It is difficult to subdivide the Neotropical region into subregions; the best suggestion is that of Newton: Antillean, with the exception of the islands of Trinidad and Tobago, as well as those which lie on the northern coast of South America; Patagonian, including Chile and part of Peru; Columbian, comprising the rest of the continent and also Central America.
Millspaugh's Flora of the Sand Keys of Florida (Chicago, 1907), a Field Columbian Museum publication, are of value.
Columbian insurgents made ineffectual attempts to invade the island during 1819-29.
The peanut, or ground-nut (Arachis hypogaea), is another widely-cultivated plant, dating from pre-Columbian times.
How would you define Columbian? Add your definition here.