Rough Cocklebur Xanthium strumarium LinnaeusNon-native  -  Invasive    Synonyms: Xanthium americanum, Xanthium canadense, Xanthium chinense, Xanthium cylindraceum, Xanthium echinatum, Xanthium echinellum, Xanthium pensylvanicum, Xanthium speciosum, Xanthium strumarium var. canadense, Xanthium strumarium var. glabratum.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Asterales   >   Family Asteraceae   >   Genus Xanthium   
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Rough Cocklebur in Dorchester Co., Maryland (9/18/2016). Photo by Wayne Longbottom. (MBP list)

Rough Cocklebur in Talbot Co., Maryland (9/21/2017). Photo by Wayne Longbottom. (MBP list)

Rough Cocklebur (winter aspect) in Anne Arundel Co., Maryland (1/1/2017). Photo by Bill Hubick. (MBP list)

Rough Cocklebur stem (winter) in Anne Arundel Co., Maryland (2/8/2017). Photo by Bill Hubick. (MBP list)

Rough Cocklebur in Garrett Co., Maryland (12/28/2020). (c) Bill Blauvelt, some rights reserved (CC BY-NC). Photo by Bill Blauvelt via iNaturalist. (MBP list)

Rough Cocklebur in Caroline Co., Maryland (10/16/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Rough Cocklebur (winter aspect) in Anne Arundel Co., Maryland (12/30/2017). Photo by Bill Hubick. (MBP list)

Rough Cocklebur in Anne Arundel Co., Maryland (9/13/2017). Photo by Tyler Bell. (MBP list)

Rough Cocklebur in Caroline Co., Maryland (10/25/2019). (c) bababebo, some rights reserved (CC BY-NC). Photo by bababebo via iNaturalist. (MBP list)

Rough Cocklebur in Baltimore Co., Maryland (10/19/2020). (c) Dwight Johnson, all rights reserved. Photo by Dwight Johnson. (MBP list)

Rough Cocklebur in Baltimore Co., Maryland (10/11/2020). (c) Peter M Martin, some rights reserved (CC BY-NC). Photo by Peter M Martin via iNaturalist. (MBP list)

Rough Cocklebur in Montgomery Co., Maryland (10/4/2020). (c) josephmcourtney, some rights reserved (CC BY-NC). Photo by josephmcourtney via iNaturalist. (MBP list)

Rough Cocklebur in Anne Arundel Co., Maryland (1/7/2018). Photo by Bill Hubick. (MBP list)


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