MYKOS� Pure Mycorrhizal Inoculant is a natural and organic species of beneficial soil fungi that create a "sponge-like" mass which collects and stores nutrients and water, increasing the uptake of both. This single species of arbuscular mycorrhizal fungi contains only Rhizophagus intraradices, formally known as Glomus intraradices. MYKOS� mycorrhizae does not contain any other microbes such as Trichoderma or ectomycorrhizae.