Figure 1From: Fungal-associated NO is involved in the regulation of oxidative stress during rehydration in lichen symbiosisAnatomy of Ramalina farinacea. Thalli of R. farinacea: A, B Bright-field microscopy of slices cut in a freezing microtome (magnification 200× and 1000×, respectively); C, D ultramicrotome survey sections (10 μm) stained with toluidine blue (magnification 200× and 1000×, respectively). C cortex, PL photobiont layer, Pho photobiont, M medulla, Hy fungal hyphaeBack to article page