(Methylocystis) (Methylocystis) is a biological genus in the family Methylocystaceae and order Rhizobiales.
Methylocystis echinoides
Methylocystis heyeri
Methylocystis hirsuta
Methylocystis parvus
Methylocystis rosea
Albibacter
Hansschlegelia
Methylocystis
Methylopila
Methylosinus
Pleomorphomonas
Terasakiella