Dryopteris fragrans
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- Ferns of Queen's University Biological Station
- Ferns of the National Forests in Alaska
- Vermont Botanical and Bird Newsletter
- Dryopteridaceae Wood Fern Family
- Annual Review of Pteridological Research - 2004
- PTERIDOLOGIST 2011 Contents: Volume 5 Part 4, 2011 a Modern Glazed Case A
- Final Report for 2012 Edna Bailey Sussman Internship Grant
- Relationships and Evolutionary Origins of Polyploid Dryopteris (Dryopteridaceae) from Europe Inferred Using Nuclear Pgic and Plastid Trnl-F Sequence Data
- Analysis of Spore Abortion in Ferns
- A NEW ANNOTATED LIST of MANITOBA FERNS (SPRING, 2016) Richard J