Mostly large terrestrial tree-like ferns. Stems erect, usually trunk-like with a thick mat of roots at the base, occasionally creeping, covered with hairs. Sterile and fertile fronds similar. Fronds generally tough, divided 2-many times; veins forked or feathered but free and ending near the segment margin. Sori numerous, rounded, marginal, terminal on the veins. Indusia cup-like, two-lipped, the outer lip generally consisting of a reflexed or modified marginal flap but with a true inner lip.
5 genera, c. 50 species from SE Asia, Pacific, Australia, NZ, S America (2 genera with 5 species in Australia).
Source: (1995). Dicksoniaceae. In: . Horticultural Flora of South-eastern Australia. Volume 1, Ferns, conifers & their allies. The identification of garden and cultivated plants. University of New South Wales Press.