Assertion: nodule's rhizobium | /r/RelatedTo | legume
Facets:
Source sentences:
text: This symbiosis involves legumes and a specific group of soil bacteria, collectively known as rhizobia, which are able to form root nodules and fix atmospheric N when associated with legumes.
text: The symbiotic nitrogen-fixing rhizobia associated with legumes include 14 genera and more than 98 species [ 16 ].