by W. A. Sledge
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The Polypodiaceae and Grammitidaceae of ...
Richard Spruce, a multi-talented botanis...
A supplement to the Yorkshire floras
The Dryopteroid ferns of Ceylon
The genus Elaphoglossum in the Indian pe...
The Thelypteridaceae of Ceylon
Die Asplenien der Insel Kreta
Evolutionary genetics of the Appalachian...
Miscellaneous papers
Observaciones sobre el Asplenium grevill...
Notes on the validity of Asplenium ebeno...
A peculiar Asplenium from the Hawaiian I...