The concept of the mountain ranges of the southwest as sky islands goes back to at least 1943 when Natt N. Dodge wrote that...
Where we live in southeastern Arizona it has been a very wet winter with rain out in the flats and snow in the hills...
Tecoma stans angustata is in the Bignonia family Bignoniaceae and there are a bunch of species of Tecoma starting here in the borderlands with...