Bower, F. O. The Ferns (Filicales) : treated comparatively with a view to their natural classification / F. O. Bower. - reprint ed. - New York : Hafner, 1963. - vols. : ill. ; 25 cm. Includes index. V.2-The Eusporangiatae and other relatively primitive ferns ; 344 344 Subjects--Topical Terms: Pteridophyta (Vascular seedless plants). Subjects--Geographic Terms: Bangladesh --Commercial policy. Dewey Class. No.: 587.31 / B676f