FIGURE 2. A in The lichen family Physciaceae in Thailand-II. Contributions to the genus Heterodermia sensu lato

FIGURE 2. A. Heterodermia verdonii, thallus lobes with pseudocyphellae along margins (see arrows), (scale 1 mm). B. Heterodermia verdonii, pseudocyphellae along margin of apothecia (scale 1 mm). C. Polyblastidium fragilissimum, flattened marginal lobuli, ecorticate below (scale 1 mm). D. Heterodermia isidiophora, ± cylindrical isidia, completely corticate. E. Heterodermia antillarum, radial symmetric isidia, partly flattened, completely corticate. F. Heterodermia albicans, marginal soralia with granular soredia (scale 1 mm).