Author:
Sweet,A.R.;Hills,L.V.
Year:
1974
Title:
A detailed study of the genus Azollopsis.
Reference:
Sweet,A.R. et al. (1974) A detailed study of the genus Azollopsis. Canadian Journal of Botany Vol. 52 # 7 P. 1625- 1642
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Genus Species Country(Region) From To
Azolla Azolla pilata Canada(Alberta) Maastrichtian
Azollopsis Azollopsis coccoides Canada(Alberta) Late Campanian
Azollopsis Azollopsis intermedia sp. nov. Canada(Alberta) Campanian
Azollopsis Azollopsis pilata Canada(Alberta) Maastrichtian
Azollopsis Azollopsis pusilla sp. nov. Canada(Alberta) Early Campanian
Azollopsis Azollopsis spinata Canada(Alberta) Late Maastrichtian Early Paleocene
Azollopsis Azollopsis spinata Montana Late Cretaceous
Azollopsis Azollopsis tomentosa Canada(Alberta) Maastrichtian Paleocene
Salvinia Salvinia pilata Nd Nd
Salvinia Salvinia spinata Canada(Alberta) Late Maastrichtian Early Paleocene
Salvinia Salvinia spinata Montana Late Cretaceous
Salvinia Salvinia stewartii Nd Nd