Cascadia — usa_west borders (3): California, The Great Basin, The RockiesCascadiaCalifornia — usa_west borders (4): Baja California, Cascadia, The Great Basin, The SouthwestCaliforniaThe Great Basin — usa_west borders (4): California, Cascadia, The Rockies, The SouthwestThe Great BasinThe Southwest — usa_west borders (5): Baja California, California, The Great Basin, The Rockies, SonoraThe SouthwestThe Rockies — usa_west borders (3): Cascadia, The Great Basin, The SouthwestThe RockiesNew England — usa_east borders (1): The Mid-AtlanticNew EnglandThe Mid-Atlantic — usa_east borders (2): Appalachia, New EnglandThe Mid-AtlanticAppalachia — usa_east borders (3): The Carolinas, Florida, The Mid-AtlanticAppalachiaThe Carolinas — usa_east borders (2): Appalachia, FloridaThe CarolinasFlorida — usa_east borders (3): Appalachia, The Carolinas, CubaFloridaBaja California — mexico borders (3): California, Sonora, The SouthwestBaja CaliforniaSonora — mexico borders (3): Baja California, Central Mexico, The SouthwestSonoraCentral Mexico — mexico borders (2): Sonora, YucatanCentral MexicoYucatan — mexico borders (3): Central Mexico, Guatemala, CubaYucatanGuatemala — central_america borders (2): Honduras, YucatanGuatemalaHonduras — central_america borders (2): Guatemala, NicaraguaHondurasNicaragua — central_america borders (2): Costa Rica, HondurasNicaraguaCosta Rica — central_america borders (2): Nicaragua, PanamaCosta RicaPanama — central_america borders (2): Colombia, Costa RicaPanamaCuba — caribbean borders (4): Florida, Yucatan, Jamaica, HispaniolaCubaJamaica — caribbean borders (1): CubaJamaicaHispaniola — caribbean borders (2): Cuba, Puerto RicoHispaniolaPuerto Rico — caribbean borders (2): Hispaniola, The Lesser AntillesPuerto RicoThe Lesser Antilles — caribbean borders (2): Puerto Rico, VenezuelaThe Lesser AntillesColombia — andes borders (4): Ecuador, Panama, Peru, VenezuelaColombiaVenezuela — andes borders (2): Colombia, The Lesser AntillesVenezuelaEcuador — andes borders (2): Colombia, PeruEcuadorPeru — andes borders (4): Bolivia, Chile, Colombia, EcuadorPeruBolivia — andes borders (2): Chile, PeruBoliviaChile — andes borders (2): Bolivia, PeruChile