P. dubia may refer to: Partulina dubia, a gastropod species endemic to the United States Phelsuma dubia, the dull day gecko, a diurnal lizard species Praya dubia, the giant siphonophore, a deep sea organism Psychotria dubia, a plant species endemic to Sri Lanka
Synonyms Petrophile dubia, a synonym for Isopogon dubius, a small shrub Prosopis dubia, a synonym for Enterolobium cyclocarpum, the guanacaste, caro caro or elephant ear tree, a legume species
See also Dubia (disambiguation)