Noun
woody pore fungi; any fungus of the family Polyporaceae or family Boletaceae having the spore-bearing surface within tubes or pores; the fruiting bodies are usually woody at maturity and persistent
Source: WordNetToday, reishi stands out as one the most valuable of all polypore mushrooms in nature for the benefit of our health. Many naturopaths and doctors prefer organically-grown reishi from pristine environments because they are more pure. Paul Stamets