Reference:Fries1934a
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Verbatim text: Fries, R. E. 1934. Revision der Arten einiger Annonaceen-Gattungen. Acta Horti Berg. 12(1): 1-220.
Author: Fries, R.E.
Year: 1934
Title: Revision der Arten einiger Annonaceen-Gattungen
Journal: Acta Horti Berg
Volume: 12
Pages: 1–220