@book{243861,
	author = {Copeland, Edwin Bingham},
	title = {Genera filicum : the genera of ferns},
	publisher = {The Chronica Botanica Company},
	year = {1947},
	address = {Waltham Mass.},
	note = {Ediciones 1947 y 1985 (facsimilar, editado por Bishen Singh Mahendra Pal Singh, Dehra Dun- India).  Contiene 10 láminas.}
}