THE POLYSTICHUM HOMEPAGE

Welcome to the  website for the hollyferns, members of the fern genus Polystichum and allies.  This website is maintained for the use of hollyfern enthusiasts and scholars throughout the world by Dave Barrington at the University of Vermont in the United States. 

Polystichum Home

A Portrait of the genus Polystichum

Geography and Diversity of Polystichum (The Map)

Current World Phylogeny

Current Barrington Research: Geographic and Ecological Factors in Diversification of Polystichum in Montane Tropical America

Nomenclature of Genera and Sections relevant to Polystichum

Cytological Data for Polystichum (pdf)