- Dicksonia, genus Dicksonia - tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae
--1 is a kind of fern genus
--1 is a member of Dicksoniaceae, family Dicksoniaceae
--1 has members: soft tree fern, Dicksonia antarctica