Reference:Clevinger2000a


Verbatim text: Clevinger, J. A. and J. L. Panero. 2000. Phylogenetic analysis of Silphium and subtribe Engelmanniinae (Asteraceae: Heliantheae) based on ITS and ETS sequence data. Amer. J. Bot. 87: 565–572.
Author: Clevinger, J.A., Panero, J.L.
Year: 2000
Title: Phylogenetic analysis of Silphium and subtribe Engelmanniinae (Asteraceae: Heliantheae) based on ITS and ETS sequence data
Journal: Amer. J. Bot
Volume: 87
Pages: 565–572

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