All Formats & Editions

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original... Read Full Overview

This is a reproduction of a book published before 1923. This book may have occasional imperfections
such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact,
or were introduced by the scanning process. We believe... Read Full Overview

This book is a comprehensive study of the Ophioglossaceae family of ferns, including their morphology, taxonomy, and ecology. Campbell provides detailed descriptions of the various species within the family, as well as comparisons with related families. This is an essential... Read Full Overview

This book is a comprehensive study of the Ophioglossaceae family of ferns, including their morphology, taxonomy, and ecology. Campbell provides detailed descriptions of the various species within the family, as well as comparisons with related families. This is an essential... Read Full Overview