yarsagumba cordyceps sinensis / ophiocordyceps sinensis belonging to ophiocordycipitaceae f

cordycep medicinal dong chong xia cao expensive food ophiocordyceps sinensis chinese medicine yartsa viagra gunbu parasitic yarchagumba caterpillar white fungus traditional medical healthy herbs cordyceps exotic fungi china oriental asian ingredient therapeutic dried isolated alternative health mushroom organic plant background fresh herb nepal natural yarsagumba belonging ophiocordycipitaceae family