Cystopteris tennesseensis. Sparse on limestone boulders in bottom of sinkhole; most indusia appear to be glabrous; Dry Crrk Sink, a 200-ft. deep limestone depression on the Cumberland Plateau, ca. 1 mi. due N of Grundy Co. line, 1.3 mi. S of the confluence of Spring Creek and Dry Creek; 35degrees32'45"n, 85degrees37'20"W, elev of rim 1820 ft., bottom 1620 ft., Curtistown Quad (Edition of 1960)
Cystopteris tennesseensis. Sparse on limestone boulders in bottom of sinkhole; most indusia appear to be glabrous; Dry Crrk Sink, a 200-ft. deep limestone depression on the Cumberland Plateau, ca. 1 mi. due N of Grundy Co. line, 1.3 mi. S of the confluence of Spring Creek and Dry Creek; 35degrees32'45"n, 85degrees37'20"W, elev of rim 1820 ft., bottom 1620 ft., Curtistown Quad (Edition of 1960)