Figure 3
From: Unveiling the menace of lampenflora to underground tourist environments
FESEM images of the green biofilm samples from Pertosa-Auletta Cave. Filamentous microorganisms are shown in L1 (a), L4 (b), L3 (c), L2 (d), diatoms in L4 (e) and L1 (f); needle-fiber calcite structures in L2 and L3 (g and h, respectively), and biogenic-like mineral grains associated with filamentous microorganisms (i and j, respectively). The yellow arrows indicate the features mentioned in the text.
