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Atlas of Tennessee Vascular Plants
http://tenn.bio.utk.edu/vascular/database/vascular-database.asp?CategoryID=Pteridophytes&FamilyI
Distribution map for Dennstaedtia punctilobula.
Dennstaedtia punctiloba
http://www.msue.msu.edu/msue/imp/modzz/00000502.html
Information sheet for hay-scented fern from Extension at Michigan State University.
Dennstaedtia punctilobula
http://www.ct-botanical-society.org/ferns/dennstaedtiapunc.html
Hayscented fern, images and brief description.
Dennstaedtia punctilobula
http://pluto.njcc.com/~ret/Roosevelt/hayroot.jpg
Image showing rhizome and roots (segment).
Dennstaedtia punctilobula
http://pluto.njcc.com/~ret/Roosevelt/haysori.jpg
Image of pinnae with sori.
Dennstaedtia punctilobula
http://pluto.njcc.com/~ret/Roosevelt/haypinn.jpg
Image of pinnae.
Dennstaedtia punctilobula
http://pluto.njcc.com/~ret/Roosevelt/hayfron.jpg
Image of upper part of frond.
Dennstaedtia punctilobula
http://pluto.njcc.com/~ret/Roosevelt/haypinl.jpg
Image showing pinnulae.
Dennstaedtia punctilobula
http://pss.uvm.edu/pss123/ferdenst.html
Image, description, and culture information.