FIGURE 4. A in The lichen family Physciaceae in Thailand-II. Contributions to the genus Heterodermia sensu lato

FIGURE 4. A. Heterodermia comosa, cilia orginating from the upper surface (scale 2 mm). B. Heterodermia comosa, cilia orginating from the exciple of the apothecia (scale 1 mm). C. Heterodermia echinata, white marginal rhizines, some becoming dark at the tips (scale 5 mm). D. Leucodermia leucomelos f. albociliata, ± white, simple marginal rhizines (scale 5 mm). E. Leucodermia boryi, black branched marginal rhizines (scale 0.5 cm). F. Polyblastidium propaguliferum, black, branched, marginal rhizines (scale 1 mm).