1. In the Christian era; used before dates after the supposed year Christ was born
   - AD, A.D., year of our Lord

Encyclopedia: Anno Domini

• genus Pavonia
• genus Payena
• genus Pecari
• genus Pecopteris
• genus Pecten
• genus Pediculus
• genus Pedilanthus
• genus Pediocactus
• genus Pedioecetes
• genus Pedionomus
• genus Peireskia
• genus Pelargonium
• genus Pelecanus
• genus Pellaea
• genus Pellicularia
• genus Peltandra
• genus Peltiphyllum
• genus Penelope
• genus Peneus
• genus Penicillium
• genus Pennatula
• genus Pennisetum
• genus Penstemon
• genus Peperomia
• genus Perca