Delaware Wildflowers • Months

Yellow Thistle
Cirsium horridulum var. horridulum
Asteraceae — Aster family
Yellow Thistle
Yellow Thistle
The yellow color is more common.
Thompsons Bridge Road
June 2008

Guide to Cirsium of Delaware

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Photos copyright David G. Smith

Information from the Delaware Flora Checklist used with author's permission.

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