The morphology of some American species of Psaronius ...
By: by Norman John Gillette ...
Publisher: University of Chicago
Published: 1937
Place of publication: [Chicago
Language: eng
Number of pages: 102
Subjects: Psaronius.; Paleobotany -- Paleozoic.; Paleobotany -- Illinois.
Notes: "Literature cited": p. 101-102.
Thesis (Ph. D.)--University of Chicago, 1937.
"Private edition, distributed by the University of Chicago Libraries, Chicago, Illinois."
"Contributions from the Hull botanical laboratory 482."
"Reprinted from the botanical gazette, vol. 99, no. 1, September 1937."