Lebewesen>Bacteria>Proteobacteria>Alphaproteobacteria |
Klasse
(Nichtschwefel-Purpurbakterien)
Ordnungen
| Caulobacterales (Wikipedia) |
Kordiimonadales |
Parvularculales (Wikipedia) |
| Rhizobiales (Wikipedia) |
Rhodobacterales (Wikipedia) |
Rhodospirillales (Wikipedia) |
| Rickettsiales (Wikipedia) |
Sneathiellales |
Sphingomonadales (Wikipedia) |