Johnson, A.G., Pauley, S.S. and Cromell, W.H., (1965), "Dwarf Seedlings from Witches’ Brooms in Jack Pine II.", Minnesota Forestry Notes 163, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Paper Series No. 5758 of the Minnesota Agricultural Experiment Station.
Establishment and maintenance support for this study was provided in part by the Charles K. Blandin
Foundation, Grand Rapids, Minn.
Johnson, Albert G.; Pauley, Scott S.; Cromell, William H..
Dwarf Seedlings from Witches’ Brooms in Jack Pine II..
St. Paul, Minn. : School of Forestry, University of Minnesota.
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