D. nana

D. nana may refer to:
 * Dalea nana, the dwarf Prairie clover, a flowering plant species in the genus Dalea
 * Diascia nana, a flowering species of Diascia (plant)

Synonyms

 * Dianthoecia nana, a synonym for Hadena confusa, the marbled coronet, a moth species
 * Dryandra nana, a synonym for Banksia nana, the dwarf dryandra, a shrub species endemic to Western Australia