The fungi that produce the truffles work in partnership with the surrounding trees by forming sheaths around their roots and extending a dense network of filaments into the soil to gather water and nutrients.
Šīs sēnes augot izveido apvalkus ap apkārtējo koku saknēm, un biezais sēņotnes pavedienu tīkls ļauj kokiem uzsūkt no augsnes ūdeni un barības vielas.