Title
Descriptions of the species of Cycadeoidea, or fossil cycadean trunks, thus far discovered in the iron ore belt, Potomac Formation, of Maryland
By
Ward, Lester F. (Lester Frank), 1841-1913
Original Publication
Proceedings of the Biological Society of Washington
Published by
Washington Biological Society of Washington
Identifiers
BioStor:
https://biostor.org/reference/83605