(1)
Riba, R. ReseƱa Del Libro: Ferns and Allied Plants With Special Reference to Tropical America. Rolla M. Tryon Y Alice F. Tryon (eds.). Harvard University. Habit Photography Principally by W8lter H. Hodge. Springer-Verlag, New York Lnc. 1982. Bot. Sci. 1983, 103 - 104.