Abstract
In his pioneering work on the genus Aspicilia, Hue (1910) described among others 23 species on a basis of specimens collected by Urbain Jean (Abbé) Faurie in Korea and Japan in 1899–1906. Hue provided his descriptions with carefully made characteristics of thalli as well as measurements of spores and conidia. However Hue’s systematic arrangement of species, which used only anatomical characteristics such as branching of cortical hyphae, form of cells in paraphyses and presence or absence of lateral cortex, gained criticism from Magnusson (1939) for neglecting morphology. Nevertheless, both Hue and Magnusson used very narrow species concept in Aspicilia s.l. (Nordin 2015). Moreover, some species were described on a basis of a single collection and are only known from the type locality. Therefore, critical assessment of Aspicilia species described that time is necessary.