Nearctic

Nearctic adjective - belonging or pertaining to a geographical division comprising temperate and arctic North America, as well as Greenland, shaded green in the diagram above.

Also used as a proper noun, as a shortened form of the "Nearctic Region", or "Nearctic ecozone". This includes all of the United States and Canada, except south Florida and Hawaii. Note that, despite the name, "Nearctic" includes temperate regions of North America as well as arctic regions.