Philippine aquatic flowering plants and ferns by Mendoza, Demetrio R.

The Fern guide Northeastern and Midland United States and adjacent Canada. by Wherry, Edgar T.

How to know the ferns a guide to the names, haunts, and habits of our common ferns by Parsons, Frances Theodora 1861-1952

A student's guide to the ferns of Singapore island by Johnson, Anne

Fern flora of the Philippines by Copeland, Edwin Bingham 1873-

Fern flora of the Philippines by Copeland, Edwin Bingham 1873-

Fern flora of the Philippines by Copeland, Edwin Bingham 1873-

A field guide to the ferns and their related families of North-Eastern and Central North America with a section on species also found in the British Isles and Western Europe by Cobb, Boughton

Filipino Artistic Expression by Zobel de Ayala, Fernando

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Pteridophytes of the Society Islands. by Copeland, Edwin Bingham 1873-