Spores of the Heterophyllous Selaginellae of Mexico and Central America
Hellwig, Robert Lee
Article
1969
Annals of the Missouri Botanical Garden
56
444--464
BioStor
English
St. Louis, Missouri Botanical Garden Press, 1914-
BioStor: https://biostor.org/reference/11929 DOI: https://doi.org/10.2307/2394857
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