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 Homepage

Portrait of the Genus

Taxonomy

Species List

Diversity Map

Interactive Keys

Phylogeny

Cytology (PDF)

Barrington Web Page
(with publications)

Morphological Characters

Morphological Analysis

Lab Protocols

Current Working World Phylogeny for Polystichum (128 species, four sequences)

This is the most recently published Polystichum phylogeny (Driscoll & Barrington 2007). To view the working phylogeny currently used in the Barrington lab, click here: Current Working Phylogeny

Please be in touch with me with your questions about and insights into the holly ferns -