Author:
Guennel,G.K.
Year:
1954
Title:
An interesting megaspore species found in Indiana Block Coal
Reference:
Guennel,G.K. (1954) An interesting megaspore species found in Indiana Block Coal Butler University Botanical Studies Vol. 11 P. 169- 177
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Genus Species Country(Region) From To
Triletes Triletes triangulatus Indiana Westphalian B