Fig. 3From: Lichens and other lithobionts on the carbonate rock surfaces of the heritage site of the tomb of Lazarus (Palestinian territories): diversity, biodeterioration, and control issues in a semi-arid environmentBiofilm forming microorganisms from the Jerusalem stone surfaces of the Tomb of Lazarus. a Coccoid cyanobacteria surrounded by a polysaccharide sheath. b Cyanobacterial mat, locally including green algae (§) and black yeasts (#). c Black yeasts (#) and meristematic (*) fungi within the medulla and d on the cortex of chlorolichens. Scale bars = 50 μm (a), 100 μm (b–d)Back to article page