猴頭菇 ; lit. "monkey head mushroom") in  Chinese . In Japanese it is called  yamabushitake  ( 山 伏 茸 ; lit. "mountain hidden mushroom"). In  Vietnamese  it is called  nấm đầu khỉ . Hericium erinaceus  research In  traditional Chinese medicine  this mushroom has long been considered a  medicinal mushroom  and a