Author:

Ash,S.R.

Year:

1994

Title:

First occurrence of Czekanowsia (Gymnospermae, Czekanowskiales) in the United States.

Reference:

Ash,S.R. (1994) First occurrence of Czekanowsia (Gymnospermae, Czekanowskiales) in the United States. Review of Palaeobotany and Palynology Vol. 81 # 2 P. 129- 140

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