The Fossil Flora of the Globe
Ward, Lester F. (Lester Frank), 1841-1913
Article
1884
Botanical gazette
9
Issue: 10/11
169--174
BioStor
English
Hanover, Ind, [publisher not identified], 1876-1991
BioStor: https://biostor.org/reference/209357 DOI: https://doi.org/10.1086/325810