TABLE 2.

B. cepacia complex

Genomovar	Species designation	Role in CF lung disease
I	B. cepacia	Unlikely
II	B. multivorans	Proven
III	B. cenocepacia	Proven
IV	B. stabilis	Unlikely
V	B. vietnamiensis	Unlikely
VI	Unnamed	Unlikely
VII	B. ambifaria	Unlikely
VIII	B. anthina	Unlikely
IX	B. pyrrocinia	Unknown