Delaware Wildflowers
Nabalus altissimus
(L.) Hook.
Tall Rattlesnake-root
(
Prenanthes altissima
)
Asteraceae
— Aster family
Native
Middle Run Valley Natural Area
September 2001
Rolling Mill Road
September 2009
Rolling Mill Road
September 2009
A plant with unlobed leaves.
White Clay Creek State Park -- Thompson Station Road
September 2014
A plant with deeply lobed leaves.