Berry, E. W. (1914). "The Upper Cretaceous and Eocene floras of South Carolina and Georgia". U.S. Geological Survey Professional Paper. 84: 11. Bibcode:1914usgs.rept...11B. doi:10.3133/pp84.
Berry, E. W. (1914). "The Upper Cretaceous and Eocene floras of South Carolina and Georgia". U.S. Geological Survey Professional Paper. 84: 11. Bibcode:1914usgs.rept...11B. doi:10.3133/pp84.