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Acker Schachtelhalm
Riverbanks
meadow near river
Near a marsh under some conifers.
Acker Heller Kraut
Acker Kratz-Distel
Common in the Netherlands.
Spotted at Indiana Dunes state park.
Around 30-40 cm long
http://en.wikipedia.org/wiki/Cirsium_arvense
purple flowers, thorny leaves
Purple flowered thistle reaching approximately three feet.
Sandy barren soil
english name: horsetail
5
invasive
Thorny shrub.
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