peppered rock-shield lichen plant (xanthoparmelia conspersa) thallus with cross section of apothecium - 19th century - 子囊盤 幅插畫檔、美工圖案、卡通及圖標
peppered rock-shield lichen plant (xanthoparmelia conspersa) apothecium and asci - 19th century - 子囊盤 幅插畫檔、美工圖案、卡通及圖標