Reference:Brittain1965b
Verbatim text: Brittain, W. H. and W. F. Grant. 1965b. Observations on Canadian birch (Betula) collections at the Morgan Arboretum. II. B. papyrifera var. cordifolia. Canad. Field-Naturalist 79: 253--257.
Author: Brittain, W.H., Grant, W.F.
Year: 1965b
Title: Observations on Canadian birch (Betula) collections at the Morgan Arboretum. II. B. papyrifera var. cordifolia
Journal: Canad. Field-Naturalist
Volume: 79
Pages: 253–257
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