Psidium
Psidium cattleianum
Psidium guajava
Psidium guineense
Psidium littorale
Psidium littorale longipes
psilocin
psilocins
psilocybin
psilocybins
| psilomelane
Psilophytaceae
Psilophytales
psilophyte
psilophytes
psilophytic (current term)
psilophyton
Psilopsida
psiloses
psilosis
| Psilotaceae
Psilotales
Psilotatae
psilotic
Psilotum
Psilotum nudum
psion
psionic
psionics
psions
|
