The fossil Flora of Iowa Coal Balls: II. The Fructification of Botryopteris
Darrah, William C
Article
1939-09-06
Botanical Museum leaflets, Harvard University
7
Issue: 10
157--179
Harvard University Botany Libraries
English
Cambridge, Mass Botanical Museum, Harvard University 1932-
DOI: https://doi.org/10.5962/p.295137
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