Solidago rugosa P. Mill. var. rugosa
Thin Hairy Rough-leaf Goldenrod
Native

Bucktoe Creek Preserve (PA)
September 2006

White Clay Creek State Park -- Possum Hill
September 2020

White Clay Creek State Park -- Possum Hill
September 2020

White Clay Creek State Park -- Possum Hill
September 2020

White Clay Creek State Park -- Possum Hill
September 2020
Sharp-toothed leaves

Paper Mill Park
October 2020
A barely toothed leaf

Paper Mill Park
October 2020
Lower surface of the same leaf

Paper Mill Park
October 2020

Middle Run Valley Natural Area
November 2022
var. rugosa, left, and var. aspera

Middle Run Valley Natural Area
November 2022
Per the Delaware flora checklist, var. rugosa has "thin hairy leaves".