"List of West Virginia liverworts."; "Ammons, Nelle P. (Nelle Perrel), 1889-"; "Liverworts--West Virginia."; "Ammons, Nelle P. (Nelle Perrel), 1889-"; "1938"; "

Journal article reprint from: The Bryologist, v.41 (1938:June).

"; ""; "P12349"; "pec"; "Liverworts--West Virginia."; "14256"; .