Some American Carboniferous Fern Fructifications
Mamay, Sergius Harry
Article
1950
Annals of the Missouri Botanical Garden
37
409--476
BioStor
English
St. Louis, Missouri Botanical Garden Press, 1914-
BioStor: https://biostor.org/reference/11764 DOI: https://doi.org/10.2307/2394515
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