Leptonema J. Sm. in Trans. Geol. Soc. Glasgow 10(2): 321. 1896 Leptonema J. Sm. in Trans. Geol. Soc. Glasgow 10(2): 321. 1896non Leptonema Hook., Icon. Pl. 7: ad t. 692. 1844This name is not assigned to any taxon.
