| FAM | distinguished from the family Geraniaceae by the irregular flowers |
|---|---|
| FAM | a family of protoctista |
| FAM | mole rats |
| FAM | family coextensive with genus Batis: saltworts |
| FAM | toadfishes |
| FAM | monoecious succulent herbs or shrubs of tropical and warm regions especially America |
| FAM | family of extinct Mesozoic cephalopods |
| FAM | ferocious fishes of warm regions resembling but unrelated to the freshwater gars |
| FAM | water bugs |
| FAM | a family of fossil gymnospermous plants of the Carboniferous |
| FAM | shrubs or herbs |
| FAM | monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis) |