Polypodium Cultivars and Species: 2nd Edition

British Pteridological Society. Special Publication No. 16. 2nd edition

A comprehensive study of the genus Polypodium. Martin gives well-written descriptions of each species and cultivar worldwide, illustrated with excellent photographs. All known species, hybrids and cultivars of Polypodium worldwide are included and the true identities of many are discussed in detail.
A great addition to a burgeoning fern literature home library. The second edition is the same size as the first but with some minor updates, as outlined in the preface