Cirsium arvense (L.) Scop.Non-Native
[Invasive]
SynonymsCarduus arvensis (L.) Robson
Cirsium arvense (L.) Scop. var. horridum Wimmer & Grab.
Common name(s)field thistle; Canada thistle
FamilyAsteraceae
Conservation statusNot threatened
>>Learn more about this species at vPlants.org (external link)

Found at the following sites :
Taltree Arboretum
Calumet Prairie
Marquette Park
Greiner
Fesko
Hegewisch Marsh
Hidden Prairie
Stockwell Woods
Indian Ridge Marsh
Ambler Expansion
Cressmoor Prairie
Little Calumet River Prairie & Wetlands
Bur Oak Woods
Arcelor Mittal Burns Harbor
Marquette Pannes
Bock-Higgins
Beaver Dam
Gibson Woods Nature Preserve
Samuelson Fen
UofC FieldStation-MI
Roxana Marsh
Pine Station

Present Absent Previous, not current
Plants - See list of all plant species found at NIRMI sites
Fungi - See list of all fungi species found at NIRMI sites

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