Author:
Hall,J.W.
Year:
1969
Title:
Trends in the evolution of fossil Salviniaceae.
Reference:
Hall,J.W. (1969) Trends in the evolution of fossil Salviniaceae. International Botanical Congress, 11th, Abstracts of Papers, Seattle,Washington P. 83- 83
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Genus Species Country(Region) From To
Azolla Azolla USA(Mid-Continent) Late Cretaceous Early Tertiary
Salvinia Salvinia USA(Mid-Continent) Eocene