<i>Polypodium incanum</i> (= <i><a href="//commons.wikimedia.org/wiki/Category:Pleopeltis_polypodioides" title="Category:Pleopeltis polypodioides">Pleopeltis polypodioides</a></i>)
Alois Lunzer (1840-?)
1879
The native flowers and ferns of the United States in their botanical, horticultural, and popular aspects by Thomas Meehan