3 As already mentioned, Floating Pennywort is a native of North America. It is found in ponds and swamps from eastern Pennsylvania to Florida and west as far as Texas. It is also found in Arkansas and along the Pacific coast from Oregon to Lower California. It has been introduced to Cuba, Central and South America and to Europe where it is found in Italy, Sardinia and Sicily. In Africa it has been recorded from Ethiopia. R. G. Payne Leaves of Floating Pennywort, photocopied from life (natural size).