Spiny Sow-thistle Sonchus asper (Linnaeus) HillNon-native    
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Asterales   >   Family Asteraceae   >   Genus Sonchus   
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Mapped Records: 176     Unmapped Records: 3
Total Records: 179
Mapped Record Types: Specimens Publications Observations

Records

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Specimens

Source Record Count Details
Brent Steury 1
County Quad Link Date
Calvert Cove Point View species 7/19/1996
Not available 2
County Quad Link Date
Talbot Easton View species 12/3/2011
Worcester View species 5/16/2013
Patuxent Research Refuge Plant Inventory Project 1
County Quad Link Date
Prince George's Laurel View species 6/13/1942
Smithsonian NMNH 5
County Quad Link Date
Montgomery Falls Church View species 7/21/2004
Montgomery Falls Church View species 10/1/1972
Montgomery Washington West View species 5/27/1915
Prince George's Washington East View species 6/12/1955
Prince George's Washington East View species 6/12/1955

Publications

Source Record Count Details
Brent Steury 2
County Quad Record ID Date
Calvert Cove Point 593546 7/19/1996
Calvert Cove Point 65443 0/0/0
Not available 1
County Quad Record ID Date
Montgomery Falls Church 19082 0/0/0
Steven Hill 1
County Quad Record ID Date
Worcester 25743 0/0/0

Reports

Source Record Count Details
Ashley Bradford 1
County Quad Record ID Date
Anne Arundel Bowie 759443 5/25/2020
Bill Harms 4
County Quad Record ID Date
Anne Arundel Laurel 943031 5/16/2012
Garrett Table Rock 913568 9/17/2017
Howard Relay 381215 5/10/2010
Prince George's Laurel 451931 5/4/2017
Bill Hubick 18
County Quad Record ID Date
Anne Arundel Bowie 199871 6/22/2014
Anne Arundel Curtis Bay 262839 11/11/2015
Anne Arundel Relay 442479 4/24/2017
Anne Arundel Sparrows Point 389478 1/1/2017
Anne Arundel Sparrows Point 1343484 1/1/2017
Anne Arundel Sparrows Point 347036 5/16/2016
Anne Arundel Sparrows Point 264958 12/12/2015
Anne Arundel Sparrows Point 65691 6/8/2013
Anne Arundel Sparrows Point 25325 1/5/2013
Calvert Solomons Island 617961 1/1/2019
Somerset Marion 26929 1/20/2013
Worcester Berlin 565902 11/10/2017
Worcester Berlin 565908 11/10/2017
Worcester Berlin 1356029 11/10/2017
Worcester Berlin 1352958 11/10/2017
Worcester Berlin 1352957 11/10/2017
Worcester Ocean City 104409 11/10/2013
Worcester Ocean City 22009 1/1/2013
Bob Ringler 14
County Quad Record ID Date
Baltimore Gunpowder Neck 484532 6/15/2017
Baltimore Swan Point 376737 10/3/2016
Carroll 67483 11/3/1991
Carroll 67482 5/28/1990
Carroll Lineboro 484998 6/27/2017
Carroll Manchester 486985 7/14/2017
Carroll New Windsor 489698 8/3/2017
Carroll Taneytown 483722 6/17/2017
Carroll Union Bridge 460150 6/8/2017
Carroll Westminster 483759 6/17/2017
Carroll Winfield 381276 6/15/1997
Carroll Woodsboro 459771 6/2/2017
Frederick Libertytown 487619 7/19/2017
Queen Anne's Queenstown 833085 5/28/2021
botanygirl via iNaturalist 1
County Quad Record ID Date
Anne Arundel Annapolis 1120523 4/21/2012
Brent Steury 1
County Quad Record ID Date
Prince George's 792277 12/0/2003
Dan Small 1
County Quad Record ID Date
Queen Anne's Church Hill 620 0/0/0
Deborah Barber via iNaturalist 1
County Quad Record ID Date
Calvert Broomes Island 1240618 4/27/2024
Emily Summerbell, Ph.D. via iNaturalist 1
County Quad Record ID Date
Montgomery Kensington 900204 11/9/2021
Frode Jacobsen 1
County Quad Record ID Date
Washington Clear Spring 1121882 10/9/2022
Jane Hill 1
County Quad Record ID Date
Montgomery Rockville 659575 5/10/2020
Jim Brighton 12
County Quad Record ID Date
Anne Arundel Bowie 201411 6/22/2014
Anne Arundel Sparrows Point 25139 1/5/2013
Calvert Solomons Island 618755 1/1/2019
Cecil Bay View 388961 6/26/2016
Cecil Elkton 387611 6/26/2016
Cecil Rising Sun 388991 6/26/2016
Dorchester Rhodesdale 1342893 11/24/2024
Kent Millington 825569 5/9/2021
Somerset Kingston 18906 10/20/2012
Somerset Marion 26756 1/20/2013
Talbot Wye Mills 779256 6/23/2016
Worcester Ocean City 21906 1/1/2013
Jim Stasz 3
County Quad Record ID Date
Allegany Cresaptown 993580 8/1/2022
Calvert North Beach 1087918 5/16/2021
Talbot Tilghman 1046671 9/2/2022
Joanne Solem 1
County Quad Record ID Date
Howard Sandy Spring 105321 5/21/2013
jochdnp via iNaturalist 1
County Quad Record ID Date
Charles La Plata 830259 5/19/2021
John Hall 6
County Quad Record ID Date
Anne Arundel Odenton 1243664 Date Obscured
Calvert Solomons Island 883744 9/26/2021
Garrett Grantsville 1279039 Date Obscured
Somerset Deal Island 823970 5/2/2021
St. Mary's Point Lookout 785132 1/16/2021
St. Mary's Saint George Island 1298739 Date Obscured
kaliahm via iNaturalist 1
County Quad Record ID Date
Wicomico Hebron 1334328 11/1/2024
Ken Clark via iNaturalist 2
County Quad Record ID Date
Prince George's Anacostia 1342305 5/5/2024
Prince George's Bowie 1342320 5/28/2024
Kimberly Booth 1
County Quad Record ID Date
Washington Clear Spring 200284 6/19/2014
lynnparsons via iNaturalist 1
County Quad Record ID Date
Dorchester Nanticoke 856468 6/3/2017
Mark Eanes 1
County Quad Record ID Date
Allegany Cumberland 627047 6/17/2018
Matthew Beziat 4
County Quad Record ID Date
Anne Arundel Gibson Island 1042381 12/21/2020
Anne Arundel Relay 776081 12/3/2020
Dorchester Blackwater River 1271461 11/11/2023
Howard Savage 1026341 8/29/2021
sbrogers725 via iNaturalist 1
County Quad Record ID Date
Worcester Ocean City 917434 12/29/2021
Solem Database 15
County Quad Record ID Date
Howard 431892 6/14/1992
Howard 431881 7/23/1988
Howard 431887 6/14/1980
Howard 431888 6/3/1980
Howard Beltsville 431880 6/11/1989
Howard Clarksville 431890 8/24/1984
Howard Ellicott City 431883 7/30/1988
Howard Ellicott City 431884 7/25/1987
Howard Laurel 431886 7/21/2014
Howard Relay 431882 7/20/1980
Howard Savage 431885 7/9/1988
Howard Savage 431878 5/29/1988
Howard Savage 431889 0/0/1988
Howard Savage 431879 6/6/1981
Howard Woodbine 431891 6/1/1988
Stephen John Davies via iNaturalist 1
County Quad Record ID Date
Montgomery Kensington 1139880 5/29/2020
Sue Muller 2
County Quad Record ID Date
Carroll Sykesville 1200748 5/25/2023
Howard Savage 1212460 5/15/2019
Tom Feild 4
County Quad Record ID Date
Carroll Finksburg 1152642 7/31/2023
Carroll Taneytown 1265692 6/10/2024
Dorchester Rhodesdale 1344411 11/24/2024
Frederick New Windsor 1152637 7/28/2023
Wayne Longbottom 66
County Quad Record ID Date
Anne Arundel Bowie 759275 5/25/2020
Anne Arundel Curtis Bay 226122 6/18/2013
Anne Arundel Curtis Bay 226123 11/17/2012
Anne Arundel Deale 601432 7/2/2018
Anne Arundel Gibson Island 452328 5/8/2017
Baltimore City Baltimore West 226129 7/18/1989
Calvert Lower Marlboro 911984 12/19/2021
Calvert North Beach 600284 6/25/2018
Caroline Denton 878097 9/13/2021
Caroline Federalsburg 718657 10/13/2020
Caroline Fowling Creek 1116713 5/26/2023
Caroline Hobbs 962418 5/27/2022
Caroline Preston 1109378 5/11/2023
Caroline Preston 891354 10/19/2021
Caroline Preston 891268 10/19/2021
Caroline Preston 717903 10/11/2020
Caroline Preston 706446 9/29/2020
Caroline Preston 569819 9/23/2017
Caroline Preston 544368 8/28/2017
Caroline Preston 452248 5/7/2017
Caroline Preston 226121 10/20/2013
Caroline Preston 226126 11/9/2010
Carroll Finksburg 1147889 7/31/2023
Carroll Lineboro 638151 7/4/2019
Carroll Westminster 637985 7/4/2019
Dorchester Blackwater River 591602 5/15/2018
Dorchester Cambridge 755202 4/14/2020
Dorchester Hudson 893588 10/24/2021
Dorchester Nanticoke 903700 11/20/2021
Frederick Myersville 636870 6/25/2019
Howard Savage 226124 12/17/2011
Kent Betterton 1242916 5/6/2024
Kent Betterton 380978 10/30/2016
Montgomery Beltsville 645014 9/16/2019
Queen Anne's Centreville 460659 6/1/2017
Queen Anne's Church Hill 635232 6/17/2019
Queen Anne's Kent Island 1172054 9/28/2023
Queen Anne's Kent Island 908721 12/7/2021
Queen Anne's Kent Island 634544 6/10/2019
Queen Anne's Kenton 1252307 5/20/2024
Queen Anne's Love Point 845041 6/25/2021
Queen Anne's Queenstown 952568 5/3/2022
Queen Anne's Queenstown 226127 12/3/2010
Queen Anne's Wye Mills 727091 10/22/2020
Somerset Dividing Creek 596371 6/4/2018
Somerset Princess Anne 595458 6/4/2018
Talbot Claiborne 955445 5/10/2022
Talbot Claiborne 603173 7/2/2018
Talbot Easton 226125 12/3/2011
Talbot Fowling Creek 670804 6/25/2020
Talbot Saint Michaels 955466 5/10/2022
Talbot Saint Michaels 284321 1/1/2016
Talbot Saint Michaels 273481 1/1/2016
Talbot Saint Michaels 226130 12/11/2004
Talbot Trappe 839970 6/14/2021
Wicomico Delmar 613717 8/28/2018
Wicomico Pittsville 1235142 4/22/2024
Wicomico Sharptown 226128 5/20/2007
Worcester Assawoman Bay 1242902 5/8/2024
Worcester Assawoman Bay 776931 12/13/2020
Worcester Ninepin Branch 890116 10/16/2021
Worcester Ocean City 1187037 11/15/2023
Worcester Ocean City 964213 6/1/2022
Worcester Ocean City 895940 10/30/2021
Worcester Pocomoke City 1119973 6/3/2023
Worcester Selbyville 226120 5/16/2013