病原菌主要是子囊菌亚门和半知菌亚门的真菌。子实层:真菌中的子囊菌类和担子菌类的子实体上生长子囊或担子的层状结构。
Hymenium ( pl. hymenia ) A layer of the fruiting body of certain ascomycete and basidiomycete fungi in which the asci or basidia are borne .