dickinson
- n United States poet noted for her mystical and unrhymed poems (1830-1886)
dicksonia
- n tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae
dicksonia antarctica
- n of Australia and Tasmania; often cultivated; hardy in cool climates
dicksoniaceae
- n tree ferns: genera Dicksonia, Cibotium, Culcita, and Thyrsopteris elegans