The Ferns (Filicales) : treated comparatively with a view to their natural classification /
Bower, F. O.(Frederick Orpen),1855-1948.
Cambridge : Cambridge University Press,
2010.
Facsimile reprints. Originally published: Cambridge : Cambridge University Press, 1923-1928.
1. Analytical comparatively with a view to their Natural classification -- 2. The eusporangiatae and other relatively primitive ferns -- 3. The leptosporangiate ferns.