A small genus of bacteria that form nitrogen-fixing root nodules. They are known for about 200 species of woody plants. That mainly occur on plants growing on poor soils and in pioneer situations.

references

Benson & Silvester (1993a), Normand, Orso, Cournoyer, Jeannin, Chapelon, Dawson, Evtushenko & Misra (1996a).

12/08/2016

mod 9.vii.2018