The species was composed of exotic material found not only in normal space but also in a discrete subspace domain known as the mycelial network. Its fungal roots, or mycelium, fanned out into infinity across the universe to form the mycelial network. (DIS: "Choose Your Pain") In 2256, P. stellaviatori was grown in the cultivation bay aboard the USS Discovery. Its mycelium spores were harvested for use in the Discovery's experimental spore drive. (DIS: "Context Is for Kings")