Author:

Phillips,T.L.;Peppers,R.A.;Avcin,M.J.;Laughnan,P.F.

Year:

1972

Title:

Pennsylvanian Coal swamp floras in the Illinois Basin

Reference:

Phillips,T.L. et al. (1972) Pennsylvanian Coal swamp floras in the Illinois Basin American Journal of Botany Vol. 59 # 6 P. 662- 662

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