Concerning the genus Coffea and Echinacea, which is the most valuable?
Coffea:  Coffee ranks as one of the world's most valuable and widely traded commodity crops and is an important export product of several countries, including those in Central and South America, the Caribbean and Africa. Echinacea: Echinacea is a genus, or group of herbaceous flowering plants in the daisy family. Echinacea:  The "Echinacea" genus has nine species, which are commonly called purple coneflowers.
i don't know