Asplenium platyneuron

This is one of the most common ferns in Indiana, but in the southwest it is limited to a few scattered populations in northern New Mexico and Arizona. My pictures are from Indiana.

Plant habit on the shore of Griffy Lake, north of Bloomington, IN, 7/16/03.

Abaxial view of pinnae with sori on the shore of Griffy Lake, 7/16/03.