Rhizobia that nodulate the same hosts belong to a cross inoculation group.

能使相同寄主结属于同一互接种。

Bacteroid A modified bacterial cell in a root nodule, typically a cell of the bacterium Rhizobium in the root nudule of a leguminous plant (family Fabaceae).

在中经过修胞，比较典型是在豆科植物中（蝶形花科）。