Nordic J. Bot. 31(1): 59 (2013). Basionym: Placodium elegans var. trachyphyllum Tuck., Syn. N. Amer. Lich. (Boston) 1: 170 (1882). Synonyms: Index Fungorum
Basionym: Placodium elegans var. trachyphyllum Tuck., Syn. N. Amer. Lich. (Boston) 1: 170 (1882).
Synonyms: Index Fungorum