The symbiovar mediterranense of Sinorhizobium meliloti nodulates Phaseolus vulgaris across Lanzarote (Canary Islands): A revision of this symbiovar supports a proposal to delimit symbiovars boundaries in Sinorhizobium and to define four new symbiovars

1. Flores-Félix, J.D.
2. Sánchez-Juanes, F.
3. Pulido-Suárez, L.
4. Velázquez, E.
5. León-Barrios, M.