Álvarez-Vázquez C. Filicopsida from the lower Westphalian (Middle Pennsylvanian) of Nova Scotia and New Brunswick, Maritime Provinces, Canada. atlgeo [Internet]. 2019 Feb. 25 [cited 2024 Apr. 23];55:001-55. Available from: https://journals.lib.unb.ca/index.php/ag/article/view/26281