Published January 12, 2014 at 400 × 533 in Symbiotic Fungi Inhabiting Plant Roots Have Major Impact on Atmospheric Carbon This is a photo of the fruiting body of an ectomycorrhizal fungus associated with the roots of a Hemlock tree in Harvard Forest. Image credit: Colin Averill (Image via Eurekalert) (Visited 19 times, 1 visits today)