Bagliettoa (Verrucaria) baldensis s.l.

The former taxon Verrucaria baldensis has been split into three entities in the genus Bagliettoa which require sequencing for certain identification, namely B. baldensis s.s., B. parmigera and B. parmigerella. 

Listed under Verrucaria baldensis by Alan Orange in Flora of Glamorgan (Wade et al, 1994).