Author:
Richmond,G.M.;Mullender,W.;Coremans,M.
Year:
1978
Title:
Climatic implications of two pollen analyses from newly recognized rocks of Latest Pliocene age in the Washburn range, Yellowstone National Park, Wyoming.
Reference:
Richmond,G.M. et al. (1978) Climatic implications of two pollen analyses from newly recognized rocks of Latest Pliocene age in the Washburn range, Yellowstone National Park, Wyoming. United States Geological Survey, Bulletin # 1455 P. 1- 13
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Genus Species Country(Region) From To
Liguliflorae Liguliflorae Wyoming Late Pliocene
Polemoniaceae Polemoniaceae Wyoming Late Pliocene
Selaginella Selaginella Wyoming Late Pliocene
Gramineae Gramineae Wyoming Late Pliocene