Polypodium appalachianum x virginianum
type
Hybrid polypody
fern
hybrid
size(ft)
cut
decid.
garden
ID tips
When spores ripen in late fall, using microscope, see spores that are shriveled, of varying shapes and sizes, whitish not amber
Morphologically indistinguishable from either parent (overlaps both)
where On rocks
ME
NH
Comment
Sterile (apogamous?) hybrid of Rock and Appalachian Polypodys