Asplenium montanum Willdenow. Phen: May-Oct. Hab: Moist to dry outcrops of metamorphic, sedimentary, or igneous rocks, such as gneiss, schist, amphibolite, quartzite, rhyolite, sandstone, mostly at moderate to high elevations (up to over 2000 m), but in the Piedmont to as low as 150 m. Dist: Primarily Appalachian: s. VT, MA, NY, OH, and KY south to c. NC, n. GA and AL; disjunct in the Ozarkian highlands of e. MO (Peck 2011)
Origin/Endemic status: Native
Other Comments: A. montanum is one of the diploid progenitors of the reticulately evolved Appalachian Asplenium complex; its chromosome complement is symbolized MM. It is one parent of A. bradleyi, A. pinnatifidum, and A. ×trudellii (and of other sterile hybrids).
Synonymy: = C, F, FNA2, G, K1, K3, K4, Mo1, NE, NY, Pa, RAB, S13, Sf, Tn, Va, W, WV