Reference:Nesom1989b
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Verbatim text: Nesom, G. L. 1989c. Infrageneric taxonomy of New World Erigeron (Compositae: Astereae). Phytologia 67: 67–93.
Author: Nesom, G.L.
Year: 1989c
Title: Infrageneric taxonomy of New World Erigeron (Compositae: Astereae)
Journal: Phytologia
Volume: 67
Pages: 67–93