A brief conspectus of American Coal ball studies

Henry N. Andrews Jr.; Sergius H. Mamay

doi:10.54991/jop.1952.373

Authors

Henry N. Andrews Jr. Professor of Botany, Henry Shaw School of Botany, Washington University, St. Louis, Missouri
Sergius H. Mamay John Simon Guggenheim Fellow, Cambridge University

DOI:

https://doi.org/10.54991/jop.1952.373

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References

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ANDREWS, H. N. & JUNES A. KERNEN (1946). Contributions, etc. VIII. Another Medullosa from Iowa. Ibid. 33: 141-146.

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Idem (1949). Some Pteridosperm Stems and Fructifications with Particular References to the Medullosae. Ibid. 36: 287-352.

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