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Photograph of Armillaria Mellea Root Rot of White Pine
Summary
Original caption: Armillaria mellea root rot of white pine. A closeup of discased roots showing myelial wefts and resin encrustations on roots.
Historic Photographs
Tags
Date
01/09/1934
Location
Chequamegon-Nicolet National Forest (Wis.)
Source
The U.S. National Archives
Copyright info
No known copyright restrictions
