P. rubra

P. rubra may refer to:
 * Paradisaea rubra, the red bird-of-paradise or Cendrawasih Merah, a bird species
 * Piranga rubra, the summer tanager, a medium-sized American songbird species
 * Plumeria rubra, the red frangipani or common frangipani, a deciduous tree species
 * Pseudostomatella rubra, a sea snail species