Author:

Hall,J.W.

Year:

1968

Title:

A new genus of Salviniaceae and a new species of Azolla from the Late Cretaceous.

Reference:

Hall,J.W. (1968) A new genus of Salviniaceae and a new species of Azolla from the Late Cretaceous. American Fern Journal Vol. 58 # 2 P. 77- 88

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