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Spore wall ultrastructure in the early lycopsid Leclercqia (Protolepidodendrales) from the Lower Devonian of North America: Evidence for a fundamental division in the lycopsids
Wellman, C. H., Gensel, P. G., Taylor, W. A.Volume:
96
Language:
english
Journal:
American Journal of Botany
DOI:
10.3732/ajb.0800422
Date:
October, 2009
File:
PDF, 1.67 MB
english, 2009