Thin Hairy Rough-leaf Goldenrod

Solidago rugosa var. rugosa
Asteraceae — Aster family
Native

Bucktoe Creek Preserve (PA)
September 2006

Sharp-toothed leaves

White Clay Creek State Park -- Possum Hill
September 2020

A barely toothed leaf

Lower surface of the same leaf

Paper Mill Park
October 2020

var. rugosa, left, and var. aspera

Middle Run Valley Natural Area
November 2022

Per the Delaware flora checklist, var. rugosa has "thin hairy leaves".

Guide to Solidago of Delaware

Photos copyright David G. Smith

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