Reference:Kirkman1981a
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Verbatim text: Kirkman, L. K. 1981. Taxonomic revision of Centratherum and Phyllocephalum (Compositae: Vernonieae). Rhodora 83: 1–24.
Author: Kirkman, L.K.
Year: 1981
Title: Taxonomic revision of Centratherum and Phyllocephalum (Compositae: Vernonieae)
Journal: Rhodora
Volume: 83
Pages: 1–24