(Lygodium japonicum)
Lygodium microphyllum (commonly known as, variously, climbing maidenhair fern,Old World climbing fern, small-leaf climbing fern,or snake fern[citation needed]) is a climbing fern originating in tropical Africa, South East Asia, Melanesia and Australia.It is an invasive weed in the US States of Florida and Alabama[citation needed] where it invades open forest and wetland areas. The type specimen was collected in the vicinity of Nab-a, on the Island of Luzon in the Philippines by Luis N-e