D. polymorpha may refer to:Danaea polymorpha, a eusporangiate fern Dialeurodes polymorpha, an agricultural pest Diplodia polymorpha, an anamorphic fungus Discula polymorpha, a gastropod mollusk Ditaxis polymorpha, a false croton Dreissena polymorpha, a freshwater mussel Drosophila polymorpha, a small fly Dunaliella polymorpha, a green alga