Basionym Name:Catapyrenium alvarense Breuss, Linzer biol. Beitr. 26(2): 643 (1994)
Homotypic synonyms:Clavascidium alvarense (Breuss) M. Prieto, in Moberg, Tibell & Tibell, Nordic Lichen Flora, 1. Introductory Parts; Calicioid Lichens and Fungi (Uddevalla) 6: 56 (2017)