"Bryophytes of the Appalachian shale barrens."; "Ammons, Nelle P. (Nelle Perrel), 1889-"; "Bryophytes--Appalachian Region."; "Ammons, Nelle P. (Nelle Perrel), 1889-"; "1943"; "

Journal article reprint from: Castanea: the Journal of the Southern Appalachian Botanical Club, v.8 (1943).

"; ""; "P12355"; "pec"; "Bryophytes--Appalachian Region."; "14256"; .