The well-established name Xanthoparmelia pulla (Schreb.) O. Blanco & al. (or sometimes Neofuscelia pulla (Schreb.) Essl.) has been used to refer to a common, brown, foliose saxicolous lichen. The basionym had, however, long been considered to be Parmelia pulla Ach. (Syn. Meth. Lich.: 206. 1814), and so the type had been assumed to be an Acharian collection. A specimen of Parmelia pulla in H-ACH 1420D (= H9502152) conforming to current usage was therefore designated as lectotype by Esslinger & Ahti (in Revista Fac. Ci. Univ. Lisboa, ser. 2, C, Ci. Nat. 17: 728 & fig. 1. [“1973”] 1975). However, one of us (L.A.) pointed out that this was incorrect, as Acharius’s species name was intended as a new combination based on Lichen pullus Schreb. (Spic. Fl. Lips.: 131. 1771) as that name was listed as a synonym. It is therefore necessary to address the status and typification of the intended basionym to fix the application of Acharius’s name.