Phegopteris
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- A Classification for Extant Ferns
- The Family Thelypteridaceae in Europe
- Botrychium Oneidense)
- Checklist and Distribution of Arkansas Pteridophytes James H
- Phegopteris, Pseudophegopteris, Are Normally All Unicellular, but in Some
- Lincoln Ferns
- Proceedings of the Indiana Academy of Science
- Updating Taiwanese Pteridophyte Checklist: a New Phylogenetic Classification
- The Families and Genera of Vascular Plants of the Conterminous United States
- Families and Genera in India) C
- MBG Press Catalog 2010
- Statement of Need and Reasonableness: August 10, 2012
- Identifying Species and Natural Communities in Pennsylvania
- BROAD BEECH FERN (Phegopteris Hexagonoptera) in Ontario
- Triangle Grape-Fern
- Exploring Generic Delimitation Within the Fern Family Thelypteridaceae
- Pteridologist
- Thelypteridaceae (PDF)