Fungus

Fungi on soil (photo credit: gardeningfever.com)

A single-celled or multi-celled organism that is a member of the separate kingdom Fungi.

Saprophytic or parasitic, plant like structure that lacks chlorophyll and possesses a body composed of mycelia. Included among the fungi are moulds, mildews, rusts, smuts, mushrooms, puffballs, and yeasts.