Dryopteris marginalis is a frequent native in the eastern half of
It is very well expressed at Turkey Run and Shades State Parks in west-central
The sori (clusters of tiny sporangia, where spores are produced) occur along the margins of the pinnules (smallest blade divisions), hence the specific epithet marginalis.
Ferns are lovely. Ferns are beautiful. Emma Bickham Pitcher
Nature made ferns for pure leaves, to show what she could do in that line. Henry David Thoreau