FIGURE 2 in Ten new species of Sticta and counting: Colombia as a hot spot for unrecognized diversification in a conspicuous macrolichen genus

FIGURE 2. Sticta arbuscula (holotype collection). A. Thallus. B. Lower surface. C. Upper surface enlarged. D. Lower surface enlarged. E. Laminal isidia enlarged. F. Marginal isidia enlarged. G. Microscopic section through cyphella. H. Microscopic section through cyphella enlarged, showing basal membrane with papillose cells. Scale in A and B = 10 mm, in C and D = 5 mm, in E = 1 mm, in F = 0.5 mm, in G = 50 µm, in H = 10 µm.