Thompson, K., et al. "Connecting contemporary ecology and ethnobotany to ancient plant use practices of the Maya at Tikal." Tikal: Paleoecology of an ancient Maya city (2015): 124-151.
http://books.google.ca/books?hl=en&lr=&id=WGt2BgAAQBAJ&oi=fnd&pg=PA124&dq=ethnobotany&ots=4dFsYJ0cyb&sig=a3XtFh85L1qoScXj48VsN0G40Lw
