1. Not structural

See also: nonfunctional

• genus Phleum
• genus Phlomis
• genus Phlox
• genus Phoca
• genus Phocoena
• genus Phoenicophorium
• genus Phoeniculus
• genus Phoenicurus
• genus Phoenix
• genus Pholas
• genus Pholidota
• genus Pholiota
• genus Pholis
• genus Pholistoma
• genus Phoradendron
• genus Photinia
• genus Photoblepharon
• genus Phoxinus
• genus Phragmipedium
• genus Phragmites
• genus Phrynosoma
• genus Phthirius
• genus Phthirus
• genus Phthorimaea
• genus Phyllitis