beefsteak fungus: a popular edible fungus with a cap the color of liver or raw meat; abundant in southeastern United States
polypore: 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
anaphylaxis: hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance