Scott L. Collins, John L. Vankat, Janice V. Perino, Potential Tree Species Dynamics in the Arbor Vitae Association of Cedar Bog, a West-Central Ohio Fen, Bulletin of the Torrey Botanical Club, Vol. 106, No. 4 (Oct. - Dec., 1979), pp. 290-298
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Collins et al. (1979) studied this question.