Botany, also called plant science(s), plant biology or phytology, is the science of plant life and a branch of biology.
Canada is a country located in the northern part of North America.
Dædalus is a peer-reviewed academic journal founded in 1955 as a replacement for the Proceedings of the American Academy of Arts and Sciences, the volume and numbering system of which it continues.
Harvard University is a private Ivy League research university in Cambridge, Massachusetts.
A phylogenetic tree or evolutionary tree is a branching diagram or "tree" showing the evolutionary relationships among various biological species or other entities—their phylogeny—based upon similarities and differences in their physical or genetic characteristics.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.