Mykos is a natural and organic species of beneficial soil fungi that create a "sponge-like" mass which collects and store nutrients and water, increasing the uptake of both. Mykos arbuscular mycorrhizal fungi contains Rhizophagus intraradices ( formally known as Glomus intraradices). Mykos does not contain any other microbes such as Trichoderma or ectomycorrhizae. Wettable Powder. Specifications Includes: Wettable Powder. Capacity: 4 oz.