Basionym Name:Parmelia thamnidiella Stirt., Trans. Glasgow Soc. Fld Nat. 5: 213 (1877)
Homotypic synonyms:Parmelia conspersa var. thamnidiella (Stirt.) Stizenb., Ber. Tät. St Gall. naturw. Ges.: 153 (1890)Parmelia subconspersa var. thamnidiella (Stirt.) Stizenb., Ber. Tät. St Gall. naturw. Ges.: 153 (1889)Pseudevernia thamnidiella (Stirt.) C.W. Dodge, Ann. Mo. bot. Gdn 46: 183 (1959)