A study of arborescent lycopod leaves associated with Lepidodendron selaginoides Sternberg stems in Iowa coal balls

Leonard Richard Wilson; Iola Tillapaugh

doi:10.2475/ajs.240.6.394

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Wilson, L. R., & Tillapaugh, I. (1942). A study of arborescent lycopod leaves associated with Lepidodendron selaginoides Sternberg stems in Iowa coal balls. American Journal of Science, 240(6), 394–402. https://doi.org/10.2475/ajs.240.6.394

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A Study of Arborescent Lycopod Leaves Associated With Lepidodendron Selaginoides Sternberg Stems in Iowa Coal Balls