Prim. Fl. Holsat.: 90 (1780).
Basionym: Lichen subulatus L., Sp. Pl.: 1153 (1753).
Type locality: [Sweden], Herb. Linnaeus 1273.249 (LINN - lectotype). Lectotypification by Laundon (1984).
Chemistry: Data lacking. Fumarprotocetraric acid (Germany, Berlin, Leuckert, HBG).