Aspidium filix-mas var. erosum (Schkuhr) Pursh
This is a synonym of
Dryopteris filix-mas subsp. filix-mas
Aspidium filix-mas var. erosum (Schkuhr) Pursh appears in other Kew resources:
First published in Fl. Amer. Sept. 2: 663 (1813)
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
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