P. floribunda may refer to:
Parentucellia floribunda, a parasitic plant Pauridiantha floribunda, an afrotropical plant Pectis floribunda, an annual plant Pentacalia floribunda, a plant endemic to Ecuador Pentaphylloides floribunda, a deciduous shrub Periploca floribunda, a plant with perfect flowers Phacelia floribunda, a phacelia endemic to San Clemente Island Phylica floribunda, an African plant Phyllodoce floribunda, a perennial evergreen Phymosia floribunda, a plant with stems that contain mucous canals Physaria floribunda, a perennial herb Pieris floribunda, a shrubby bush Pilosella floribunda, a vascular plant Pinochia floribunda, a plant species native to North America Piptadenia floribunda, a tropical legume Pleurothallis floribunda, a flowering plant Plummera floribunda, a plant with composite flowers Pogogyne floribunda, a mint native to northeastern California Potentilla floribunda, a deciduous shrub Primula floribunda, a herbaceous plant Pseuderia floribunda, an Oceanian orchid