Fig. 4From: Fungal communities in the biofilms colonizing the basalt sculptures of the Leizhou Stone Dogs and assessment of a conservation measureLaboratory-based microscopy of the selective biofilm samples. Light microscopy of the biofilm samples: a single cells; and b filamentous cells. Scanning electron microscopy of lichens: c the hyphae of lichens; and d the hyphae penetrating into the stone dogBack to article page