Author:

Nygreen,P.W.;Bourn,O.B.

Year:

1967

Title:

Morphological variation of Potonieisporites in a Late Pennsylvanian Florule.

Reference:

Nygreen,P.W. et al. (1967) Morphological variation of Potonieisporites in a Late Pennsylvanian Florule. Review of Palaeobotany and Palynology Vol. 3 P. 325- 332

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