Below are the countries in North America with edible plants.
Anguilla
Antigua and Barbuda
Aruba
Bahamas
Barbados
Belize
Bermuda
Canada
Cayman Islands
Costa Rica
Cuba
Curacao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Trinidad and Tobago
United States