Johnson, A. G., Pauley, S.S. and Cromell, W.H., (1965), "Dwarf Seedlings from Witches’ Brooms in Jack Pine I.", Minnesota Forestry Notes 158, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Paper Series No. 5618 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 I..
St. Paul, Minn. : School of Forestry, University of Minnesota.
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