Frankia
Frankia is a genus of nitrogen-fixing bacteria that live in symbiosis with actinorhizal plants, similar to the Rhizobium bacteria found in the root nodules of legumes in the family Fabaceae. Frankia also initiate the forming of root nodules.
Francia
Francia, also called the Kingdom of the Franks (Latin: Regnum Francorum), Frankish Kingdom, Frankland or Frankish Empire, was the largest post-Roman barbarian kingdom in Western Europe. It was ruled by the Franks during Late Antiquity and the Early Middle Ages.