High Quality Content by WIKIPEDIA articles! Banksia paludosa, commonly known as the marsh or swamp banksia, is a species of shrub in the plant genus Banksia. It is endemic to New South Wales, where it is found between Sydney and Batemans Bay, with an isolate population further south around Eden. Two subspecies are recognised, the nominate of which is a spreading shrub to 1.5 m (5 ft) in height, and subsp. astrolux is a taller shrub to 5 m (16 ft) high found only in Nattai National Park.