Eucalyptus camaldulensis, the river red gum, is a tree of the genus Eucalyptus. It is one of around 800 species within the genus. It is a plantation species in many parts of the world, but is native to Australia, where it has the most widespread natural distribution of Eucalyptus in Australia, especially beside inland water courses. Oddly, it is named for a private estate garden near the Camaldoli monastery near Naples (L'Hortus Camaldulensis di Napoli), from...