ENDANGERED COFFEE SPECIES: Wild arabica and robusta on the brink.

From Popular Mechanics:

The beans that made your morning cup of joe are probably from one of the two species of coffee: Arabica or Robusta. Those two are responsible for most of the commercial coffee in the world, but they are just two of hundreds of inter-related species of the coffee plant in the world—and many of those species are in danger.

In the arabica and robusta mix the article adds a trace or two of hysteria, but it’s still worth reading.