Rhodospirillum rubrum
(tree size 1)
Rhodospirillum tenue
Rhodospirillum fulvum
Rhodospirillum centenum
Rhodospirillum molischianum
Rhodospirillum oryzae
Rhodospirillum salexigens
Rhodospirillum salinarum
Rhodospirillum sodomense
Rhodospirillum sulfurexigens
Rhodospirillum photometricum