C. dubia
Introduction '''''C. dubia''''' may refer to:* ''Calochlaena dubia''. a fern species* ''Centaurea dubia'', the Tyrol knapweed, a perennial plant species* ''Cercomela dubia'', the sombre chat, a bird species found in Ethiopia and Somalia* ''Ceriodaphnia dubia'', a species of water flea in the class Branchiopoda* ''Clathrina dubia'', a sponge species* ''Clausilia dubia'', a species of small, very elongate, left-handed air-breathing land snail species* ''Colias dubia'', the dwarf clouded yellow, a small butterfly species found in India* ''Coursetia dubia'', a legume species found only in Ecuador
See also * Dubia (disambiguation)