Basionym Name:Calicium aeruginosum Turner, in Smith & Sowerby, Engl. Bot. 35: [2502] (1813)
Homotypic synonyms:Chaenotheca aeruginosa (Turner) A.L. Sm., Monogr. Brit. Lich., Edn 2 1: 8 (1918)Chaenotheca aeruginosa f. aeruginosa (Turner) A.L. Sm., Monogr. Brit. Lich., Edn 2 1: 8 (1918)Chaenotheca stemonea var. aeruginosa (Turner) Müll. Arg., Mém. Soc. Phys. Hist. nat. Genève 16(2): 360 (1862)Phacotrum aeruginosum (Turner) Gray, Nat. Arr. Brit. Pl. (London) 1: 484 (1821)