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  1. 1

    Frankia infective capacity is enhanced in a Betula nigra plantation soil by Paschke, Mark W.

    [Urbana, Ill.] : Agricultural Experiment Station, University of Illinois at Urbana-Champaign, 1990
    Format: Book


  2. 2

    River birch (Betula nigra L.) communities of southeastern Ohio by Cribben, Larry D.

    Columbus, Ohio : Ohio State University, 1974
    Format: Book