Reference:Hardin1964a
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Verbatim text: Hardin, J. W. 1964. Variation in Aconitum of eastern United States. Brittonia 16: 80-94.
Author: Hardin, J.W.
Year: 1964
Title: Variation in Aconitum of eastern United States
Journal: Brittonia
Volume: 16
Pages: 80–94