Not all mushrooms extend right away; some improve really slowly and gradually and increase tissue for their fruiting bodies by growing from the sides on the colony or by inserting hyphae. For instance, Pleurotus nebrodensis grows slowly, and for this reason combined with human collection, it is now critically endangered.[fourteen] http://connertvupm.blogzet.com/psilocybin-mushroom-growing-kits-an-overview-17162324