Delaware Wildflowers • Scientific names
Cirsium vulgare
Bull ThistleAsteraceae — Aster family
Non-native
![Cirsium vulgare](/images/cirsium_vulgare.jpg)
Bellevue State Park
August 2001
![Cirsium vulgare](/images/100905_142805.jpg)
White Clay Creek State Park -- Creek Road
September 2010
Guide to Cirsium of Delaware
Search Google • Delaware • USDA
Photos copyright David G. Smith
Information from the Delaware Flora Checklist used with author's permission.