Annals of the Missouri Botanical Garden · 1945 · 34 citations · 11 references
Natural SciencesBotanyEthnoarchaeologyIchnologySurface MiningCarboniferous FlorasCoal Ball FlorasCity LimitsCoal Ball FossilsCoal Mining HistoryFern FloristicsMorphology Of Fossil PlantsPennsylvanian FlorasPlant Systematics From Coal BallsPteridosperm Floras
Henry N. Andrews, Contributions to Our Knowledge of American Carboniferous Floras. VII. Some Pteridosperm Stems from Iowa, Annals of the Missouri Botanical Garden, Vol. 32, No. 3 (Sep., 1945), pp. 323-340+342+344+346+348+350+352+354-360
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