lower surface_color_yellow
buff
black to the margin, or with a chestnut brown, erhizinate or partly rhizinate marginal zone (ca. 1-4 mm wide) at main lobe tips; lateral lobes with isidia occasionally with a narrow erhizinate, buff or buff-mottled marginal zone (0.2-1 mm wide)
Parmotrema occultum
Parmotrema occultum