- phycoplast
- phycosphere
- phygoblastema
- phylacobiosis
- phylembryogenesis
- phyletic analysis
- phyletic gradualism
- phyletic speciation
- phyllanthus family
- phyllidium
- phyllite
- phyllobranchiate
- phylloclade
- phyllode
- phyllosilicate
- phyllosoma
- Phyllosphere
- phyllosphere biofilm
- phyllosphere microbe
- phyllospheric microorganism
- Phyllostachys heterocycla Bamboo Forest Alliance
- phyllotaxis
- phyllotaxy
- phylloxerid
- phylogenesis