Pleurotus Ostreatus (but other types of Pleurotus family as well) will grow on almost any ligno-cellulosic material.
A short list of products could be: straw, corn cobs, sawdust, cork, banana leaves, cotton seed hulls, newspaper, cardboard, toilet paper rolls, coffee pulp, sawdust, cocoa, peanut and coconut shells, cotton seed hulls, Jamaica, cassava peels, cotton, sorghum, corn stalks, grass, clover, wood, wastes of rice, wheat, cotton from textile industry, corncobs, crushed bagasse and molasses from sugar industry, water hyacinth, water lily, bean, wheat straw, leaves, oil-palm fiber, paper and paddy.
See same examples:
Banana leaves, rice straw, wheat straw, mixture of rice and wheat straw and saw dust: http://www.ijsrp.org/research-paper-0618/ijsrp-p7832.pdf
Production of insulation panels with Pleurotus Ostreatus mycelium: https://criticalconcrete.com/producing-mycelium-insulation/