Polypodium costulatum Baker in J. Bot. n.s. 9: 215. 1880 Polypodium costulatum Baker in J. Bot. n.s. 9: 215. 1880Type: Beccari s.n.Type: Beccari s.n. (FI)Taxon for this namePolypodium costulatum Baker in J. Bot. n.s. 9: 215. 1880