Converse of object

• associate: This was the case with the oak tree, where a small area of roost system was exposed with it's associated mycorrhiza.

• form: Almost all of these fungi grow in symbiotic association with trees, forming mycorrhizas that aid the uptake of mineral nutrients from soil.

• call: Trees grow in associations with fungi, called mycorrhizas.

Adjective modifier

• arbuscular: By selectively amplifying fungal DNA it had been shown that, in bluebells, 2 or 3 genera of arbuscular mycorrhiza are present.

Modifies a noun

• fungus: Mycorrhiza fungi form highly branched, interconnected networks that invade the roots of plants in order to obtain a supply of carbohydrate.