1. Cyrtomium dubium (H.Karst.) R.M.Tryon & A.F.Tryon

    1. This is a synonym of Polystichum dubium Diels

Cyrtomium dubium (H.Karst.) R.M.Tryon & A.F.Tryon appears in other Kew resources:

First published in Rhodora 83: 114 (1981)

Sources

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0