1. Land bridges : ancient environments, plant migrations, and new world connections Author/Creator: Graham, Alan, author Publication/Creation: Chicago : University of Chicago Press, [2018] Resource Type: Book Access & Availability: Loading
2. A Natural History of the New World : The Ecology and Evolution of Plants in the Americas Author/Creator: Graham, Alan, author Publication/Creation: Chicago : University of Chicago Press, [2010] Resource Type: Book Access & Availability: Loading