Reference:Pennell1938a
Verbatim text: Pennell, F. W. 1938. What is Commelina communis? Proc. Acad. Nat. Sci. Philadelphia 90: 31--39.
Author: Pennell, F.W.
Year: 1938
Title: What is Commelina communis?
Journal: Proc. Acad. Nat. Sci. Philadelphia
Volume: 90
Pages: 31–39
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