Linked from
The 17 pages that link to Root nodule, each with the reason it gives.
Nitrogen fixationBroader topic: Nodules provide a controlled habitat for symbiotic fixation.
FabaceaeBroader topic: Nodules are the structures where many legumes host nitrogen-fixing bacteria.
RootBroader topic: Nodules are the sites of symbiotic nitrogen fixation in legumes.
AlfalfaBroader topic: Alfalfa nodules are the sites where its bacterial partners fix nitrogen.
Pigeon peaBroader topic: Pigeon pea’s nitrogen-fixing bacteria live in these structures.
Alnus rubraBroader topic: Red alder's nodules house Frankia bacteria that fix atmospheric nitrogen.
LablabBroader topic: Lablab roots can develop nodules through symbiosis with rhizobia.