WISCONSIN BOTANICAL INFORMATION SYSTEM
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Wisflora - Vascular Plant Species

University of  Wisconsin - Madison 

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Family: Asteraceae

Taxon: Carduus acanthoides L.

Common: plumeless thistle spiny plumeless thistle

Introduced - naturalized; ecologically invasive
erect biennial forb
blooms Jul.-Oct.; plant 1'-4'

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Photographer: Emmet J. Judziewicz

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Clifford Orsted



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Hugh H. Iltis



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Kenneth J. Sytsma


 

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