Lichenologist 16(3): 217 (1984). Basionym: Lichen didactylus With., Bot. arr. veg. Gr. Brit. (London) 2: 718 (1776). Chemistry: No lichen substances (Neumann & Dolnik 2012: 43 two samples from Schleswig-Holstein).
Basionym: Lichen didactylus With., Bot. arr. veg. Gr. Brit. (London) 2: 718 (1776).
Chemistry: No lichen substances (Neumann & Dolnik 2012: 43 two samples from Schleswig-Holstein).