haustorium of dodder (cuscuta) ,hop stems and the dodder parasitize on the same - 白粉病菌孢子 幅插畫檔、美工圖案、卡通及圖標菇類
downy mildew, powdery mildew and dry rot fungus hyphae peronosporaceae, powdery mildew, merulius lacrymans - 白粉病菌孢子 幅插畫檔、美工圖案、卡通及圖標