Delaware Wildflowers • Scientific names
Nabalus altissimus
(Prenanthes altissima)
Tall Rattlesnake-rootAsteraceae — Aster family
Native
![Nabalus altissimus](/images/prenanthes_altissima.jpg)
Middle Run Valley Natural Area
September 2001
![Nabalus altissimus](/images/prenanthes_altissima_4.jpg)
![Nabalus altissimus](/images/prenanthes_altissima_2.jpg)
A plant with unlobed leaves.
Rolling Mill RoadSeptember 2009
![Nabalus altissimus](/images/prenanthes_altissima_3.jpg)
A plant with deeply lobed leaves.
White Clay Creek State Park -- Thompson Station RoadSeptember 2014
Search Google • Delaware • USDA
Photos copyright David G. Smith
Information from the Delaware Flora Checklist used with author's permission.