PUCPR Search for 'an:181799'

Ferns and allied plants with special reference to tropical America

By Tryon, Rolla Milton.
New York Springer-Verlag 1982 .
xii, 857 p. 28 cm..
038790672X (U.S.)

By Tryon, Rolla Milton.
Minneapolis University of Minnesota Press 1954 .
xx, 166 p. 22 cm..

By Tryon, Rolla Milton.
Madison University of Wisconsin Press 1953 .
v, 158 p. 26 cm..

By Tryon, Rolla Milton.
Boston | London Ginn and Company 1927 .
xviii, 654, xxxviii p., [22] leaves of plates 21 cm..