Leaf arrangement steers vascular pattern evolution in ferns, research finds

Research by Assistant Professor Jacob S. Suissa at the University of Tennessee, Knoxville, is revealing complexity in how ...
insider.si.edu

A field guide to the ferns, and their related families of Northeastern and Central North America with a section on species also found in the British Isles and Western Europe ...

Morphology of a fern -- How to use the keys in this field guide -- Keys for quick visual identification -- Life cycle of a fern -- The place of ferns and their allies in the plant kingdom -- ...