Cirsium

Contains 11 accepted taxa overall.

Family:	Asteraceae
Common Name:	THISTLE
Specimen:	Search the Butler University Friesner Herbarium Digital Collection for specimens within this genus

Distribution Map: Based on vouchered plant specimens only. View county names by placing the mouse cursor over a particular county.

Species

Scientific Name	Common Name
Cirsium altissimum	Tall thistle
Cirsium arvense	Field thistle; Canadian thistle
Cirsium carolinianum	Carolina thistle
Cirsium discolor	Pasture thistle; Field thistle
Cirsium hillii	Hill's thistle
Cirsium muticum	Fen thistle; Swamp thistle
Cirsium pitcheri	Dune thistle
Cirsium pumilum	Pasture thistle
Cirsium pumilum var. hillii	Hill's thistle
Cirsium undulatum	Wavy-leaved thistle
Cirsium vulgare	Bull thistle