Anamorph: Forms velvety, pale to medium brown, or cinnamon, colonies on bleached parts of the thallus and apothecia of the lichen Xanthoria parietina. Mycellium immersed in host. Conidiophores erect to decumbent, arising from swollen hyphal cells, forming branched structures, 50-120 um long, all parts 2-4(-5) um wide, subhyaline to medium brown, walls thin and smooth. Conidiogenous cells 10-30 um long, somewhat enlarged at the tip with numerous conspicuous conitiogenous loci, 0-5-1 um diam. Conidia solitary, ellipsoid, ovoid to subcylindrical, straight or slightly curved, (7-)9-15(-17) x (2.5-)3-4(-4.5) um, (0-)1(-2)-septate, 1-septate conidia with septum ± median, subhyaline to pale olivaceous-brown, thin-walled, smooth, apex rounded, base with a refractive or darkened scar. Teleomorph: Not known.