One kind of coffee beans are farmed in St. Helena: arabica. The taste is distinctive enough that the St. Helena Distillery uses it to create Midnight Mist Coffee Liqueur.
Cat poop coffee, known as Kopi Luwak, comes from civets, cat-like creatures, eating coffee cherries. Their digestive system ferments the cherries, creating viable coffee beans.
Black Ivory coffee has also been harvested from animal poop, this time from elephants. One study showed elevated antioxidants in this coffee, but other coffees showed similar results.
Always look for bags that say "100% Kona.” Type I is mid-grade quality, often for commercial uses, and type II is when one cherry results in only one coffee bean.
Jamaican Blue Mountain Coffee is grown in a 1.23 square acre location in Jamaica, and is its own variety. Constant humidity allows for a richer flavor, but the beans are difficult to farm.