in Hue, Rev. Bot. 5: 9 (1887) [1886-87]. Basionym: Parmelia pulverulenta var. dimidiata Arnold, Flora, Regensburg 47: 594 (1864). Distribution: Subcosmopolitic. [Central European to Mediterranean (Follmann & Mies 1988: 315)].
Basionym: Parmelia pulverulenta var. dimidiata Arnold, Flora, Regensburg 47: 594 (1864).