  Sonchus oleraceus Greg Gust, Leith Nye 2005-3-3 Gust 463 Imperial BLM Land just NE of Ogilby about 20 miles NW of Yuma off of Hwy 534 on American Girl Mine Rd. Desert Scrub. 159 Comment
  SEINET13384003 Image available Sonchus oleraceus R. G. Swinney 2010-1 12326 Los Angeles San Gabriel Mountains: Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  SEINET179461  Sonchus oleraceus Lawrence Booth 1932-6-15 1193 Orange East of Huntington Beach, Marsh border Comment
  SEINET1906356  Sonchus oleraceus Sarah J. De Groot 2004-1 3933 San Bernardino Copper Basin reservoir, ~NE side of lake. MWD property (permit 28 Aug. 2003). 301 Comment
  SEINET200988  Sonchus oleraceus Joseph P. Tracy 1903-8-2 sn Humboldt At Eureka 0 Comment
  SEINET2055267 Image available Sonchus oleraceus Scott White 1994-3-29 1940 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, N of Hwy 60, El Casco Quad. 701 Comment
  SEINET213336  Sonchus oleraceus Noel H. Holmgren, Patricia K. Holmgren; Ruth Kern 1973-3-21 6432 Riverside Big Maria Mts, 12 airline miles north of downtown Blythe 290 Comment
  SEINET4049325  Sonchus oleraceus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Peperdine University. 182 Comment
  SEINET7990726  Sonchus oleraceus Jon P. Rebman 2000-1-14 6137 San Diego Switzer Canyon, N Park area: Switzer Canyon, mostly W of 30 th Street. 100 Comment
  SEINET7990727  Sonchus oleraceus Jon P. Rebman 2000-2-11 6171 San Diego Cedar Ridge Park Canyons, N Park / Golden Hill: Cedar Ridge area, Canyon 150 Comment
  SEINET8044225 Image available Sonchus oleraceus Jeannie Gregory, Joe Barth 2010-1 3430 San Diego Rancho San Diego; US Fish and Wildlife Refuge; N Side of San Miguel Mountain; W of Millar Ranch Road; 0.72 miles SW of junction with Highway 94 (Campo Road); E side of Sweetwater River. 92 Comment
  SFV4120  Sonchus oleraceus K. A. Wilson 1961-2-21 875 Los Angeles San Fernando Valley Los Angeles, Northridge. San Fernando Valley State College campus. Weedy field and edges of orange grove. 260 Comment
  SJSU8162  Sonchus oleraceus S. T. Kraten 1973-2-28 Santa Clara 1616 Hollenbeck Ave., Sunnyvale Comment
  UC1070273  Sonchus oleraceus A. Simontacchi 1937-7-24 341 Lake Laurel Beach Lakeport Quad., Laurel Beach Comment
  UC1070275  Sonchus oleraceus N. K. Carlson 1936-3-22 207 San Luis Obispo 1 mi sse Miles; Arroyo Grande Quad. 45 Comment
  UC1070276  Sonchus oleraceus D. Axelrod 1935-3-17 113 Santa Barbara 1 mi sw Zaca; Lompoc Quad. Comment
  UC1070277  Sonchus oleraceus H. L. Person 1932-7-16 19437 Humboldt Highway n Trinidad; Rock Point Quad. Comment
Read comments
Aug 3 2007
  UC1070278  Sonchus oleraceus N. K. Carlson 1936-3-19 158 San Luis Obispo 1.9 mi ese Picacho; Arroyo Grande Quad. 175 Comment
Read comments
Nov 9 2008
  UC1070279  Sonchus oleraceus G. T. Nordstrom 1934-5-19 99 Sacramento near Brighton; Sacramento Quad. Comment
  UC1177290  Sonchus oleraceus John Thomas Howell 1945-7-8 21281 Marin Burdell Comment
  UC1215136  Sonchus oleraceus Peter H. Raven 1962-4-9 17139 Los Angeles near barracks (Wilson Cove, San Clemente Island); San Clemente Island, Wilson cove 60 Comment
  UC123736  Sonchus oleraceus H. A. Walker 1907-7-7 672 Alameda Fruitvale Comment
  UC123760  Sonchus oleraceus H. A. Walker 1907-7-4 618 Marin Cascade Drive Mill Valley (Mill Valley) Comment
  UC134386  Sonchus oleraceus H. Hemphill 1901-1 Ventura Anacapa Island Comment
  UC1348970  Sonchus oleraceus Robert F. Thorne 1966-4-7 35960 Los Angeles Santa Catalina Island 60 Comment
  UC1357801  Sonchus oleraceus Ronald E. Foreman and R. M. Lloyd 1965-12-17 129 Ventura e living quarters (San Nicolas Island); San Nicolas Island 30 Comment
  UC1357802  Sonchus oleraceus Ronald E. Foreman, E. C. Evans III, S. C. Rainey 1965-7-28 95 Ventura bluff overlooking Tule Creek (San Nicolas Island); San Nicolas Island 129 Comment
  UC1443161  Sonchus oleraceus H. A. Wier and R. M. Beauchamp 1978-7-4 Ventura Silver Tank Spring , Silver Tank Spring (San Nicolas Island) 182 Comment
  UC147612  Sonchus oleraceus Miss Harriet A. Walker 1908-6-27 1330 Placer Blue Canyon 1432 Comment
  UC1532940  Sonchus oleraceus Robert F. Thorne 1975-9-4 47386 Los Angeles campus USC Marine Science Center (Fisherman's Cove, Santa Catalina Island); Santa Catalina Island, Fisherman's Cove, USC Marine Science Comment
  UC1595228  Sonchus oleraceus Tim Ross and Peter Fritsch 1990-6-20 3610 Los Angeles mouth Burro Canyon (near confluence E and W Forks San Gabriel River); San Gabriel Mountains, near confluence E and W Forks San Gab 445 Comment
  UC164789  Sonchus oleraceus J. P. Tracy 1903-8-2 1926 Humboldt immediate vicinity Eureka 0 Comment
  UC1790085  Sonchus oleraceus Jon P. Rebman 2002-5-14 8080 San Diego Viejas Mountain: North of Alpine, approx. 0.5 miles north of the water tanks on Anderson Truck Trail; east of the road along the main trail to the top 850 Comment
  UC1790142  Sonchus oleraceus Jon P. Rebman 2002-8-7 8253 San Diego Kelley/Rebman Ranch at 565 Anderson Truck Trail on northwest side of Viejas Mountain: approx. 2 miles north of Victoria Road in Alpine 800 Comment
  UC1929639  Sonchus oleraceus Valerie Soza, LeRoy Gross 2001-5-14 1215 Los Angeles Transverse Ranges; San Gabriel Mountains; Santa Anita 1999 Fire area, above Santa Anita Canyon, c. 0.7 mi west of the Santa Anita Dam 762 Comment
  UC1948948  Sonchus oleraceus William J. Ferlatte, L. Maynard Moe 1970-4-27 1222 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC197002  Sonchus oleraceus F. E. and E. S. Clements 1914-5-14 267 San Diego La Jolla Comment
  UC197003  Sonchus oleraceus F. E. and E. S. Clements 1914-5-14 268 San Diego Howard Canyon , Howard Canyon (La Jolla) Comment
  UC2027083  Sonchus oleraceus Greg Wilvert 2005-4-25 320 San Luis Obispo Southeast Half of the Caliente Range: 1.1 km SW of Wells Spring Comment
  UC2032807 Image available Sonchus oleraceus Doran, Andrew Scott 2012-3-20 677 Contra Costa Brooks island loading dock, North side of island. Comment
  UC2052906  Sonchus oleraceus M. B. Dunkle 1939-8-13 8589 Santa Barbara Santa Cruz Island, Prisoners Harbor. Comment
  UC36525  Sonchus oleraceus J. Burtt Davy 1896-10-19 2854 San Bernardino Pomona Comment
  UC36527  Sonchus oleraceus J. Burtt Davy 1893-6-3 Alameda Berkeley Comment
  UC36528  Sonchus oleraceus J. Burtt Davy June 1893 4 Alameda Berkeley Comment
  UC36529  Sonchus oleraceus J. Burtt Davy 1893-6-3 Alameda Berkeley Comment
  UC407040  Sonchus oleraceus Ira L. Wiggins 1930-4-18 4608 Contra Costa Jersey Island Comment
  UC455896  Sonchus oleraceus I. J. Condit 1910-10-15 San Luis Obispo California Polytechnic School Comment
  UC483265  Sonchus oleraceus L. R. Abrams and I. L. Wiggins 1931-7-3 297 Santa Barbara Santa Barbara Island , Santa Barbara Island (Channel Islands) Comment
  UC537022  Sonchus oleraceus Lawrence M. Booth 1932-5-12 1012 Orange Newport Bay Comment
  UC537123  Sonchus oleraceus Lawrence M. Booth 1932-7-21 1297 Orange Anaheim Marsh Comment
  UC557677  Sonchus oleraceus Nell Murbarger 1936-3-1 110 Los Angeles San Clemente Island Comment
  UC557746  Sonchus oleraceus Nell Murbarger March, 1936 105 Los Angeles San Clemente Island Comment
  UC582435  Sonchus oleraceus Joseph P. Tracy 1935-5-16 13805 Humboldt Eureka 30 Comment
  UC589564  Sonchus oleraceus Beryl O. Schreiber 1932-8-3 716 Marin Avalis Beach , Avalis Beach (Tomales Bay) Comment
  UC60063  Sonchus oleraceus H. M. Hall May 1-5 1904 4832 Alameda Botanical Garden, University of California Comment
  UC606734  Sonchus oleraceus Edward Lee 1936-4-19 1955 Contra Costa ne shore Red Rock (San Francisco Bay); , ne shore Red Rock Comment
  UC610680  Sonchus oleraceus Edward Lee, Herbert Mason Apr 15 1935-Apr 16 1935 9109 Monterey Point Lobos State Park Comment
  UC63154  Sonchus oleraceus H. M. Hall 1901-6-27 2294 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , Southern California 1615 Comment
  UC63155  Sonchus oleraceus H. M. Hall May 6 1902-May 8 1902 3148 Ventura Casitas Pass 228 Comment
  UC63156  Sonchus oleraceus H. M. Hall 1902-4-23 2955 Riverside Vicinity of Riverside Comment
  UC650555  Sonchus oleraceus Ira L. Wiggins 1930-4-18 4608 Contra Costa Jersey Island Comment
  UC671959  Sonchus oleraceus Evelyn Hart Nelson 1940-3-20 87 Santa Clara Loma Prieta Santa Cruz Mountains, Loma Prieta 975 Comment
  UC674761  Sonchus oleraceus Norman W. Frazier 1942-4-1 89 Tulare Visalia Comment
  UC685458  Sonchus oleraceus Bob Rodin 1943-4-16 116 Alameda on southern slope w Botanical Garden (Strawberry Canyon, University of California Campus, Berkeley); Berkeley, University of California campus, Strawberry Canyon Comment
  UC691439  Sonchus oleraceus Mary L. Bowerman 1932-4-27 1369 Contra Costa w facing bank of ridge w Riggs Canyon (Oyster Ridge, Mount Diablo); Mount Diablo, s face Oyster Ridge Comment
  UC691778  Sonchus oleraceus Mary L. Bowerman 1930-8-24 416 Contra Costa Mitchell Canyon , Mitchell Canyon (Mount Diablo) Comment
  UC691790  Sonchus oleraceus Mary L. Bowerman 1935-4-12 2813 Contra Costa North Road Mount Diablo (Mount Diablo) 198 Comment
  UC729562  Sonchus oleraceus Carl B. Wolf 1932-5-9 3422 Los Angeles near Bathhouse (Avalon, Santa Cataline Island); Santa Catalina Island, Avalon Comment
  UC75803  Sonchus oleraceus unknown June 1903 Los Angeles Los Angeles Comment
  UC830471  Sonchus oleraceus I. W. Clokey 1930-6-9 4821 Santa Barbara Prisoners Harbor , Prisoners Harbor (Santa Cruz Island) 1000 Comment
  UC830472  Sonchus oleraceus I. W. Clokey 1930-5-26 4820 Santa Barbara Dix Canyon , Dix Canyon (Santa Cruz Island) Comment
  UC830473  Sonchus oleraceus Ira W. Clokey 1930-7-2 5079 Santa Barbara Pelican Bay Santa Barbara Islands, Santa Cruz Island, Pelican Bay (Santa Cruz Island, Santa Barbara Islands) Comment
  UCD120783  Sonchus oleraceus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7327 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD136155  Sonchus oleraceus Linda M. Barker 1976-7-5 1644 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UCD136156  Sonchus oleraceus Linda M. Barker 1976-6-1 1546 Humboldt Lanphere-Christensen Dunes. 3 miles west of Arcata. Comment
  UCD136157  Sonchus oleraceus Gerald L. Benny; Colin M. Wainwright 1971-4-21 380 San Bernardino Day Canyon, San Bernardino National Forest. Comment
  UCD136163  Sonchus oleraceus Larry DeBuhr; Gary Wallace 1973-3-3 793 Imperial Yuha Basin, Pinto Wash; along Highway 98 about 16 miles west of Calexico. Comment
  UCD136166  Sonchus oleraceus K. Esau 1935-6-25 s.n. Riverside road to Beaumont. Comment
  UCD136180  Sonchus oleraceus L. G. Goar 1930-4-20 s.n. Yolo Putah Canyon. Comment
  UCD136186  Sonchus oleraceus John Thomas Howell 1976-5-16 51630 Kern Delano. 97 Comment
  UCD136188  Sonchus oleraceus P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Sacramento River - Clarksburg. Comment
  UCD136195  Sonchus oleraceus A. C. Sanders 2005-5-6 29962 San Diego Peninsular Ranges; Coastal Foothills region: Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along Green Valley Truck Trail, in canyon below turnoff to Lake Poway. 213 Comment
  UCD136196  Sonchus oleraceus Clifton F. Smith 1944-4-1 656 Santa Barbara in Botanic Garden, Santa Barbara. Comment
  UCD136203  Sonchus oleraceus Robert F. Thorne 1984-5-6 58412 Santa Barbara Santa Cruz Island: Prisoners' Bay Canyon, behind Prisoners' Harbor Camp. 4 Comment
  UCD136204  Sonchus oleraceus M. Tu 1995-8-10 191 Sacramento Cosumnes River Preserve - Tall Forest. Collected from the southern end of the Tall Forest, about 200 meters E from the pump station. 1 Comment
  UCD136205  Sonchus oleraceus Ernest C. Twisselmann 1958-8-17 4673 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern part of county. 670 Comment
  UCD136206  Sonchus oleraceus Ernest C. Twisselmann 1962-10-20 7931 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern part of county. 670 Comment
  UCD150976  Sonchus oleraceus D. S. Park 2010-4-29 62 Los Angeles Wildwood Canyon, roadside near first canyon entrance trailhead. 388 Comment
  UCD159366  Sonchus oleraceus D. S. Park 2010-7-4 151 -1 Monterey Monterey, near gas station before entrance to 17 Mile Rd. Small population. 117 Comment
  UCD159367  Sonchus oleraceus D. S. Park 2010-7-4 151 -2 Monterey Monterey, near gas station before entrance to 17 Mile Rd. Small population. 117 Comment
  UCD159368  Sonchus oleraceus D. S. Park 2010-7-4 151 -3 Monterey Monterey, near gas station before entrance to 17 Mile Rd. Small population. 117 Comment
  UCD159369  Sonchus oleraceus D. S. Park 2010-7-4 151 -4 Monterey Monterey, near gas station before entrance to 17 Mile Rd. Small population. 117 Comment
  UCD159564  Sonchus oleraceus D. S. Park 2011-5-21 301 Santa Barbara Growing along Floradale Ave. Adjacent to farmland. 21 Comment
  UCD159886  Sonchus oleraceus Carla DeCrona 1992-4-5 11- 112 Sacramento Cosumnes River Preserve Plant Inventory. Area 11: Live Oak, The Point: bounded on N by seasonal slough, on W by RR tracks, on S by Cosumnes River. 7 Comment
  UCD159925  Sonchus oleraceus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD160554  Sonchus oleraceus Ellen Dean; Craig Thomsen 2015-3-21 8606 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. 234 Comment
  UCD165951  Sonchus oleraceus Ellen Dean; with K. Mawdsley and L. Huiet 2016-5-12 8895 Solano Mix Canyon, to the west of Pleasant Valley Rd. Along road side on south side of creek. North and south sides of road. 155 Comment
  UCD20791  Sonchus oleraceus N. Nicola 2001-3-14 007 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD21250  Sonchus oleraceus J. Shepard 2000-4-9 113 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. On side of path by archery range, north of parking lot on N side of entrance road. 12 Comment
  UCD21380  Sonchus oleraceus J. Shepard 2001-3-26 422 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. Five yards from east boundary and the Department of Defense property fence and approximately 200 yards north of County Road 36. 12 Comment
  UCD46364  Sonchus oleraceus K. F. Mawdsley; J. L. Buck 2005-4-30 82 Sacramento California: Sacramento County, Deer Creek Hills Reserve, south of Latrobe Rd., starting out along Latrobe 1.5 road miles W of intersection with Michigan Bar Rd. About 1/4 mi. from road into pasture. 116 Comment
  UCD48571  Sonchus oleraceus K. Mogel; B. Pekin and M. Higley 2002-5-4 4 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 100 ft along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  UCD50128  Sonchus oleraceus M. Tu 1998-11-5 156 Sacramento Cosumnes River Preserve Plant Inventory - Seed Bank Plants. 1 Comment
  UCD50129  Sonchus oleraceus M. Tu 1999-5-13 251 Sacramento Cosumnes River Preserve Plant Inventory - Seed Bank Plants. 1 Comment
  UCD50130  Sonchus oleraceus M. Tu 1996-6-17 194 Sacramento Cosumnes River Preserve Plant Inventory - Tall Forest. Collected from the southern end of the Tall Forest, about 200 m E from the pump station. 1 Comment
  UCD53969  Sonchus oleraceus Susan Miller 1993-3-21 2- 129 Sacramento Cosumnes River Preserve; collected in Area 2: Blue Field. 1 Comment
  UCD54137  Sonchus oleraceus Elizabeth Neese; J. J., M. Homrighausen, and C. Clapton 1992-3-22 19841 Sacramento Cosumnes River Preserve; ca. 15 miles south of Sacramento; between railroad tracks and Franklin Road; Inventory Area 7, # 7B. Comment
  UCD73712  Sonchus oleraceus Ayzik Solomeshch 2004-5-13 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD74491  Sonchus oleraceus J. E. Sandoval 1995-10-30 98 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
  UCD80915  Sonchus oleraceus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5319 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. 9 Comment
  UCR102676  Sonchus oleraceus B. G. Pitzer 1998-2-2 3475 Imperial Sonoran (Colorado) Desert, Algodones Dunes, S terminus of Ogilby Road, on south side of Hwy I-8. S end of dunes 61 Comment
  UCR104860  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2729 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR104885  Sonchus oleraceus A. C. Sanders 1997-3-19 20042 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR107290  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 1998-5-14 3646 Monterey Coast Range, Peachtree Valley, along Calif. Hwy 198, 6.2 mi. west of the Fresno/Monterey County lines. 503 Comment
  UCR108410  Sonchus oleraceus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  UCR109669  Sonchus oleraceus R. D. Goeden, Don W. Ricker 1978-1-11 s.n. San Diego Southern Coastal Plain, San Dieguito River Valley, south of Rancho Santa Fe, Via de La Valle (Hwy S6) at La Planidera Rd. 46 Comment
  UCR114473  Sonchus oleraceus Mitch Provance 1998-7-4 842 San Bernardino La Loma Hills, City of Colton, 0.5 km- 0.75 km north of Little Highgrove Peak (1478) 366 Comment
  UCR116303  Sonchus oleraceus B. G. Pitzer 1998-3-15 3650 San Diego Southern Coast, San Onofre State Beach, top of bluffs just south of the Orange County line 6 Comment
  UCR122176  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2002-4-23 7612 Fresno Central Valley; San Joaquin Valley, along CA Hwy 180, 10.8 mi west of CA Hwy 145 107 Comment
  UCR127979  Sonchus oleraceus A. C. Sanders, M. Elvin, C. Burrascano, A. Pignioli, A. Thomson, and others 2003-5-4 26537 San Diego Peninsular Range, San Ysidro Mountains, Otay Mountain, ridge c. 2-3 miles east of the peak, around end of jeep trail 945 Comment
  UCR128629  Sonchus oleraceus Mark A. Elvin 2003-5-3 2633 San Diego Peninsular Range, San Ysidro Mountains, SE side of Otay Mtn., western Marron Valley, mouth of 'Mine Canyon,' c. 1 km north of the Mexican border, slopes above the Tijuana River 213 Comment
  UCR132035  Sonchus oleraceus George K. Helmkamp 2003-7-31 8070 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR136362  Sonchus oleraceus A. C. Sanders 2004-5-7 27826 San Diego South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, canyon c. 1 mile SE of Cerro de la Calavera, c. 0.25 mi. SW of the dead end of Cannon Rd. 91 Comment
  UCR140145  Sonchus oleraceus George K. Helmkamp 2004-2-7 8257 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  UCR142242  Sonchus oleraceus Jon P. Rebman, J. Gregory 2003-4-15 8459 San Diego Crestridge Ecological Reserve: west of La Cresta between Alpine and El Cajon 455 Comment
  UCR146623  Sonchus oleraceus Jon P. Rebman, Jeannie Gregory 2003-5-29 9079 San Diego Peninsular Range, Rancho Jamul Ecological Reserve: west of Hwy. 94, south of Jamul & north of Otay Lakes Road; southwest part of reserve near Jamul Creek on an east-facing slope 260 Comment
  UCR147033  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2004-10-8 8838 San Luis Obispo Central Coast, Biddle Regional Park, 7 mi NE of Arroyo Grande along Lopez Drive and Arroyo Grande Creek 136 Comment
  UCR147504  Sonchus oleraceus Jon P. Rebman 2000-5-2 6650 San Diego Coastal Plains & Basins; South Coastal Plain region, Miramar Training Area #2. East Side 300 Comment
  UCR153310  Sonchus oleraceus A. C. Sanders, Mark A. Elvin 2005-4-22 29650 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center 6 Comment
  UCR154083  Sonchus oleraceus A. C. Sanders 2005-5-6 29962 San Diego Peninsular Ranges; Coastal Foothills region, Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along Green Valley Truck Trail, in canyon below turnoff to Lake Poway 213 Comment
  UCR154237  Sonchus oleraceus Mark A. Elvin, Scott Boczkiewicz 2005-2-5 3945 San Diego Peninsular Ranges, San Ysidro Mountains, W side of Otay Mountains, 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison, near tributary to Otay River, N of O'Neal Canyon 183 Comment
  UCR154784  Sonchus oleraceus A. C. Sanders 2005-6-2 30404 San Diego Peninsular Range, Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 793 Comment
  UCR154799  Sonchus oleraceus A. C. Sanders, T. B. Salvato 2005-6-17 31044 San Diego Peninsular Range, Boden Canyon Ecological Reserve at E end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek at confluence with Clevenger Canyon 213 Comment
  UCR156233  Sonchus oleraceus Jon P. Rebman, J. Gregory and J. Rocks 2004-6-1 10555 San Diego Otay Mountain Ecological Reserve (California Dept. of Fish & Game): Southeast of Otay Lake; south of Otay Lakes Road, just north of the old olive grove 375 Comment
  UCR157214  Sonchus oleraceus A. C. Sanders 2005-6-24 31201 San Diego South Coast, San Dieguito Lagoon Ecological Reserve (DFG), north edge of reserve along Palm Lane (closed/abandoned) east of San Dieguito Dr. near old airport site 2 Comment
  UCR157558  Sonchus oleraceus Jon P. Rebman, Jeannie Gregory 2004-5-11 10158 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
  UCR158754  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2004-6-24 8697 Santa Barbara Central Coast, Ocean Park at Surf, NW of Lompoc 6 Comment
  UCR159036  Sonchus oleraceus A. C. Sanders, Jennifer Jones 2005-6-22 31134 San Diego South Coast, Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, south side of lagoon just east of Carlsbad Blvd. (S-21) near Brown Park 6 Comment
  UCR159078  Sonchus oleraceus A. C. Sanders, Jennifer Jones 2005-6-22 31154 San Diego South Coast, Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, north side of lagoon between Carlsbad Blvd. (S-21) and the RR, south of Eaton St. 6 Comment
  UCR159341  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2004-6-24 8729 Santa Barbara Central Coast, between Ocean Park [Rd.] and Pacific Ocean at Surf; NW of Lompoc 15 Comment
  UCR161320  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2005-3-9 9105 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive 186 Comment
  UCR161332  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2005-3-5 9007 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
  UCR161678  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9064 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  UCR163839  Sonchus oleraceus A. C. Sanders, R. T. Hawke, et al. 2005-7-4 31359 San Bernardino San Bernardino Mtns., Cienaga Seca, Blue Sky Meadow Science Camp, N and W sides of the meadow 2470 Comment
  UCR165292  Sonchus oleraceus John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR165478  Sonchus oleraceus John F. Green 2005-3-10 s.n. Imperial Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 9 and 10, c. 4 miles NW of Niland 15 Comment
  UCR166071  Sonchus oleraceus John F. Green 2005-4-7 s.n. Imperial Sonoran (Colorado) Desert, E of Salton Sea, just south of Coachella Canal siphon 7, east of Camp Dunlap 30 Comment
  UCR166652  Sonchus oleraceus Sarah J. De Groot 2004-3-29 3933 San Bernardino Sonoran (Colorado) Desert, Whipple Mtns: Copper Basin reservoir, ~NE side of lake. MWD property (permit 28 Aug. 2003) 302 Comment
  UCR166869  Sonchus oleraceus Chet McGaugh 2005-2-17 s.n. Imperial Sonoran (Colorado) Desert, E of Salton Sea, NE of Niland, along Coachella Canal between siphons 10-11 30 Comment
  UCR167390  Sonchus oleraceus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR169305  Sonchus oleraceus Sarah J. De Groot, A. Gatto, C. Stevenson, Constance Baldwin 2003-4-19 2351 San Bernardino Sonoran (Colorado) Desert, Whipple Mountains, canyon on NE side of mountains, off powerline road 287 Comment
  UCR170067  Sonchus oleraceus Scott D. White, Jennifer H. Jones 2005-4-19 10962 Imperial Sonoran Desert, Fish Creek Mountains 213 Comment
  UCR170420  Sonchus oleraceus George K. Helmkamp, Elizabeth Helmkamp 2005-11-15 10028 El Dorado Northern Sierra Nevada Foothills, [E of Sacramento, c. 3 air mi NNW of Placerville]; South Fork of American River on the west side of Calif. Highway 193 291 Comment
  UCR171992  Sonchus oleraceus Margaret R. Mulligan, Joe Barth 2005-7-26 1256 San Diego McGinty Mountain Ecological Reserve (California Fish & Game). SE of city El Cajon. SE of intersection of Willow Glen Dr and Hillsdale Road. San Diego Atlas Square R14 116 Comment
  UCR172136  Sonchus oleraceus A. C. Sanders 2006-5-11 32252 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR174517  Sonchus oleraceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32506 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR176678  Sonchus oleraceus G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UCR176694  Sonchus oleraceus R. D. Goeden, Don W. Ricker 1980-2-7 s.n. Riverside Riverside, UCR Campus 366 Comment
  UCR177993  Sonchus oleraceus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR182349  Sonchus oleraceus Mitch Provance 2005-5-17 6591 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR186712  Sonchus oleraceus Melissa Lippincott 2007-6-28 s.n. Kern Tehachapi Mountains, 1.2 mi. ENE of Grapevine Peak. survey area 2.7D, west of Liveoak Canyon 1159 Comment
  UCR188396  Sonchus oleraceus Michael G. Simpson, Otay Mountain Team 2003-5-3 2407 San Diego Otay Mountain Watershed, Miners Canyon, c. 0.6 miles north of Marron Road 216 Comment
  UCR189736  Sonchus oleraceus R. G. Swinney 1998-7-10 6379 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 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
  UCR191421  Sonchus oleraceus A. C. Sanders, Fred M. Roberts 2008-4-8 34771 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon 495 Comment
  UCR192477  Sonchus oleraceus A. C. Sanders, Fred M. Roberts 2008-3-25 34545 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR192547  Sonchus oleraceus T. B. Salvato 2008-5-5 3462 San Diego Peninsular Range, c. 10 mi NE of San Diego near Santee, west of Santee Lakes and north of Mast Boulevard, near and southwest of the electrical substation 55 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
  UCR194848  Sonchus oleraceus R. G. Swinney 1998-8-28 6838 San Bernardino San Gabriel Mtns., Stoddard Canyon at 'Stoddard Falls 915 Comment
  UCR201922  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2008-10-9 14235 San Joaquin San Joaquin Valley, junction of Collier Road and CA-88, 1.1 miles north of the junction of CA-12 and CA-88, NE of Lodi 35 Comment
  UCR202035  Sonchus oleraceus Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR202063  Sonchus oleraceus Karin Cleary-Rose 1995-6-22 s.n. Ventura Simi Valley, Marr Ranch, between Tapo and Chivo Canyons, c. 2 miles north of Santa Susana 396 Comment
  UCR203136  Sonchus oleraceus Jon P. Rebman, Jeannie Gregory, K. Rich, M. Wall 2006-5-18 12727 San Diego Monte Vista Ranch (owned by The Nature Conservancy), south of Ramona, northwest of San Vicente Reservoir, south of San Vicente Road along Chuckwagon Road onto the Ranch, western portion of Ranch, along riparian zone north of Daney Canyon. Square M14 302 Comment
  UCR204233  Sonchus oleraceus Valerie Soza, LeRoy Gross 2001-5-14 1215 Los Angeles Transverse Ranges; San Gabriel Mountains, Santa Anita 1999 Fire area, above Santa Anita Canyon, c. 0.7 mi west of the Santa Anita Dam 762 Comment
  UCR205218  Sonchus oleraceus R. G. Swinney 2006-6-18 8534 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR210080  Sonchus oleraceus R. G. Swinney 2008-10-16 9635 San Bernardino San Gabriel Mtns., Wrightwood, Twin Lakes at Wrightwood Country Club, SW of junction of Willow St. and Oriole Rd. 1841 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
  UCR210223  Sonchus oleraceus R. G. Swinney 2008-8-14 9429 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR210425  Sonchus oleraceus R. G. Swinney 2008-11-29 9853 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
  UCR210546  Sonchus oleraceus R. G. Swinney 2008-11-7 9777 San Bernardino San Bernardino Valley/ San Gabriel Mtns., Glen Helen Regional Park, marsh to the west of the fishing lakes 610 Comment
  UCR211476  Sonchus oleraceus Jim Andre 2009-4-10 10137 San Bernardino Mojave Desert, Clipper Mountains; southwest end of the Clipper Mtns. along dirt road to Bonanza Mine, 2.2 miles N of Hwy 66 at Danby 559 Comment
  UCR212673  Sonchus oleraceus A. C. Sanders 2010-2-20 37288 Imperial Sonoran (Colorado) Desert; Colorado River Valley, near Haughtelin Lake (old Colorado R. oxbow), NE of Winterhaven between Cocopah (Blackwell) Rd. and lake 39 Comment
  UCR213420  Sonchus oleraceus A. C. Sanders, Dan S. Cooper 2010-3-12 37323 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR219444  Sonchus oleraceus R. G. Swinney 2009-3-26 10176 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  UCR219557  Sonchus oleraceus R. G. Swinney 2009-3-28 10212 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  UCR22055  Sonchus oleraceus Steve Boyd 1980-4-27 137 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR223419  Sonchus oleraceus Dick Newell, Don Millar 2011-3-1 065 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Hicks Canyon Haul Road, above Jeffrey Rd. and below Hwy 241 crossing 175 Comment
  UCR227088  Sonchus oleraceus Jim Andre, Glenn L. Clifton 2011-3-17 16087 San Bernardino Mojave Desert, Dead Mountains, in deep canyon c. 2 mi east northeast of Manchester Peak, 2.5 mi west of Heedles Hwy 488 Comment
  UCR227644  Sonchus oleraceus R. F. Thorne 1965-5-10 34507 Los Angeles Channel Islands, Santa Catalina Island, upper end of Gallagher Canyon 412 Comment
  UCR233207  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2010-4-7 15834 San Joaquin Northeast San Joaquin Valley, Collier Road, 0.1 mile west of its junction with CA-88, 1.83 mi. NE (27 deg. ) of Clements 47 Comment
  UCR237324  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2012-4-14 18743 Butte Northern Sacramento Valley, Robinsons Corner, Simpson Rd, just east of junction of East Gridley Road and CA-70 23 Comment
  UCR237451  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18567 Sutter Sacramento Valley, east end of Kirkville Road at the west edge of Sutter Bypass Causeway 15 Comment
  UCR237816  Sonchus oleraceus Mark A. Elvin 2003-2-2 2290 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  UCR238116  Sonchus oleraceus Mark A. Elvin 2002-5-4 1983 San Diego Peninsular Range, Otay Mountain near Doghouse Junction, off Otay Mountain Truck Trail and below radio towers 997 Comment
  UCR238926  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2012-2-9 18531 Colusa Sacramento Valley, River Road, 7.1 miles north of Colusa; east side of Sacramento River 18 Comment
  UCR239617  Sonchus oleraceus Fred M. Roberts 2012-4-27 7541 Orange Lomas de Santiago, Loma Ridge, west of SR 241, tributary to 'Las Flores' Canyon, near East Loma Ridge Road, 1.6 km southwest Irvine Lake Park Campground and 1.2 km east-southeast of Orange County Emergency Operations Center, Hill 1311 308 Comment
  UCR241884  Sonchus oleraceus Tracy Tennant 1998-3-21 SBV- 120 San Bernardino San Bernardino Valley, Lytle Creek, along Glen Helen Parkway, 0.15 mi. NE of Lytle Creek Rd. 633 Comment
  UCR242777  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2010-4-14 15863 Solano Northern San Joaquin Valley, Pitt School Road, 3.8 miles south of its junction with I-80 and south of Dixon 21 Comment
  UCR244957  Sonchus oleraceus Jon P. Rebman, W. Schmidtmann, J. Green, V. Marshall,T. Barckley 2012-5-31 24520 San Diego Lake Hodges: south of Escondido; southeast of the intersection of Lake Drive and Beech Lane; northwest side of Lake along the shore 95 Comment
  UCR253621  Sonchus oleraceus George K. Helmkamp 2014-3-11 22537 Nevada Sierra Nevada Mountains Foothills, Auburn, southbound on CA-49 about 0.1 mile east of Lincoln Way 402 Comment
  UCR255105  Sonchus oleraceus Joe Barth 2010-5-16 1018 San Diego South Coast, city of Santee, around hill and area adjacent to baseball fields just north of San Diego River. West of Riverford Road, south of Mast Blvd, east of Ramsgate Way. Atlas Square: P13 137 Comment
  UCR256332  Sonchus oleraceus Duncan S. Bell 2012-3-18 3200 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  UCR256704  Sonchus oleraceus Duncan S. Bell 2012-3-8 3144 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  UCR256872  Sonchus oleraceus R. G. Swinney 2010-6-8 13214 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
  UCR258568  Sonchus oleraceus R. G. Swinney 2010-5-29 13015 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
  UCR258707  Sonchus oleraceus R. G. Swinney 2010-3-16 11933 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  UCR258831  Sonchus oleraceus R. G. Swinney 2010-4-23 12341 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258958  Sonchus oleraceus R. G. Swinney 2010-2-27 11751 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UCR259135  Sonchus oleraceus R. G. Swinney 2010-5-4 12530 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
  UCR259402  Sonchus oleraceus R. G. Swinney 2010-8-30 13635 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR259586  Sonchus oleraceus R. G. Swinney 2010-4-15 12225 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259927  Sonchus oleraceus R. G. Swinney 2010-4-1 12150 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
  UCR260007  Sonchus oleraceus R. G. Swinney 2010-3-24 12091 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR260027  Sonchus oleraceus R. G. Swinney 2010-4-21 12326 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UCR260393  Sonchus oleraceus R. G. Swinney 2010-6-21 13283 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
  UCR26160  Sonchus oleraceus John C. Roos 1949-10-1 4686 Orange South Coast, Doheny Beach 0 Comment
  UCR263931  Sonchus oleraceus Joe Barth 2011-2-13 1111 San Diego Sonoran (Colorado) Desert, between 649 and 655 Palm Canyon Dr., Borrego Springs 185 Comment
  UCR266454  Sonchus oleraceus Mitch Provance, Callen Huff 2009-4-7 10336 Kern Foothills of the Southern Sierra Nevada., White Wolf Grade, c. 6 miles ENE of Arvin, N side of Bear Mountain Blvd. (Hwy 223) 362 Comment
  UCR269599  Sonchus oleraceus A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes 2016-3-14 42185 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, along old Niland-Blythe Rd., in wide main canyon near Lion Head Mountain, c. 2.75 km SW of Beal Well 351 Comment
  UCR269769  Sonchus oleraceus A. C. Sanders, Jim Malusa 2016-3-7 42121 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, c. 3.5 km NE (66 deg. ) of Salvation Pass well site 398 Comment
  UCR269779  Sonchus oleraceus A. C. Sanders, Jim Malusa 2016-3-17 42339 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench just inside Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. 1.2 km east of Surveyors Pass 629 Comment
  UCR270171  Sonchus oleraceus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42388 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR271058  Sonchus oleraceus R. G. Swinney 2011-6-6 15001 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR272637  Sonchus oleraceus R. G. Swinney 2011-5-6 14587 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  UCR275930  Sonchus oleraceus T. B. Salvato, Sandra Murcia 2006-5-9 1397 San Bernardino San Bernardino Valley, Lower Cajon Pass, Glen Helen Parkway where it crosses Cajon Wash, between Glen Helen Road and Cajon Blvd. 614 Comment
  UCR280569  Sonchus oleraceus R. G. Swinney 2014-5-13 16490 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  UCR281336  Sonchus oleraceus R. G. Swinney 2014-5-21 16628 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  UCR281363  Sonchus oleraceus R. G. Swinney 2014-5-15 16516 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  UCR281427  Sonchus oleraceus R. G. Swinney 2014-5-27 16668 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 445 Comment
  UCR281610  Sonchus oleraceus R. G. Swinney 2014-5-19 16575 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  UCR3299  Sonchus oleraceus T. R. Plumb 1964-2-15 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverisde, near E side of Fire Lab 267 Comment
  UCR33603  Sonchus oleraceus Faulkner 1978-4-28 472 San Bernardino Eastern Colorado Desert, 1 mile east of Needles to 2 miles SE along the Colorado River 146 Comment
  UCR41347  Sonchus oleraceus N. M. Fellows, A. C. Sanders 1985-5-7 185 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR41710  Sonchus oleraceus G. R. Ballmer, G. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  UCR48135  Sonchus oleraceus Michael Theroux 1983-4-10 519 Kern S Sierra Nevada Foothills, Mouth of Kern Canyon, SE of Hwy 178 671 Comment
  UCR49975  Sonchus oleraceus A. C. Sanders 1987-11-28 7548 San Bernardino San Bernardino Valley, Glen Helen Sheriff's Training Facility, lower Lytle Creek Wash between Verdemont Ranch and Glen Helen Rehabilitation Facility 520 Comment
  UCR77139  Sonchus oleraceus A. C. Sanders, E. J. Lott 1993-5-30 14126 San Bernardino Eastern Mojave Desert, Cornfield Spring Canyon, W slope of Providence Mtns, 4 mi SE of Kelso 976 Comment
  UCR81685  Sonchus oleraceus J. M. Stewart 1994-5-2 854 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  UCR84660  Sonchus oleraceus Scott D. White, S. Ogg 1994-4-21 1991 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR91282A  Sonchus oleraceus Scott D. White, M. Jacobsmeyer 1996-4-20 3968 A Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR92283  Sonchus oleraceus Scott D. White, S. Ogg 1994-10-17 2497 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  UCR92320  Sonchus oleraceus Scott D. White 1995-2-7 2535 Los Angeles San Gabriel Mtns., Santa Susana Mtns, Sunshine Canyon, directly west of Hwy I-5 just south of interchange with Hwy 14 457 Comment
  UCR92614  Sonchus oleraceus Scott D. White 1994-3-29 1937 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR97167  Sonchus oleraceus Scott D. White 1992-8-15 678 San Bernardino San Bernardino Mtns, Mill Creek Canyon, N-facing drainage above Forest Falls, along Rattlesnake Creek (known locally as 'Snow Canyon'), near town water tanks 1980 Comment
  UCR97843  Sonchus oleraceus Scott D. White, B. Leatherman 1997-4-3 4873 Fresno Central Valley, Kings River area: east of Centerville, just south of State Hwy 180 (Kings Canyon Road) at gravel quarry 122 Comment
  UCSB12273  Sonchus oleraceus Richard Suter 1961-5-12 104 Santa Barbara collected in front of Juniper Hall Dormitory, in the UCSB Main Campus, near Goleta Juniper Hall Dormitory, UCSB Main Campus 7 Comment
  UCSB12595  Sonchus oleraceus Corfman, Nancy 1961-3-4 Imperial 2 miles south, 2 miles west, 1/2 mile south of McCabe School Comment
  UCSB13494  Sonchus oleraceus Breedlove, Dennis 1961-4-23 Santa Barbara Along the Alamo Pintado Creek from 7-8 miles north of Los Olivos; base of Figueroa Mountain, Birabent Canyon, San Rafael Range 426 Comment
  UCSB22566  Sonchus oleraceus Whistler, Art 1967-5-5 Santa Barbara Purisima Hills locality is 0.7 miles (via a dirt road) from State Hwy. 1, 0.6 miles south of the Hwy's intersection with the Los Alamos-Casmalia Road Comment
  UCSB24896  Sonchus oleraceus del Moral, Roger 1967-4-20 Santa Barbara Las Varas Ranch, 0.5 miles south of U.S. 101, 8 miles west of Goleta, Goleta Coastal Plain 9 Comment
  UCSB32519  Sonchus oleraceus Smith, Owen 1977-3-14 Santa Barbara On 6639 Abrego Road in Isla Vista 6 Comment
  UCSB32676  Sonchus oleraceus Faraday, Christopher 1978-6-2 Santa Barbara Fields at El Colegio Road and Camino Corto Road Comment
  UCSB363557  Sonchus oleraceus M. O. Bagley 1973-5-27 44 Santa Barbara collected 100 yds W, at UCSB Main Campus Coal Oil Point Reserve - , and UCSB Campus 0 Comment
  UCSB36357  Sonchus oleraceus Bagley, Mark 1973-5-27 Santa Barbara 100 yards west of Coal Oil Point Reserve, UCSB Comment
  UCSB36444  Sonchus oleraceus Steele, Kelly; Koehler, D.; Gordon, Patricia 1980-4-30 Santa Barbara Southwest of intersection of Storke Road and El Colegio, and adjacent to Isla Vista, on northern portion of West Campus, UCSB Comment
  UCSB39162  Sonchus oleraceus Ferren, Wayne 1979-3-22 Santa Barbara Margin of central portion of Apple Rd., Carpinteria Salt Marsh, Carpinteria Comment
  UCSB39166  Sonchus oleraceus Ferren, Wayne 1979-5-8 Santa Barbara Ca. 7 m. W of berm along W bank of Santa Monica Creek, Carpinteria Salt Marsh, Carpinteria Comment
  UCSB39177  Sonchus oleraceus Ferren, Wayne 1979-3-22 Santa Barbara W of N end of Apple Rd., Carpinteria Salt Marsh, Carpinteria Comment
  UCSB40132  Sonchus oleraceus R. B. Norton 1979-8-4 159 b Santa Barbara collected near the Events Facilities Building, in UCSB Main Campus Events Facilities Building, and UCSB Campus Comment
  UCSB40154  Sonchus oleraceus Steele, Kelly 1981-9-2 Santa Barbara More Mesa; along the Pacific Ocean, south of Atascadero Creek, adjacent to and west of Hope Ranch Park, ca. 3 km. southeast of Goleta; North Basin near North Ravine (Area 6a near 6c) 40 Comment
  UCSB43204  Sonchus oleraceus Fletcher, Martin 1979-10-11 Santa Barbara On the rim of the Sacate Creek outlet 1 Comment
  UCSB43370  Sonchus oleraceus Ferren, Wayne 1980-5-12 Santa Barbara Just W of Apple Rd., Carpinteria Salt Marsh Comment
  UCSB43371  Sonchus oleraceus Ferren, Wayne 1980-5-12 Santa Barbara Just W of Apple Rd., Carpinteria Salt Marsh Comment
  UCSB47457  Sonchus oleraceus Steele, Kelly 1983-4-20 Kern Western San Joaquin Valley, along Lokern Road, 3.4 miles west of Buttonwillow; (T29S R23E S20) 83 Comment
  UCSB47898  Sonchus oleraceus Forbes, Holly 1983-2-20 Santa Barbara La Purisima Mission State Historic Park. 2 km NE of Lompoc City Limit; on east side of upper reservoir Comment
  UCSB48372  Sonchus oleraceus Roberts, Jr., Fred 1982-5-22 Orange Dana Point: jct. of Stone Hill Dr. & Selva Rd.; 1.0 km ESE Dana Hills High School; 1.7 km SW Marco Forster Junior High School 40 Comment
  UCSB52530  Sonchus oleraceus Magney, David 1985-3-25 Santa Barbara Along Ridge Road on Santa Cruz Island 179 Comment
  UCSB53227  Sonchus oleraceus Magney, David; Burgess, Rick 1983-10-23 Ventura 12 miles N of Ojai, western Transverse Ranges T5N, R23W, S. 1, 2, & 3, Wheeler Springs Quadrangle; at eastern edge of ridge along Hwy. 33 (mile marker 27.43) 1097 Comment
  UCSB53616  Sonchus oleraceus Reisentz, Paul 1979-4-22 Ventura Mirror Lake, 1/2 mile south of intersection of Hwy. 150 and Hwy 33, 3 miles SW of Ojai, 12 miles N of Ventura 190 Comment
  UCSB56447  Sonchus oleraceus Pritchett, David 1987-7-17 Santa Barbara Ridge at northern boundary of Vandenberg Air Force Base 441 Comment
  UCSB61321  Sonchus oleraceus Parikh, Anuja; Gale, Nathan 1994-5-26 Santa Barbara On Abandoned Road 2, Vandenberg Air Force Base 76 Comment
  UCSB6700  Sonchus oleraceus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  UCSB6735  Sonchus oleraceus Roger Krogen 1957-1-1 157 Santa Barbara collected near the Science Building, in the UCSB Main Campus UCSB Main Campus Comment
  UCSB7369  Sonchus oleraceus Ullman, Sydney 1956-3-12 Santa Barbara Bank of estuary at Arroyo Burro Beach Comment
  UCSB7433  Sonchus oleraceus Clements, Frederic; Clements, Edith 1914-5-14 San Diego La Jolla Comment
  UCSB7434  Sonchus oleraceus Clements, Frederic; Clements, Edith 1914-5-14 San Diego Howard Canyon, La Jolla Comment
  UCSC000852  Sonchus oleraceus Ivar Tidestrom June 1893 s.n. Monterey Pacific Grove Comment
  UCSC001618  Sonchus oleraceus Charisse Bickford 1979-4-14 s.n. Monterey Found in Mixed Hardwood Woodland on the South Ridge Access road. South Ridge Access road. - Landels-Hill Big Creek Reserve, Santa Lucia Mountains 488 Comment
  UCSC008991  Sonchus oleraceus Al Keuter 2012-11-23 AK 00 -049 Santa Cruz Along outside edge of tennis court fence, in flower bed; Scotts Valley 196 Comment
  YM-YOSE109125  Sonchus oleraceus Justin Adams 1998-6-25 3007 Mariposa LOWER RIVER CAMPGROUND, YOSEMITE VALLEY, YOSEMITE NATIONAL PARK, CALIFORNIA; EAST OF BATHROOM, NEAR ROAD; SANDY SOIL (SAND FROM 1997 FLOOD). Comment
  CAS-BOT-BC374556  Sonchus oleraceus S. Parnay Mar. s.n. Unknown Unspecified Comment
  CAS-BOT-BC374557  Sonchus oleraceus John Thomas Howell 1954-5-16 s.n. El Dorado 2 miles nw. of Placerville Comment
  CAS-BOT-BC374560  Sonchus oleraceus John Thomas Howell 1958-5-29 33625 Inyo Bishop 1264 Comment
  CAS-BOT-BC374561  Sonchus oleraceus J. W. Blankinship 1923-6-17 s.n. Lake Kelseyville Comment
  CAS-BOT-BC374565  Sonchus oleraceus John Thomas Howell 1973-7-25 49971 Merced Near Gustine 30 Comment
  CAS-BOT-BC374566  Sonchus oleraceus Gordon H. True 1961-7-14 s.n. Nevada G. H. True Ranch, 7 miles southwest of Grass Valley on McCourtney Road 548 Comment
  CAS-BOT-BC374569  Sonchus oleraceus Ernest C. Twisselmann 1967-6-12 13317 San Benito Canyon of San Benito River, 4 miles below Picacho 762 Comment
  CAS-BOT-BC374570  Sonchus oleraceus E. E. Stanford 1927-3-29 126 San Joaquin Stockton Comment
  CAS-BOT-BC374571  Sonchus oleraceus Chester Dudley 1927-9-12 s.n. Stanislaus Modesta [Modesto] Comment
  CAS-BOT-BC374572  Sonchus oleraceus Lowell Ahart 1982-10-11 3873 Sutter Below the bridge on Pass Road, a little east of the Gass [Gas] Compression Station, Sutter Buttes 50 Comment
  CAS-BOT-BC374573  Sonchus oleraceus Lowell Ahart 1982-6-20 3632 Sutter South-east of the Dean Cabin, Dean Ranch, Sutter Buttes 350 Comment
  CAS-BOT-BC374574  Sonchus oleraceus John Thomas Howell 1960-8-20 36243 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CAS-BOT-BC374575  Sonchus oleraceus John Thomas Howell; Gordon H. True 1967-5-31 42524 Tulare About 4 1/2 miles east-northeast of Pixley. Near E line of area 83 Comment
  CAS-BOT-BC374576  Sonchus oleraceus John Thomas Howell 1967-11-3 44028 Tulare About 4.5 miles east-northeast of Pixley 83 Comment
  CAS-BOT-BC374577  Sonchus oleraceus Mrs. W. J. Williamson 1919-5-21 145 Tuolumne Spring Gulch near Bear Creek 320 Comment
  CAS-BOT-BC374578  Sonchus oleraceus Mrs. W. J. Williamson 1919-5-21 145 Tuolumne Spring Gulch near Bear Creek 320 Comment
  CAS-BOT-BC374579  Sonchus oleraceus A. J. Bassinger 1920-10-14 s.n. Yolo Conaway ranch, Woodland Comment
  CAS-BOT-BC374580  Sonchus oleraceus Volney Rattan 1877-4-1 s.n. Alameda Shell Mound, Oakland Comment
  CAS-BOT-BC374581  Sonchus oleraceus Paul F. Covel 1937-9-16 673 Alameda Oak. Hills Comment
  CAS-BOT-BC374582  Sonchus oleraceus John Thomas Howell 1954-3-1 29129 Alameda Allston Way near Grove St., Berkeley Comment
  CAS-BOT-BC374583  Sonchus oleraceus Cherie L. Wetzel 1969-5-8 853 Alameda Niles Canyon and Vicinity. Joyland Park Comment
  CAS-BOT-BC374584  Sonchus oleraceus Cherie L. Wetzel 1967-9-30 150 Alameda Niles Canyon and Vicinity Comment
  CAS-BOT-BC374585  Sonchus oleraceus Cherie L. Wetzel 1968-4-23 316 Alameda Niles Canyon and Vicinity. Intersection of Niles Canyon Blvd. and Old Niles Canyon Road Comment
  CAS-BOT-BC374586  Sonchus oleraceus Cherie L. Wetzel 1969-4-19 777 Alameda Niles Canyon and Vicinity. Slope above Old Niles Canyon Road Comment
  CAS-BOT-BC374587  Sonchus oleraceus Cherie L. Wetzel 1969-8-28 1019 Alameda Niles Canyon and Vicinity. Alameda Creek at Mission Blvd. Comment
  CAS-BOT-BC374588  Sonchus oleraceus Cherie L. Wetzel 1969-4-1 617 Alameda Niles Canyon and Vicinity. Muller's ranch Comment
  CAS-BOT-BC374589  Sonchus oleraceus Cherie L. Wetzel 1969-9-23 1053 Alameda Niles Canyon and Vicinity. Shillings Park Comment
  CAS-BOT-BC374590  Sonchus oleraceus Cherie L. Wetzel 1969-10-26 1100 Alameda Niles Canyon and Vicinity. Shilling's Park. Growing at edge of Alameda Creek Comment
  CAS-BOT-BC374591  Sonchus oleraceus Cherie L. Wetzel 1969-4-1 625 Alameda Niles Canyon and Vicinity. Muller's ranch Comment
  CAS-BOT-BC374592  Sonchus oleraceus Ira L. Wiggins 1930-4-18 4608 Contra Costa Jersey Island Comment
  CAS-BOT-BC374593  Sonchus oleraceus Walter Knight; Irja Knight; J. T. Howell; E. McClintock; et al 1978-9-5 3225 Contra Costa Browns Island. Sandy Knob Comment
  CAS-BOT-BC374594  Sonchus oleraceus R. E. Frenkel 1963-8-18 263 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  CAS-BOT-BC374595  Sonchus oleraceus Huron H. Smith 1911-6-20 3907 Humboldt Vances C. 20 Comment
  CAS-BOT-BC374596  Sonchus oleraceus F. J. Kirby 1958-7-1 s.n. Humboldt West of Bridgeville 152 Comment
  CAS-BOT-BC374601  Sonchus oleraceus John Thomas Howell 1976-5-16 51630 Kern Delano 97 Comment
  CAS-BOT-BC374602  Sonchus oleraceus John Thomas Howell 1962-4-9 37088 Kern Kernville Comment
  CAS-BOT-BC374603  Sonchus oleraceus Noraine Meng 1967-5-22 402 Kern Naval Weapons Center, China Lake 609 Comment
  CAS-BOT-BC374604  Sonchus oleraceus Noraine Meng 1967-5-22 402 Kern Naval Weapons Center, China Lake 609 Comment
  CAS-BOT-BC374605  Sonchus oleraceus Ernest C. Twisselmann 1965-4-21 10582 Kern Tehachapi Mountains. Tejon Canyon 1013 Comment
  CAS-BOT-BC374606  Sonchus oleraceus Ernest C. Twisselmann 1965-4-21 10582 Kern Tehachapi Mountains. Tejon Canyon 1013 Comment
  CAS-BOT-BC374607  Sonchus oleraceus Ernest C. Twisselmann 1966-5-12 12227 Kern Sierra Nevada, Greenhorn Range. Kern Hot Springs 807 Comment
  CAS-BOT-BC374608  Sonchus oleraceus C. W. Tilforth 1969-7-17 210 Los Angeles Rancho Santa Ana Bot. Gard., Claremont Comment
  CAS-BOT-BC374609  Sonchus oleraceus C. W. Tilforth 1969-11-22 238 Los Angeles Rancho Santa Ana Bot. Gard., Claremont Comment
  CAS-BOT-BC374611  Sonchus oleraceus M. B. Dunkle 1940-3-21 7450 Los Angeles East slope, Santa Barbara Island Comment
  CAS-BOT-BC374612  Sonchus oleraceus Carl B. Wolf 1932-5-9 3422 Los Angeles Santa Catalina Island. Avalon. Near Bathhouse 7 Comment
  CAS-BOT-BC374613  Sonchus oleraceus L. R. Abrams; I. L. Wiggins 1931-7-3 297 Los Angeles Channel Islands. Santa Barbara Island Comment
  CAS-BOT-BC374614  Sonchus oleraceus E. R. Blakley 1962-6-10 5259 Los Angeles San Clemente Island 15 Comment
  CAS-BOT-BC374615  Sonchus oleraceus Wesley O. Griesel 1961-1-28 s.n. Los Angeles La Canada [Canada] 457 Comment
  CAS-BOT-BC374617  Sonchus oleraceus John Thomas Howell 1964-6-29 40767 San Luis Obispo Cambria Comment
  CAS-BOT-BC374618  Sonchus oleraceus J. T. Howell 1961-4-14 36500 San Luis Obispo Santa Lucia Mountains. Cambria Comment
  CAS-BOT-BC374619  Sonchus oleraceus Ernest C. Twisselmann 1967-9-9 13689 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon 598 Comment
  CAS-BOT-BC374620  Sonchus oleraceus Ernest C. Twisselmann 1967-9-9 13689 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon 598 Comment
  CAS-BOT-BC374624  Sonchus oleraceus Clare B. Hardham 1957-5-12 1915 San Luis Obispo Santa Lucia Mountains. Trail to Green's Lake Comment
  CAS-BOT-BC374625  Sonchus oleraceus Clare B. Hardham 1957-11-2 2702 San Luis Obispo Santa Lucia Mountains. Old Creek, Cayucos Comment
  CAS-BOT-BC374626  Sonchus oleraceus Clare B. Hardham 1957-7-15 2464 San Luis Obispo Santa Lucia Mountains. Graves Creek, Del Rio Road Comment
  CAS-BOT-BC374627  Sonchus oleraceus Clare B. Hardham 1957-7-15 2464 San Luis Obispo Santa Lucia Mountains. Graves Creek, Del Rio Road Comment
  CAS-BOT-BC374628  Sonchus oleraceus Clare B. Hardham 1957-7-15 2463 San Luis Obispo Santa Lucia Mountains. Graves Creek, Del Rio Road Comment
  CAS-BOT-BC374630  Sonchus oleraceus Roxana S. Ferris 1954-4-23 12730 Marin Ditches near Dillon's Beach Post Office Comment
  CAS-BOT-BC374631  Sonchus oleraceus John Thomas Howell 1945-7-8 21281 Marin Burdell Comment
  CAS-BOT-BC374632  Sonchus oleraceus John Thomas Howell 1945-9-16 21471 Marin San Rafael Comment
  CAS-BOT-BC374633  Sonchus oleraceus Javier Penalosa 1961-6-7 1620 Marin Tiburon Peninsula. West of Marin Country Day School 30 Comment
  CAS-BOT-BC374634  Sonchus oleraceus Javier Penalosa 1961-7-8 1932 Marin Tiburon Peninsula. Tiburon Comment
  CAS-BOT-BC374635  Sonchus oleraceus Javier Penalosa 1961-2-25 1068 Marin Tiburon Peninsula. Tiburon. Along Tiburon Blvd. near NWPRR Water Tower Comment
  CAS-BOT-BC374636  Sonchus oleraceus Javier Penalosa 1961-3-25 1174 Marin Tiburon Peninsula. Tiburon. Near Recreation Center below St. Hilary's Church Comment
  CAS-BOT-BC374637  Sonchus oleraceus Javier Penalosa 1961-4-16 1311 Marin Tiburon Peninsula. NWPRR yard in Tiburon Comment
  CAS-BOT-BC374638  Sonchus oleraceus Javier Penalosa; J. T. Howell 1961-6-7 1646 Marin Tiburon Peninsula. West of Marin Country Day School 30 Comment
  CAS-BOT-BC374639  Sonchus oleraceus J. T. Howell 1990-9-28 s.n. Marin Terra Linda - in weedy Northgate planter Comment
  CAS-BOT-BC374640  Sonchus oleraceus Clare R. Wheeler 1979-4-3 825 Mendocino Wheeler Ranch. 6 mi. SW of Yorkville 487 Comment
  CAS-BOT-BC374641  Sonchus oleraceus Clare R. Wheeler 1978-6-15 419 Mendocino Iverson Landing. Coastal bluff 5 mi. S. of Pt. Arena on Hwy 1 15 Comment
  CAS-BOT-BC374642  Sonchus oleraceus Clare B. Hardham 1968-6-10 16659 Mendocino 2 miles north of Point Arena between Coast Highway and the beach 15 Comment
  CAS-BOT-BC374643  Sonchus oleraceus Roxana S. Ferris; W. R. Ernst 1956-7-8 13027 Monterey By Tularcitos Creek, Carmel Valley road, 6 mi. E of Carmel Valley Inn at junction of Salinas cut-off Comment
  CAS-BOT-BC374644  Sonchus oleraceus Cathy Genetti; Eric Engles 1982-4-18 183 Monterey Landels-Hill Big Creek Reserve, Gamboa Point Section. Santa Lucia Mountains. Found along Highway 1 near a roadside pull-off south of Vicente Creek Comment
  CAS-BOT-BC374645  Sonchus oleraceus Josephine D. Randall 1909-12-30 s.n. Monterey Monterey Peninsula. Near trail from Carmel to Monterey Comment
  CAS-BOT-BC374646  Sonchus oleraceus Josephine D. Randall 1911-3-27 s.n. Monterey Monterey Peninsula. Between Moss Beach & Pacific Grove Comment
  CAS-BOT-BC374647  Sonchus oleraceus Alice D. Randall 1910-2-19 28 Monterey Monterey Peninsula. Carmel-by-the-Sea Comment
  CAS-BOT-BC374648  Sonchus oleraceus Alice D. Randall 1910-2-19 28 Monterey Monterey Peninsula. Carmel-by-the-Sea Comment
  CAS-BOT-BC374649  Sonchus oleraceus Miss Patterson; Miss Wiltz 1907-6-6 s.n. Monterey Near Pacific Grove Comment
  CAS-BOT-BC374650  Sonchus oleraceus Alice D. Randall 1910-3-31 227 Monterey Monterey Peninsula. Seaside Comment
  CAS-BOT-BC374651  Sonchus oleraceus Beatrice F. Howitt 1956-6-3 946 Monterey Santa Lucia Mountains. By side of Pine Ridge Trail from Big Sur Park to Ventana Camp Comment
  CAS-BOT-BC374652  Sonchus oleraceus Beatrice F. Howitt 1958-5-29 1054 Monterey Santa Lucia Mountains. By side of trail in Del Monte Forest Comment
  CAS-BOT-BC374653  Sonchus oleraceus Beatrice F. Howitt 1955-3-8 32 Monterey Monterey Peninsula. In Del Monte Park, Pacific Grove Comment
  CAS-BOT-BC374654  Sonchus oleraceus Floyd Durham 1942-8-23 602 Monterey Arnold House. Frances Simes Hastings Natural History Reservation, upper Carmel Valley about 2 miles northeast of Jamesburg Comment
  CAS-BOT-BC374655  Sonchus oleraceus Elsa G. Ruckert 1960-2-20 1 Napa 6495 Dry Creek Road. Field southwest of house 365 Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  CAS-BOT-BC374657  Sonchus oleraceus Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC374658  Sonchus oleraceus Ira L. Wiggins 1966-2-1 20406 Orange Orange grove just east of Letters & Science building, California State College at Fullerton Comment
  CAS-BOT-BC374659  Sonchus oleraceus Ira L. Wiggins 1966-3-5 20514 Orange Field about 1/2 mi. W. of El Toro Post Office, along Highway S-18 Comment
  CAS-BOT-BC374662  Sonchus oleraceus Ira L. Wiggins 1965-11-6 20334 Orange West side of Atwood Comment
  CAS-BOT-BC374664  Sonchus oleraceus W. P. Sanders 1969-7-4 s.n. Orange Costa Mesa Comment
  CAS-BOT-BC374665  Sonchus oleraceus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1466 Plumas Butterfly Botanical Area and Vicinity. In Butterfly Canyon 990 Comment
  CAS-BOT-BC374666  Sonchus oleraceus John Thomas Howell 1951-6-29 27755 Plumas Feather River Canyon 548 Comment
  CAS-BOT-BC374667  Sonchus oleraceus John Thomas Howell 1966-7-29 42023 Plumas Quincy 1036 Comment
  CAS-BOT-BC374670  Sonchus oleraceus J. H. Thomas 1958-5-13 7196 San Francisco San Francisco. Western end of Golden Gate Park near the Sloop Gjoa. Area about sea level Comment
  CAS-BOT-BC374672  Sonchus oleraceus Ernest C. Twisselmann 1956-9-8 3124 San Francisco Mt. Davidson 291 Comment
  CAS-BOT-BC374673  Sonchus oleraceus Ernest C. Twisselmann 1956-9-8 3124 San Francisco Mt. Davidson 291 Comment
  CAS-BOT-BC374674  Sonchus oleraceus Alice Eastwood 1915-8-1 s.n. San Francisco Vacant lot on Sansome St., San Francisco Comment
  CAS-BOT-BC374675  Sonchus oleraceus Alice Eastwood 1926-10-15 s.n. San Francisco Farallon Isl. Comment
  CAS-BOT-BC374680  Sonchus oleraceus John Thomas Howell 1956-4-22 31269 San Francisco Embarcadero at Powell St., San Francisco Comment
  CAS-BOT-BC374681  Sonchus oleraceus John Thomas Howell 1957-6-16 32668 San Francisco San Francisco. Third & Davidson streets Comment
  CAS-BOT-BC374682  Sonchus oleraceus John Thomas Howell 1957-5-26 32419 San Francisco San Francisco. North base of Lone Mt. Comment
  CAS-BOT-BC374684  Sonchus oleraceus Peter Rubtzoff 1956-11-9 3062 San Francisco San Francisco. Presidio. Ground near Lobos Creek betw. 16th Ave. and Llincoln Boulevard Comment
  CAS-BOT-BC374685  Sonchus oleraceus Peter Rubtzoff 1952-5-14 1050 San Francisco San Francisco. Sand dunes at 37th Avenue betw. Ortega and Quintara streets Comment
  CAS-BOT-BC374686  Sonchus oleraceus Peter Rubtzoff 1957-4-27 3271 San Francisco San Francisco. Presidio. Ground near Lobos Creek, between 16th Ave. and Lincoln Blvd. Comment
  CAS-BOT-BC374687  Sonchus oleraceus Peter Rubtzoff 1957-7-14 3448 San Francisco San Francisco. San Miguel Hills. Bottom of canyon east of O'Shaughnessy Blvd. Comment
  CAS-BOT-BC374689  Sonchus oleraceus Peter Rubtzoff 1956-11-14 3083 San Francisco San Francisco. South of Stanley Drive, east of Lake Merced Comment
  CAS-BOT-BC374690  Sonchus oleraceus Peter Rubtzoff 1957-9-15 3554 San Francisco San Francisco. Flat behind the beach near Lands End Comment
  CAS-BOT-BC374692  Sonchus oleraceus Peter H. Raven 1954-4-12 6561 San Francisco Sigmund Stern Grove, San Francisco Comment
  CAS-BOT-BC374693  Sonchus oleraceus Lewis S. Rose 1957-3-23 57039 San Francisco 876 Francisco St., n. slope of Russian Hill Comment
  CAS-BOT-BC374694  Sonchus oleraceus Terrence J. Merkel 1950-5-21 45 San Francisco Between Lake Merced and the San Francisco Golf Club, San Francisco 30 Comment
  CAS-BOT-BC374696  Sonchus oleraceus Ira L. Wiggins 1979-8-26 22247 San Mateo Alley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park Comment
  CAS-BOT-BC374697  Sonchus oleraceus Ira L. Wiggins 1979-8-26 22247 San Mateo Alley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park Comment
  CAS-BOT-BC374698  Sonchus oleraceus Ira L. Wiggins 1973-7-29 22057 San Mateo Lower part of northerly bank of San Francisquito Creek, ca 75 m upstream from Pope Street bridge Comment
  CAS-BOT-BC374701  Sonchus oleraceus John H. Thomas 1963-5-20 10112 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC374702  Sonchus oleraceus W. R. Dudley 1895-2-23 s.n. San Mateo Santa Cruz Peninsula. San Francisquito Creek beyond Hopkins place Comment
  CAS-BOT-BC374703  Sonchus oleraceus Josephine D. Randall 1907-4-27 99 San Mateo Santa Cruz Peninsula. Kings Mt. Comment
  CAS-BOT-BC374704  Sonchus oleraceus Margaret A. Barry 1938-4-21 240 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC374705  Sonchus oleraceus Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  CAS-BOT-BC374707  Sonchus oleraceus Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Horseshoe Ridge Comment
  CAS-BOT-BC374708  Sonchus oleraceus Javier Penalosa 1963-3-30 2724 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  CAS-BOT-BC374709  Sonchus oleraceus Elizabeth McClintock 1963-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC374710  Sonchus oleraceus Walter Knight; Irja Knight 1964-4-25 691 San Mateo San Bruno Mountain. Upper part of ravine adjacent to Radio Rd. Comment
  CAS-BOT-BC374711  Sonchus oleraceus Herman Knoche 1919-8-15 Series A, No. 2263 Santa Barbara Santa Cruz Island Comment
  CAS-BOT-BC374712  Sonchus oleraceus Herman Knoche 1919-7-25 Series A, No. 1179 Santa Barbara San Miguel Island, Tuff Hills Schuyler's [Cuyler's ?] Harbor Comment
  CAS-BOT-BC374714  Sonchus oleraceus Henry M. Pollard 1957-5-13 s.n. Santa Barbara 222 W. Anapamu St., Santa Barbara Comment
  CAS-BOT-BC374716  Sonchus oleraceus Mrs. W. W. Rand 1930-7-11 44 Santa Barbara Near La Sentinel, Santa Cruz Island Comment
  CAS-BOT-BC374717  Sonchus oleraceus Ralph Hoffmann 1930-4-10 s.n. Santa Barbara San Miguel Island Comment
  CAS-BOT-BC374719  Sonchus oleraceus Ira L. Wiggins 1981-4-24 22273 Santa Clara Top of bank of San Francisquito Creek along Palo Alto Ave., between Seneca & Hale Streets, Palo Alto Comment
  CAS-BOT-BC374720  Sonchus oleraceus Ira L. Wiggins 1928-6-5 2954 Santa Clara At Museum, Stanford University Campus Comment
  CAS-BOT-BC374721  Sonchus oleraceus John H. Thomas 1961-6-28 9573 Santa Clara Stanford University Campus. Near Branner Hall Comment
  CAS-BOT-BC374722  Sonchus oleraceus John H. Thomas 1956-9-6 6436 A Santa Clara Palo Alto. Near Alma St. and Homer St. Comment
  CAS-BOT-BC374724  Sonchus oleraceus W. R. Dudley 1906-5-28 s.n. Santa Clara Santa Cruz Mountain Peninsula. Court back of Library, Stanford University Comment
  CAS-BOT-BC374725  Sonchus oleraceus W. R. Dudley 1895-4-19 s.n. Santa Clara Santa Cruz Mountain Peninsula. Near Wright's Comment
  CAS-BOT-BC374727  Sonchus oleraceus E. W. Rust 1906-11-2 50 Santa Clara Vicinity of Stanford University. Stanford Univ. Comment
  CAS-BOT-BC374728  Sonchus oleraceus S. D. Haley 1908-10-1 s.n. Santa Clara Near Cooley's Landing, Palo Alto Comment
  CAS-BOT-BC374729  Sonchus oleraceus Robert Martineau 1974-5-12 211 Santa Clara Foothills Park, City of Palo Alto. Foothills of the eastern side of the Santa Cruz Mountains. Five miles south of center of Palo Alto. Los Trancos Trail 548 Comment
  CAS-BOT-BC374731  Sonchus oleraceus J. H. Thomas 1950-5-28 1938 A Santa Cruz Between Big Basin Junction and Saratoga Summit Comment
  CAS-BOT-BC374733  Sonchus oleraceus J. H. Thomas 1950-5-28 1938 Santa Cruz Between Saratoga Summit and Big Basin Junction Comment
  CAS-BOT-BC374737  Sonchus oleraceus John W. Willoughby 1976-3-23 1247 Solano Vaca Mountains. Mix Canyon, on north-facing slope 152 Comment
  CAS-BOT-BC374741  Sonchus oleraceus Walter Knight 1965-3-1 s.n. Contra Costa Antioch dunes Comment
  CAS-BOT-BC374742  Sonchus oleraceus Walter Knight; Irja Knight 1963-10-3 357 Sonoma Crane Canyon Comment
  CAS-BOT-BC374743  Sonchus oleraceus Mary P. Wells 1985-9-9 614 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC374744  Sonchus oleraceus D. E. Breedlove 1983-5-9 58696 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC374745  Sonchus oleraceus Henry M. Pollard 1946-4-27 s.n. Ventura Ventura River Basin. Kennedy Canyon Comment
  CAS-BOT-BC374747  Sonchus oleraceus Henry M. Pollard 1964-4-29 s.n. Ventura Ventura River Basin. North slope of Red Mountain near Foster Park Comment
  CAS-BOT-BC374748  Sonchus oleraceus Peter H. Raven; Henry J. Thompson 1966-4-23 20705 Ventura San Nicolas Island. Seal Beach, north-west end of island Comment
  CAS-BOT-BC374749  Sonchus oleraceus John Thomas Howell 1932-3-13 8229 Ventura San Nicolas Island Comment
  CAS-BOT-BC374750  Sonchus oleraceus E. R. Blakley 1959-4-24 B- 2746 Ventura Between the boat dock and the village. East Anacapa Island 60 Comment
  CAS-BOT-BC374751  Sonchus oleraceus Nora Pettibone; Frank W. Hubby 1895-3-11 s.n. Ventura Ojai Valley and Vicinity. Whale Rock Comment
  CATA2796  Sonchus oleraceus Robert F. Thorne, C. W. Tilforth, Bob Given, et al. 1979-5-1 52744 Santa Barbara San Miguel Island: On dry, grassy lake bed near airstrip on west side of island 121 Comment
  CATA2797  Sonchus oleraceus Michael R. Benedict 1970-4-22 Ventura East Anacapa Island: North of Coast Guard Compound, east part of island 0 Comment
  CATA2798  Sonchus oleraceus Michael R. Benedict 1968-11-2 Santa Barbara Santa Cruz Island: Buena Vista 0 Comment
  CATA2799  Sonchus oleraceus Michael R. Benedict 1971-7-14 Santa Barbara San Miguel Island: 3/4 mile north of Tyler Bight, west end of island 0 Comment
  CATA2801  Sonchus oleraceus Robert F. Thorne, G. Wallace, M. Hoefs 1977-4-28 48956 Santa Barbara Santa Rosa Island: South side at old military base at Johnsons Lee 12 Comment
  CDA32940  Sonchus oleraceus D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  CDA32941  Sonchus oleraceus Doug Barbe & Phyllis Hiatt 1979-5-2 Colusa Williams; waste ground by Shell station. 0 Comment
  CDA7671  Sonchus oleraceus L. C. Wheeler 1967-5-15 9597 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. Comment
  HSC12548  Sonchus oleraceus C. Kline 1970-11-15 77 Humboldt 4.2 mi. N of Trinidad, olf Hwy. 101 Comment
  HSC40944  Sonchus oleraceus Linda M. Barker 1976-6-1 1546 Humboldt Lanphere-Christensen Dunes, 3 mi. W of Arcata. Comment
  HSC60123  Sonchus oleraceus M. A. Baker 1978-5-20 559 Humboldt Hoopa Indian Reservation Comment
  HSC6222  Sonchus oleraceus J. R. Bernard 1963-4-8 Monterey Laguna Seca, half way between Salinas and Monterey. Comment
  HSC6223  Sonchus oleraceus J. W. Johnson 1962-4-8 1216 Humboldt Arcata, Mad River Co. Park Comment
  HSC6224  Sonchus oleraceus J. W. Johnson 1961-8-17 1043 Humboldt Arcata, W.M. Lanphere Farm, Samoa Peninsula. Comment
  HSC67888  Sonchus oleraceus J. P. Smith 1973-5-26 6862 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC89465  Sonchus oleraceus P. A. Daly 1986-3-12 69 Humboldt Trinidad Head, along trail 61 Comment
  HSC91903  Sonchus oleraceus E. Mackey 1986-11-2 Humboldt Patrick's Point State Park; by road to Palmer's Point Comment
  IRVC27228  Sonchus oleraceus A. C. Sanders, Mark A. Elvin, et al. 2003-5-4 26537 San Diego Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail Peninsular Range 945 Comment
  IRVC27898  Sonchus oleraceus A. C. Sanders, Mark A. Elvin 2005-4-22 29650 San Diego Batiquitos Lagoon Ecological Reserve, N side of lagoon, E of I-5 fwy, along trail passt the nature center. Southern Coastal 0 Comment
  IRVC28028  Sonchus oleraceus Mark A. Elvin, Sarah Jayne, et al. 2003-5-3 2633 San Diego SE side of Otay Mountain, W Marron Valley, mouth of Mine Canyon, ca. 1.0km N of Mexican border, slopes above the Tijuana River Peninsular Ranges, San Ysidro Mountains 152 Comment
  IRVC29224  Sonchus oleraceus G. K. Helmkamp, E. A. Helmkamp 2004-10-8 8838 San Luis Obispo Biddle Regional Park, 7 mi NE of Arroyo Grande along Lopez Drive and Arroyo Grande Creek Central Coast 136 Comment
  IRVC922  Sonchus oleraceus M. Munier 1965-4-10 Orange Comment
  JEPS30659  Sonchus oleraceus Peter H. Raven and Henry J. Thompson 1959-9-18 14447 Los Angeles University of California, West Los Angeles Santa Monica Mountains, University of California, West Los A 129 Comment
  JEPS84554  Sonchus oleraceus John W. Willoughby 1976-5-18 1718 Solano near Mix Canyon Road (Mix Canyon, Vaca Mountains); Vaca Mountaina, Mix Canyon 243 Comment
  JROH1260  Sonchus oleraceus John H. Thomas 1964-11-29 10534 San Mateo Jasper Ridge Biological Preserve, Stanford University; W end of Searsville Dam Comment
  JROH1261  Sonchus oleraceus John H. Thomas 1970-7-5 15656 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1262  Sonchus oleraceus John H. Thomas 1974-4-6 17092 San Mateo Jasper Ridge Biological Preserve, Stanford University; west side of dam Comment
  JROH1263  Sonchus oleraceus John Hunter Thomas 1981-5-8 20554 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA105051  Sonchus oleraceus Barry A. Prigge; 1988-7-3 8217 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  LA105583  Sonchus oleraceus Barry A. Prigge; 1989-5-10 8708 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, above Dume Cove. 30 Comment
  LA105586  Sonchus oleraceus Barry A. Prigge; 1989-5-10 8712 Los Angeles SANTA MONICA MOUNTAINS, Point Dume, above Dume Cove. 30 Comment
  LA200269  Sonchus oleraceus Norman A. Cole; May 1964 350 Ventura Santa Monica Mountains, Point Mugu Beach 0 Comment
  LA201350  Sonchus oleraceus Arthur C. Gibson; 2001-4-20 4129 Ventura Comment
  LA209937  Sonchus oleraceus Norman A. Cole; May 1964 350 b Los Angeles Santa Monica Mountains, 9.7 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  LA209938  Sonchus oleraceus Monte Lloyd; 1950-7-31 500731 953 Los Angeles Campus of University of California at Los Angeles 121 Comment
  LA210378  Sonchus oleraceus John Lambrinos; 1996-1 96- 22 Santa Barbara Vandenberg Air Force Base 20.0 Comment
  LA212313  Sonchus oleraceus L. Haines; 1949-7-22 s.n. Los Angeles Canoga Park. Comment
  LA212314  Sonchus oleraceus Bill Bozarth; 1949-7-11 s.n. Los Angeles Conoga Park. Comment
  LA32074  Sonchus oleraceus Henry J. Thompson; Peter H. Raven 1959-6-4 14346 Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  LA32075  Sonchus oleraceus Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles Campus of University of California at Los Angeles 129 Comment
  LA32076  Sonchus oleraceus Peter H. Raven; 1959-5-9 14165 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  LA35622  Sonchus oleraceus Ronald A. Cross; May 1952 35622 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA39068  Sonchus oleraceus H. Lewis; 1940-8-14 Los Angeles Campus of University of California at Los Angeles Comment
  OBI11932  Sonchus oleraceus Lynne D. Althouse 1977-3-31 16 San Luis Obispo Wolfe's Horse ranch near San Luis High School 130 Comment
  OBI15388  Sonchus oleraceus R. R. La Belle 1967-10-10 40 San Luis Obispo Laguna Lake, San Luis Obispo Comment
  OBI19174  Sonchus oleraceus Dan Sheehy 1978-10-4 3 San Luis Obispo E facing slope near tennis courts at Tropicana Village, San Luis Obispo Comment
  OBI25698  Sonchus oleraceus Hannah Rothlin 1981-2-20 6 San Luis Obispo Along the W bands of Poly Cyn rd .5 mi past the entrance Comment
  OBI33591  Sonchus oleraceus Melissa Luckow, Jerry Rendon 1980-5-20 60 San Luis Obispo Poly Cyn, near the end of the rd on the N side Comment
  OBI35711  Sonchus oleraceus Rebecca Cicoria 1982-5-8 63 Los Angeles Palos Verdes Peninsula, Sepulveda Cyn, along Si's Trl, Rolling Hills Comment
  OBI35712  Sonchus oleraceus Rebecca Cicoria 1982-5-8 62 Los Angeles Palos Verdes Peninsula, Sepulveda Cyn, along Si's Trl, Rolling Hills Comment
  OBI35840  Sonchus oleraceus Allison Berry 1984-2-26 22 San Luis Obispo Camp San Luis Shooting Facility 6.5 mi N of San Luis Obispo on hwy 1. Near front entrance gate Comment
  OBI4349  Sonchus oleraceus Gregg A. Young 1972-5-6 37 Santa Barbara Pt Sal area Comment
  OBI49928  Sonchus oleraceus David J. Keil, Kathy Bay and Rich Ferguson 1984-4-28 18135 San Luis Obispo Amer Cyn are in La Panza Mts Comment
  OBI53851  Sonchus oleraceus Arthur W. Hazebrook 1993-5-23 213 San Luis Obispo Nipomo Dunes Complex, Riparian corridor along N base of Big Coreopsis Hill Comment
  OBI5453  Sonchus oleraceus Sharon Jochums 1974-4-3 66 San Luis Obispo W of hwy 1 S of Piedras Blancas Point on marine terr Comment
  OBI73494  Sonchus oleraceus David J. Keil, with Malcolm McLeod, Corky Matthews, Ron Branson, Lela and Bernard Burdette, Craig Cunningham, Clare Hardham 1995-6-27 25441 San Luis Obispo West Cuesta Ridge at east end of botanical area Comment
  OBI77825  Sonchus oleraceus Jennifer Stone 1986-3-9 5 San Luis Obispo Cuesta Ridge E in chaparral area burned over in the Las Pilitas Fire of June-July 1985. Voucher for fire successional thesis study, Soils Science Dept, Calif Poly State Univ. Site 1 Comment
  OBI80793  Sonchus oleraceus D. R. Miller 2015-6-12 615 .1129 San Luis Obispo Pine Mountain Region. This material is from Ridge Top property N of County/State communication towers. 924 Comment
  OBI8220  Sonchus oleraceus David J. Keil, Malcolm McLeod 1977-3-25 11964 Santa Barbara Just E of Pine cyn Ranger Station along Calif 166 152 Comment
  PGM5512  Sonchus oleraceus Beatrice F Howitt 1955-5-9 0032 Monterey Monterey Peninsula, Pacific Grove, Piedmont Avenue Del Monte Park Comment
  POM122397  Sonchus oleraceus Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  POM12323  Sonchus oleraceus F. L. Robinson 1921-5-9 58 Los Angeles Claremont. 365 Comment
  POM178031  Sonchus oleraceus Joseph A. Ewan 1931-5-11 4192 Los Angeles 1 mile noth Van Nuys Estate, West 6th St. Comment
  POM181473  Sonchus oleraceus H. F. Copeland 863 Butte Nelson. Comment
  POM19130  Sonchus oleraceus P. A. Munz 1923-4-9 6680 Los Angeles San Clemente Island. Canyon 3 miles southeast of Casa Blanca. Comment
  POM202168  Sonchus oleraceus L. M. Booth 1932-7-21 1297 Orange Near Sunset Beach, Anaheim Marsh. Comment
  POM292651  Sonchus oleraceus Lyman Benson 1932-4-11 3293 Kern Bakersfield. Kern River Watershed. 122 Comment
  POM292656  Sonchus oleraceus Cora W. Benson 1929-1-19 s.n. Santa Barbara Roadside at Santa Barbara 152 Comment
  POM361387  Sonchus oleraceus N. C. Cooper 1942-10-1 2018 Los Angeles Hancock Bld. campus. Univ. So. Calif. Growing in bed of Pfitzer Juniper. Comment
  POM6198  Sonchus oleraceus N. R. Shaw 1900-6-11 s.n. Los Angeles Claremont. 365 Comment
  POM6199  Sonchus oleraceus Arthur M. Cleghorn 1902-6-20 s.n. Los Angeles Claremont. Comment
  POM6212  Sonchus oleraceus Crawford, Otis Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mountains Comment
  RSA0021431  Sonchus oleraceus Anonymous 1951-3-20 s.n. Los Angeles Point Dume 27 Comment
  RSA0036266  Sonchus oleraceus M. B. Dunkle 1928-10-7 2013 Los Angeles Descanso Canyon. 243 Comment
  RSA0036836  Sonchus oleraceus B. Daniel Stickney 1981-5-23 36 Los Angeles In San Jose Hills N of Campus of Cal Poly, Pomona. Comment
  RSA0045285  Sonchus oleraceus Virginia Guthrie 1983-5-7 15 San Diego In University City on the southwest corner of Genesee Ave. and La Jolla Village Dr. Comment
  RSA0085522  Sonchus oleraceus Meryl B. Dunkle 1940-3-21 7450 Santa Barbara East slope, Santa Barbara Island. Comment
  RSA0088786  Sonchus oleraceus Steven A. Junak, Keri Kirkland, Aaron Hebshi 1998-4-22 6373 Santa Barbara San Miguel Island: SE side of Prince Island, upslope from nest boxes for auchlets. 30 Comment
  RSA0093419  Sonchus oleraceus Bonnie C. Templeton 1931-7-6 1610 Alameda Berkeley. Comment
  RSA100851  Sonchus oleraceus Roxana S. Ferris 1954-4-23 12729 Marin Near Dillons Beach Post Office. Comment
  RSA116801  Sonchus oleraceus W. R. Dudley 1906-5-28 s.n. Santa Clara Court back of library, Stanford University. The Santa Cruz Mtn Peninsula. Comment
  RSA12389  Sonchus oleraceus C. B. Wolf 1934-4-11 5601 Los Angeles Bryant Ranch, east of Long Beach, 250 ft. northeast of junction of Hathaway, Los Altos and 8th Streets. 15 Comment
  RSA12404  Sonchus oleraceus C. B. Wolf 1934-4-11 5617 Los Angeles Bryant Ranch, E of Long Beach, 180 ft. east of center of sec. and 150 ft. south of line of SE1/4; T4S R12W S27 SE/4 5 Comment
  RSA127810  Sonchus oleraceus P. H. Raven, Henry J. Thompson 1959-9-18 s.n. Los Angeles Weed about plantings, campus of the University of California, West Los Angeles. 130 Comment
  RSA128377  Sonchus oleraceus P. H. Raven 1950-6-3 2209 San Mateo along Millbrae Ave., Millbrae. 61 Comment
  RSA14284  Sonchus oleraceus Daniel Cleveland 1887-4-17 s.n. San Diego [Unspecified] Comment
  RSA151208  Sonchus oleraceus P. H. Raven 1962-4-9 17139 Los Angeles Near barracks, Wilson Cove, San Clemente Island 61 Comment
  RSA160432  Sonchus oleraceus J. D. Olmsted 1959-3-23 308 Los Angeles Blanchard park on Pomona college campus by area catching runoff from sprinkling system-common weed. Comment
  RSA210536  Sonchus oleraceus J. T. Howell, Gordon H. True 1967-5-31 42524 Tulare Near E line of vernal pool natural area in Valley Grassland, about 4.5 miles ENE of Pixley. 84 Comment
  RSA215968  Sonchus oleraceus J. T. Howell 1957-6-16 32668 San Francisco Third and Davidson streets. Comment
  RSA221546  Sonchus oleraceus Arthur C. Gibson 1971-4-19 1918 San Bernardino Stoddard Canyon, Angeles National Forest. 808 Comment
  RSA222979  Sonchus oleraceus Gerald L. Benny, Colin M. Wainwright 1971-5-24 492 San Bernardino Day Canyon, San Bernardino National Forest. 944 Comment
  RSA223963  Sonchus oleraceus Cherie L. Wetzel 1967-9-30 150 Alameda Along sandbag levee. Niles Canyon and vicinity Comment
  RSA226158  Sonchus oleraceus Gary D. Cromwell, David W. Wheat 1971-5-14 653 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mts. 2 mi. NE of Glendora. 549 Comment
  RSA232791  Sonchus oleraceus R. F. Thorne 1966-4-17 36117 Los Angeles San Clemente Island: near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  RSA233546  Sonchus oleraceus R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42114 San Bernardino San Gabriel Mountains. 827 Comment
  RSA245275  Sonchus oleraceus Brad W. Klipfel 1973-8-17 281 Humboldt Big Lagoon Co. Park. Comment
  RSA302294  Sonchus oleraceus R. F. Thorne, C. W. Tilforth 1979-4-4 52348 Santa Barbara San Nicolas Island; grassy plateau immediately south of airport terminal and hangers, east end of island 168 Comment
  RSA306678  Sonchus oleraceus R. F. Thorne, C. W. Tilforth, Bob Given 1979-4-30 52702 Santa Barbara San Miguel Island, found on uplands of the island 152 Comment
  RSA35643  Sonchus oleraceus Clara Mason Fox s.n. Mono Silverado Canyon. [Mono Co. or Orange Co.] Comment
  RSA430519  Sonchus oleraceus Lyman Benson 1929-7-12 1796 Humboldt Weott Ranger Station. S Fork Eel River. Comment
  RSA474072  Sonchus oleraceus M. B. Dunkle 1939-4-6 7289 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA474082  Sonchus oleraceus F. R. Fosberg 1930-6-26 S- 3002 Los Angeles Culver Garden. 15 Comment
  RSA474083  Sonchus oleraceus F. R. Fosberg 1930-7-7 S- 3152 Los Angeles Alamitos Bay 5 Comment
  RSA474091  Sonchus oleraceus Malcolm M. Rice 1924-4-17 s.n. Santa Barbara In front of State College. Waste lands in valleys. Comment
  RSA474092  Sonchus oleraceus Malcolm M. Rice 1924-4-17 s.n. Santa Barbara Strip in front of State College. Comment
  RSA474103  Sonchus oleraceus F. R. Fosberg 1930-6-26 S- 3001 Los Angeles Culver Garden. 15 Comment
  RSA474104  Sonchus oleraceus M. B. Dunkle 1933-4-14 3296 Los Angeles Long Beach. Comment
  RSA474105  Sonchus oleraceus B. Gustafson 1981-3-18 2121 Los Angeles Ballona Wetlands, Area 3 Common weed throughout all 3 areas. Comment
  RSA474106  Sonchus oleraceus F. R. Fosberg 1930-6-23 S- 2965 Los Angeles Del Rey. 1 Comment
  RSA474112  Sonchus oleraceus M. B. Dunkle 1939-4-6 s.n. Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA474116  Sonchus oleraceus R. Reynolds 1927-10-13 48 San Joaquin Stockton Comment
  RSA474119  Sonchus oleraceus M. B. Dunkle 1940-3-21 s.n. Santa Barbara Signal Hill, Santa Barbara Island Comment
  RSA474120  Sonchus oleraceus M. B. Dunkle 1939-5-29 8131 Santa Barbara Santa Barbara Island. West side of cliff summit Comment
  RSA474122  Sonchus oleraceus Christopher Davidson 1965-4-6 15 Santa Clara 26120 W Fremont, Los Altos Hills. 61 Comment
  RSA474123  Sonchus oleraceus Glenn A. Gorelick 1966-5-1 s.n. Yolo 418.5 2nd St, Davis. Comment
  RSA474125  Sonchus oleraceus M. B. Dunkle 1939-8-2 8421 Ventura Road Canyon, Cuyler Harbor, San Miguel Island Comment
Read comments
Aug 28 2012
  RSA474130  Sonchus oleraceus Ora M. Clark 1928-12-23 1397 Ventura South of Ventura Comment
  RSA474131  Sonchus oleraceus Josephine Meyers 1932-09 s.n. Ventura Broomis [Broome] Ranch, Coast Highway. Comment
Read comments
Apr 18 2016
  RSA4782  Sonchus oleraceus James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  RSA4783  Sonchus oleraceus James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  RSA482509  Sonchus oleraceus Richard Noyes, Laurel Arnseth 1988-4-30 494 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA517698  Sonchus oleraceus Alan Romspert 1973-3-10 94 Inyo Panamint Mtns. Death Valley National Park. Chris Wicht Camp, Suprise Canyon, in dry arroyos Creosote Bush Scrub. South rocky slope. 762 Comment
  RSA526159  Sonchus oleraceus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4153 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA527709  Sonchus oleraceus Timothy S. Ross, Annette Ross 1991-3-7 4156 Los Angeles Elephant Hill, Western Pomona,. 256 Comment
  RSA529290  Sonchus oleraceus Timothy S. Ross 1991-4-8 4463 Los Angeles Elephant Hill: Western Pomona. 229 Comment
  RSA533901  Sonchus oleraceus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5151 Los Angeles San Clemente Island, at the beginning of Larkspur Canyon drainage. 1600 ft. SE of the 924'BM at the E end of old airfield landing strip. 250 Comment
  RSA534008  Sonchus oleraceus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5110 Los Angeles San Clemente Island. 700 ft. ENE of North Tank and 2300 ft. due W of Jack (not Jack Point). 239 Comment
  RSA534020  Sonchus oleraceus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5308 Los Angeles San Clemente Island: Westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']). Beginning of drainage. 389 Comment
  RSA550398  Sonchus oleraceus Timothy S. Ross, Peter W. Fritsch 1990-6-20 3610 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA587426  Sonchus oleraceus D. L. Banks, S. D. Boyd 1995-6-2 0570 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  RSA592295  Sonchus oleraceus L. C. Wheeler 1967-5-13 9544 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA596367  Sonchus oleraceus R. G. Swinney 1989-8-24 s.n Los Angeles Big Dalton Canyon, Glendora Wilderness Park, 1.5 mi. NE of Glendora Mtn Rd. 457 Comment
  RSA600451  Sonchus oleraceus L. C. Wheeler 1968-3-6 s.n. San Bernardino San Gabriel Mountains: Meyer Canyon off Lytle Creek. 701 Comment
  RSA601024  Sonchus oleraceus L. C. Wheeler 1967-5-13 9504 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA606030  Sonchus oleraceus L. C. Wheeler 1968-11-3 s.n. Kern Kernville: Kern River. Comment
  RSA608063  Sonchus oleraceus L. C. Wheeler 1931-3-7 s.n. Los Angeles La Verne. Comment
  RSA610666  Sonchus oleraceus M. R. Benedict 1968-3-21 s.n. Santa Barbara Santa Cruz Island. Near southern end of Christi Beach. Comment
  RSA610672  Sonchus oleraceus R. N. Philbrick 1966-1-3 B 66 -04 Santa Barbara San Miguel Island. Willow Canyon, 61 Comment
  RSA610704  Sonchus oleraceus R. N. Philbrick, Smith, D. M. Smith, Al Flinck 1965-02 s.n. Santa Barbara Santa Cruz Island. Canada del Puerto 38 Comment
  RSA621071  Sonchus oleraceus Mary DeDecker 1977-6-16 4309 Inyo Panamint Mountains, west side.: Surprise Canyon narrows. 975 Comment
  RSA629300  Sonchus oleraceus L. C. Wheeler 1967-7-13 9985 San Bernardino East San Gabriel Mountains: Lytle Creek, Miller Narrows. Comment
  RSA630376  Sonchus oleraceus L. C. Wheeler 1967-5-15 9597 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  RSA637642  Sonchus oleraceus R. F. Thorne, Gerald L. Benny, John Dourley 1971-7-23 41011 San Bernardino San Bernardino National Forest: Day Creek Canyon. 915 Comment
  RSA6387  Sonchus oleraceus Patterson, Wiltz 1907-6-6 s.n. Monterey Near Pacific Grove. Comment
  RSA639187  Sonchus oleraceus L. C. Wheeler 1967-7-6 9933 Los Angeles San Gabriel Mountains: San Dimas Canyon. 441 Comment
  RSA644401  Sonchus oleraceus E. R. Blakley 1962-3-31 4907 Ventura Anacapa Island: Flat area near top and center of Middle Island. 91 Comment
  RSA644402  Sonchus oleraceus E. R. Blakley 1961-5-18 4386 Ventura Anacapa Island. Large canyon north side of highest peak on West Island. 91 Comment
  RSA647892  Sonchus oleraceus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 30 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 243 Comment
  RSA649384  Sonchus oleraceus Dick Mosbarger 1948-2-22 s.n. Ventura In garden, Mosbarger Ranch, 1 m. W. Fillmore. 121 Comment
  RSA651183  Sonchus oleraceus F. Zuazo 1953-2-9 s.n. Los Angeles Cal Poly, Voorhis Unit, San Dimas, behind the Administration building, near the Post Office. 243 Comment
  RSA651184  Sonchus oleraceus Peter Tolstoy 1948-2-1 s.n. San Bernardino Alta Loma, w. side Hellman Avenue on McLennan Ranch. Comment
  RSA651186  Sonchus oleraceus Don Black 1948-4-20 s.n. Ventura Found in Montalvo, 100 yards SE of Ventrua [Ventura] Pacific Fruit Growers Association Packing House. 23 Comment
  RSA651187  Sonchus oleraceus Jim Kishi 1948-2-11 s.n. Los Angeles Foot of mountains west of Dalton Canyon. [ Little or Big Dalton Canyon ?, N of Glendora] Weed growing at edge of orchard under shade of tree in sandy moist soil. Comment
  RSA651291  Sonchus oleraceus Dan Milojevich 1981-5-3 32 Los Angeles 1/4 mile W. of Rosemead Blvd. at Whittier Narrows Recreation Park. Comment
  RSA652834  Sonchus oleraceus Julie Greene 1991-5-10 232 San Bernardino Town of Sleepy Hollow, southern most end of Grandview Drive. Along dirt trail south to top of ridge between Carbon and Soquel Canyons. 396 Comment
  RSA658354  Sonchus oleraceus Naomi Zohman 1985-4-28 36 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA658626  Sonchus oleraceus John L. Stevens 1969-5-5 39 Orange On CSF campus, in flower bed. 158 Comment
  RSA658716  Sonchus oleraceus Margaret Murphy 1983-5-15 0026 -C Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA659746  Sonchus oleraceus Orlando Mistretta, E. Kellogg, Laurel Arnseth, Peter L. Morrell 1992-4-3 66 Los Angeles San Clemente Island. Comment
  RSA660568  Sonchus oleraceus Lydia Paneri 1982-4-17 1 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA661092  Sonchus oleraceus Orlando Mistretta 1992-4-5 204 Los Angeles Guds, San Clemente Island. Comment
  RSA677925  Sonchus oleraceus Sarah J. De Groot 2002-1-7 230 San Diego Hidden Meadows 92026 [near Vista?] Comment
  RSA677999  Sonchus oleraceus Sarah J. De Groot 2002-5-19 696 San Diego 10678 Cerveza Dr., Hidden Meadows 92026. Comment
  RSA680136  Sonchus oleraceus Sarah J. De Groot 2003-2-16 1007 San Diego Hidden Meadows: Cerveza Dr. Comment
  RSA688866  Sonchus oleraceus Fred M. Roberts 2003-5-1 5669 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente) 84 Comment
  RSA696190  Sonchus oleraceus Keith E. Hoffmaster 1928-3-9 s.n. Orange Santa Ana Comment
  RSA697068  Sonchus oleraceus Kenneth Beard 1934-02 s.n. Orange Walnut grove on Freeman Street, Santa Ana. Comment
  RSA709713  Sonchus oleraceus Scott Boczkiewicz, Mark Elvin 2005-2-5 1001 San Diego Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 183 Comment
  RSA721115  Sonchus oleraceus Anonymous s.n. Orange Santa Ana Comment
  RSA721116  Sonchus oleraceus Anonymous s.n. Orange Neglected city lot Comment
  RSA721117  Sonchus oleraceus Anonymous s.n. Orange High School Campus. Comment
  RSA756774  Sonchus oleraceus Michael Honer, Lincoln Hulse 2005-3-14 2072 San Bernardino Whipple Mountains; steep hills appx. 1 air mi. NE of Bandit Pass. 366 Comment
  RSA760658  Sonchus oleraceus William J. Ferlatte, L. Maynard Moe 1970-4-27 1222 Contra Costa San Francisco Bay, Red Rock Island. Comment
  RSA948  Sonchus oleraceus J. T. Howell 1928-2-7 825 Orange Near the ranch houses, Rancho Santa Ana 152 Comment
  RSA95048  Sonchus oleraceus F. W. Peirson 1920-4-22 s.n. Los Angeles At 1085 New York Drive, Altadena. Comment
  SBBG109843  Sonchus oleraceus C. B. Hardham 1957-11-2 2702 San Luis Obispo Old Crk, Cayucos Comment
  SBBG131994  Sonchus oleraceus S. A. Junak, R. Philbrick 1990-11-8 SCI 122 Los Angeles along N side of field station building Comment
  SBBG132217  Sonchus oleraceus A. Sawdo, E. Edinger 1988-5-19 Santa Barbara near ranch house, plot 114 Comment
  SD17600  Sonchus oleraceus D. E. Scarbery 1937-5-27 San Diego East of Ramona Comment
  SD38305  Sonchus oleraceus Edith A. Purer 1932-3-24 Los Angeles El Segundo sand dunes. Comment
Read comments
Jul 10 2010
  SD38308  Sonchus oleraceus Edith A. Purer 1932-7-18 San Mateo Half Moon Bay; Comment
  SD80108  Sonchus oleraceus C. W. Tilforth 1969-11-22 Los Angeles Rancho Santa Ana Botanical Garden. Claremont. Comment
  SDSU13820  Sonchus oleraceus W. Miller Riverside Comment
  SDSU541  Sonchus oleraceus R. M. Beauchamp 1967-3-18 271 Los Angeles San Clemente Island. Comment
  SEINET10475006  Sonchus oleraceus Mary Susan Taylor 1975-6-11 Taylor 732 Monterey Corner of Contra Costa Street and Palm Street, Seaside; with Lavatera assurgen tiflora, Malva, Brassica, Pteridium. 6 Comment
  SEINET10615377  Sonchus oleraceus David B. Dunn 1947-7-20 Dunn 2986 Los Angeles Collected at 316 North Avenue 50, Los Angeles, CA. Comment
  SEINET10615380  Sonchus oleraceus David B. Dunn, A. Folsom 1948-6-17 Dunn 3795 Riverside At quad 1. At camp in Pushawalla canyon under palms. Indio Hills, Colorado Desert. Comment
  SEINET10617738  Sonchus oleraceus David B. Dunn 1946-1 Dunn 2005 Los Angeles Weed in the yard at 316 N Ave. 50, Los Angeles. Comment
  SEINET10925142  Sonchus oleraceus David B. Dunn 1941-4-12 Dunn 1142 San Diego Desert floor. 10-15 miles east of Benson's filling station near Borrego, by a hole near the road with water in it. Near Anza-Borrego Desert State Park. Comment
  SEINET11800377  Sonchus oleraceus Unknown 1932-1 9027 Santa Clara Stanford Campus Comment
  SEINET11807870  Sonchus oleraceus Unknown 1982-1 853 Tehama Nature Conservancy Vina Plains Preserve Comment
  SEINET4016315  Sonchus oleraceus M. B. Dunkle 1940-1 7450 Santa Barbara Santa Barbara Island. Comment
  SEINET4016317  Sonchus oleraceus M. B. Dunkle 1939-1 8306 Ventura Coral Harbor, San Nicolas Island. Comment
  SEINET4016318  Sonchus oleraceus M. B. Dunkle 1939-1 8421 Santa Barbara Road Canyon, Cuyler Harbor, San Miguel Island. Comment
  SEINET4016319  Sonchus oleraceus M. B. Dunkle 1939-1 8589 Santa Barbara Prisoner's Harbor, Santa Cruz Island. Comment
  SFV11229  Sonchus oleraceus D. K. Shayne 1966-3-9 104 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  SFV16833  Sonchus oleraceus K. Tajbakhsh 1996-4-13 25 Los Angeles California Channel Islands Catalina Island. Fisherman's Bay. Outside of USC Marine Research Station gates. Comment
  SFV18419  Sonchus oleraceus C. Ferguson 1974-5-13 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area. Botany trail. Comment
  SFV4117  Sonchus oleraceus P. M. Kennamer 1959-5-30 s. n. Los Angeles San Fernando Valley Northridge. 17627 Nordhoff St. 274 Comment
  SFV4119  Sonchus oleraceus M. Wisotsky 1958-5-25 s. n. Los Angeles San Fernando Valley Pacoima. To the rear of 12904 Osborne Avenue, directly behind house. Comment
  UC1969542  Sonchus oleraceus Eric Luning 2003-5-11 26 Kern Kern Canyon, Sequoia National Forest, Lower Richbar Picnic Ground. Comment
  UC1969543  Sonchus oleraceus Eric Luning 2003-5-11 26 Kern Kern Canyon, Sequoia National Forest, Lower Richbar Picnic Ground. Comment
  UC2028518  Sonchus oleraceus Barbara Ertter 1996-11-24 15428 Contra Costa West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon. Comment
  UC284186  Sonchus oleraceus P. A. Munz 1923-4-9 6680 Los Angeles 2 mi s Casa Blanca (San Clemente Island); San Clemente Island Comment
  UC36520  Sonchus oleraceus J. H. Barber 1897-7 301 Los Angeles Santa Monica Experimental Station , Southern California Comment
  UC36526  Sonchus oleraceus T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  UCD134042  Sonchus oleraceus Frederica Bowcutt 1984-6-23 435 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  UCD134044  Sonchus oleraceus Frederica Bowcutt 1987-5-28 1032 Mendocino Sinkyone Wilderness State Park; along the North Fork of Jackass Creek; just north of old town of Wheeler. SE of Bear Harbor 2 air miles. 15 Comment
  UCD134046  Sonchus oleraceus Frederica Bowcutt 1987-5-28 1037 Mendocino Sinkyone Wilderness State Park; along the North Fork of Jackass Creek; just north of old town of Wheeler. SE of Bear Harbor 2 air miles. 15 Comment
  UCD134047  Sonchus oleraceus Frederica Bowcutt 1993-6-25 1655 Sacramento Delta Meadows River Park. About 25 air miles S of Sacramento, 10 air miles W of Galt, and 1 air mile NE of Walnut Grove. Immed. E of Locke, in Sacramento River Delta, N of the Delta Cross Channel. Along perimeter of island owned by Asian City Corp. E and N of side slough off of Snodgrass Slough. 1 Comment
  UCD134049  Sonchus oleraceus G. F. Hrusa; S. A. Wagner 1992-4-22 9273 San Joaquin Caswell Memorial State Park. Comment
  UCD136151  Sonchus oleraceus L. Angst Date Unknown 9 Unknown County unknown: exact location unknown. Comment
  UCD136152  Sonchus oleraceus Perry S. Allen 1969-5-14 322 Stanislaus at house on Grange Company ranch #10, 2.5 miles west of La Grange. Comment
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  UCD136159  Sonchus oleraceus Donald R. Bissing 1973-6-2 148 Los Angeles Evey Canyon, San Gabriel Mountains. 1.4 miles from canyon mouth. 1024 Comment
  UCD136160  Sonchus oleraceus Gary D. Cromwell; David W. Wheat 1971-5-14 653 Los Angeles west-facing slope above middle part of canyon. Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 miles northeast of Glendora. 548 Comment
  UCD136162  Sonchus oleraceus Jack Delaini; Larry DeBuhr 1974-2-21 35 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 487 Comment
  UCD136164  Sonchus oleraceus H. R. Drever 1945-6-1 s.n. Yolo Davis. Comment
  UCD136165  Sonchus oleraceus K. Esau 1937-5-28 s.n. Yolo Davis. Comment
  UCD136177  Sonchus oleraceus K. Esau 1937-5-28 s.n. Yolo Davis. Comment
  UCD136179  Sonchus oleraceus K. Esau 1937-5-28 s.n. Yolo Davis. Comment
  UCD136181  Sonchus oleraceus Morris Halperin 1929-5-1 s.n. Alameda streets of Berkeley. Comment
  UCD136182  Sonchus oleraceus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-2 103 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  UCD136184  Sonchus oleraceus Mary M. Hektner 1974-7-25 167 Sonoma Galleon's Reach, Unit 3 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD136185  Sonchus oleraceus James Henrickson 1963-4-30 1232 Los Angeles Evey Canyon, northeast of Claremont, along road to Mt. Baldy. 792 Comment
  UCD136187  Sonchus oleraceus E. M. Johnston 1915-1 140 J Butte Biggs. Comment
  UCD136190  Sonchus oleraceus P. B. Kennedy 1914-3 s.n. Yolo Berkeley Hills. Comment
  UCD136191  Sonchus oleraceus June McCaskill 1973-4-9 770 Yolo behind Robbins Hall, University of California campus, Davis. Comment
  UCD136193  Sonchus oleraceus Gerry North 1993-4 5 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. Across road from Goodspeed trailhead pullout. 228 Comment
  UCD136194  Sonchus oleraceus Bob Rodin 1943-4-16 116 Alameda UC Berkeley. Strawberry Canyon. Southern slope. West of the Botanical Garden. Comment
  UCD136197  Sonchus oleraceus James P. Smith; Advanced Plant Taxonomy Class 1973 1973-5-26 6862 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UCD136201  Sonchus oleraceus Robert F. Thorne 1966-9-14 36667 Los Angeles Santa Catalina Island, Little Harbor. 4 Comment
  UCD136207  Sonchus oleraceus Alice Warrick 1979-5-19 29 Yolo Davis. 870 Linden lane. Growing as a weed in cultivated garden. 13 Comment
  UCD136208  Sonchus oleraceus Kenneth A. Wilson 1961-2-21 875 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  UCD136209  Sonchus oleraceus Ira L. Wiggins 1965-11-6 20334 Orange west side of Atwood. Comment
  UCD136210  Sonchus oleraceus Ira L. Wiggins 1966-3-5 20514 Orange 1/2 mile W of El Toro P.O. along Highway S-18. Comment
  UCD136211  Sonchus oleraceus Barbara Yungert 1974-5-6 118 Yuba south of station headquarters, Sierra Foothill Field Station. Comment
  UCD136212  Sonchus oleraceus W. R. Dudley 1906-5-28 s.n. Santa Clara Stanford University. Court back of library. Comment
  UCD35513  Sonchus oleraceus Beecher Crampton 1957-7-16 4354 Yolo University of California, Davis Campus. In field north of Hunt Hall. Comment
  UCD82877  Sonchus oleraceus Richard Smith 2009-7-20 s. n. Monterey S of the town of Salinas at the end of Somavia Rd. near the Salinas River. Comment
  UCSB17194  Sonchus oleraceus Hurst, Linda 1963-4-28 Santa Barbara Vacant lot south of Campbell Hall, University of California, Santa Barbara 13 Comment
  UCSB17217  Sonchus oleraceus Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  UCSB17218  Sonchus oleraceus Brooks, Terry 1963-4-8 Marin 1 mile north of Golden Gate Bridge on Fort Baker 30 Comment
  UCSB18413  Sonchus oleraceus Hutchinson, Sandra 1964-3-24 San Mateo Crystal Springs Lake, Sawyer Camp Road, about 2.7 miles off Skyline Blvd., entrance off Millbrae Ave. 106 Comment
  UCSB22554  Sonchus oleraceus Strong, Carol 1967-11-26 Santa Barbara Near slough, on west side of south end of Sandspit Road, Goleta Comment
  UCSB26179  Sonchus oleraceus V. A. Sager 1961-7-21 195 Unknown collected 1.0 mi E, and 20.0 mi WSW, along State Highway 13A Twin Harbors State Park entrance, and Aberdeen - Twin Harbors State Park, Aberdeen, and Satate Highway 13A 7 Comment
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Jan 22 2015
  UCSB33237  Sonchus oleraceus Partsch, M. 1977-5-14 Los Angeles Along Boquet Canyon Road 14 mi. south of its junction with Elizabeth Lake Road 762 Comment
  UCSB36765  Sonchus oleraceus Thomson, Jean 1981-5-31 Santa Barbara Coastal mesa ca. 33 km. west of Isla Vista and 1 km. south of Ellwood Station, Goleta 18 Comment
  UCSB38539  Sonchus oleraceus Baley, David; Lampl, Diane 1981-9-5 Santa Barbara Southeast area of Cachuma Lake, where dirt road forks, 1/4 mile West of the end of the paved old highway and 1/4 mile North of Highway 154 228 Comment
  UCSB40446  Sonchus oleraceus Gray, Violet 1980-1-19 Santa Barbara In yard at 7363 Freeman Pl., Goleta 9 Comment
  UCSB43199  Sonchus oleraceus Fletcher, Martin 1981-5-19 Santa Barbara 100 yds. N. of Rancho Real on the West rim of Agua Caliente 36 Comment
  UCSB43205  Sonchus oleraceus Fletcher, Martin 1979-12-7 Santa Barbara 0.1 mile north of Rancho Real up Canada de Sacate 30 Comment
  UCSB44122  Sonchus oleraceus Ferguson, Dave 1980-3-14 Santa Barbara On east bank of Maria Ygnacio Creek, 0.3 miles south of its junction with Cathedral Oaks Road, Goleta 15 Comment
  UCSB48138  Sonchus oleraceus Hobbs, E. 1978-5-20 Santa Barbara Eastern pine forest; Santa Cruz Island Comment
  UCSB49105  Sonchus oleraceus Aste, Kathleen 1979-2-25 Santa Barbara On east side of Camino Corto Rd., between Sueno Rd. and Pasado Rd., Isla Vista Comment
  UCSB55367  Sonchus oleraceus Fletcher, Martin 1981-4-9 Santa Barbara 2.9 miles north of the coast on the east rim of Alegria Canyon 262 Comment
  UCSB55368  Sonchus oleraceus Fletcher, Martin 1981-5-7 Santa Barbara 2.2 miles north of the coast on the east branch of Alegria Canyon 70 Comment
  UCSB55373  Sonchus oleraceus Fletcher, Martin 1981-5-7 Santa Barbara 2.2 miles north of the coast on the east branch of Alegria Canyon 70 Comment
  UCSB56040  Sonchus oleraceus Pitts, S. 1984-4-7 Santa Barbara On private road off Camino Cielo, 0.4 mi. from Calif. 154 turnoff, Santa Ynez Mts. 457 Comment
  UCSB56612  Sonchus oleraceus Moles, R. 1988-5-15 Santa Barbara Corner of Hollister Ave. and Los Carneros Rd., Goleta 15 Comment
  UCSB59385  Sonchus oleraceus Fletcher, Martin 1980-5-31 Santa Barbara In a slide area along Arroyo Bulito 0.4 miles north of the waterfalls 121 Comment
  UCSB65226  Sonchus oleraceus Magney, David; Wellonen, Cher 2001-4-4 Santa Barbara Outer South Coast Ranges; Orcutt Quad., T9N, R35W, Punta De La Laguna, San Bernardino BM; between Solomon and Black Roads (~280-ac site); N of SR1, S of Santa Maria Airport, W of Orcutt, Plot #11 ~5,205 feet NW of Solomon Rd. bridge 49 Comment
  UCSC007783  Sonchus oleraceus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UCSC009653  Sonchus oleraceus D. Styer 2012-5-14 120 Monterey South Boundary Road; Fort Ord Region E12 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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