Nordic J. Bot. 4: 79 (1984). Type locality: Norway, Sør-Trøndelag, Melhus, 1982, T. Tønsberg 6870 and in Vezda, Lich. Sel. Exsicc. 1978 (TRH - holotype; B, BM, CANL, H, S, UPS, US - isotypes).
Type locality: Norway, Sør-Trøndelag, Melhus, 1982, T. Tønsberg 6870 and in Vezda, Lich. Sel. Exsicc. 1978 (TRH - holotype; B, BM, CANL, H, S, UPS, US - isotypes).