P. vulgaris may refer to: Paikiniana vulgaris, a spider species in the genus Paikiniana and the family Linyphiidae Phaseolus vulgaris, an herbaceous annual plant species Pinguicula vulgaris, a perennial insectivorous plant species Primula vulgaris, a garden plant species Proteus vulgaris, a rod-shaped Gram negative bacterium species Prunella vulgaris, a wild flower species Pulsatilla vulgaris, a buttercup species
See also Vulgaris (disambiguation)