Asplenium rhizophyllum

A fern of exposed limestone, apparently declining in abundance for reasons unclear. The leaves have long, attenuate tips that will give rise to new plantlets if they touch the ground in fortuitous conditions.

Plant habit at Leavenworth Barrens, 7/26/04.

Plant habit at Leavenworth Barrens, 7/26/04. Note the plantlet from a proliferous leaf.

Sori at Cedar Bluff, 9/13/03.

Cold plants at Green's Bluff, 2/8/04.

Plant habit near the quarry at McCormick's Creek State Park, 23 Dec 2009.