Diplaziopsis pycnocarpa (Sprengel) M.G. Price. Glade Fern. Phen: Jul-Sep. Hab: Very nutrient-rich, loamy or seepy forests, over calcareous sedimentary (such as limestone or dolostone) or mafic metamorphic or igneous rocks (such as greenstone or amphibolite). Dist: QC, ON, and MN south to GA and LA (much more common in sedimentary rock areas of the Appalachians than in the primarily acid-soil Blue Ridge and Piedmont).
Origin/Endemic status: Native
Syn: = Price (1990b); = Asplenium pycnocarpon Spreng. – S13; = Athyrium pycnocarpon Spreng. – C, F, G, GrPl, RAB, WV; = Diplazium pycnocarpon (Spreng.) M.Broun – Ar, FNA2, Il, K1, Mo1, NE, Pa, Tn; = Homalosorus pycnocarpos (Spreng.) Pichi-Sermolli – K3, K4, NY, Sf, Va, W, Christenhusz, Zhang, & Schneider (2011)