Diplazium pycnocarpon

A large fern of moist ravines, previously placed in the genus Athyrium.

Plant habit at Lilly-Dickey Woods in Brown County, 7/18/04.

Sori in Morgan-Monroe State Forest, 8/7/04.

Abaxial view of pinnae, showing sori, in Morgan-Monroe State Forest, 8/7/04.

An emerging leaf near Griffy Lake, 5/12/04.

A leaf in Lilly-Dickey Woods, 7/18/04.