Ferns and Fern Allies of Mount Holyokeby Karen Searcy
Taxonomy
Polypodiaceae
Polypodium virginianum (Common Polypody)
Leaf length6 - 16 inches
Leaf clusteringnot clustered
Leaf persistenceevergreen
Shape of spore-producing arearound/kidney shape
Location of spore-producing areaunderside of leaf
Leaf typecompound
Divisions of leaf bladeone
Habitatcliffs and talus slopes
DescriptionA small evergreen fern from a creeping rhizome with once compound leaves. The sori on the underside of the leaf are large and round and lack a covering. The leaflets (pinnae) are widest toward the middle. Another species P. appalachianum likely occurs in the Mount Holyoke Range. The leaflets (pinnae) of the leaf blade in this species are widest at the base.
Habit photoKBS
Detail photo 1KBS
Detail photo 2KBS