Basionym Name:Endocarpon speireum Taylor, London J. Bot. 6: 156 (1847)
Homotypic synonyms:Lecidea crenata var. speirea (Taylor) Zahlbr., Cat. Lich. Univers. 3: 866 (1925)Psora coroniformis var. speirea (Taylor) Müll. Arg., Flora, Regensburg 64(6): 87 (1881)Psora crenata var. speirea (Taylor) Müll. Arg., Flora, Regensburg 64(6): 87 (1881)Psora speirea (Taylor) C.W. Dodge, Beih. Nova Hedwigia 12: 232 (1964)