@inbook{Graham+2010+209+234,
url = {https://doi.org/10.7208/9780226306827-008},
title = {6. Transition: Middle Eocene through the Early Miocene},
booktitle = {A Natural History of the New World},
booktitle = {The Ecology and Evolution of Plants in the Americas},
author = {Alan Graham},
publisher = {University of Chicago Press},
address = {Chicago},
pages = {209--234},
doi = {doi:10.7208/9780226306827-008},
isbn = {9780226306827},
year = {2010},
lastchecked = {2026-05-07}
}