response: I don't know about it's popularity.  I can tell you though, that the two most common coffee plants are called robusta and arabica.
original_response: The plant was exported from Africa to countries around the world are the two popularly grown types
history: I can barely function without my morning coffee! Really?  Did you know that coffee beans are basically berry seeds? No I didn't!  Where is coffee native to? It  is native to tropical Africa That's interesting!  Do you know any other interesting facts about coffee? Well, from Africa, the coffee plant was exported around the world. And thank goodness!  lol.  Is is popular around the world?
knowledge: The two most commonly grown are the highly regarded arabica, and the less sophisticated but stronger and hardier robusta.