Freshwater pearl mussel Freshwater pearl mussel The freshwater pearl mussel ("Margaritifera margaritifera") is an endangered species of freshwater mussel, an aquatic bivalve mollusc in the family Margaritiferidae. Although the name "freshwater pearl mussel" is often used for this species, other freshwater mussel species can also create pearls and some can also be used as a source of mother of pearl. In fact, most cultured pearls today come from "Hyriopsis" species in Asia, or "Amblema" species in North America, both members of the related family Unionidae; pearls are also found within species in the genus "Unio". The interior of the shell of "Margaritifera margaritifera"
Pearl of Africa Rally its own African Rally Championship event in 1997. As Winston Churchill visited Uganda, he baptised the country as the ‘Pearl of Africa’, that's where this event receives its name from. Some remarkable drivers in the history of Uganda are Sospeter Munyegera, Shekhar Mehta, Satwant Singh, Charlie Lubega, Moses Lumala, Emmanuel Katto and Chipper Adams, amng others. Source: Motor Sport Uganda and African Rally Championship Pearl of Africa Rally Pearl of Africa Rally or Pearl of Africa Uganda Rally is one of the main motorsport events in Uganda. It is part of the National Rally Championship and the FIA African Rally