Deutsche Lich. 4: 13 (1819).

Chemistry: Norstictic acid, atranorin (Bachmann 1962: 310 as Stereocaulon coralloides). Thallus P+ orange-brown, K+ yellow-"verdoso", atranorin, norstictic acid, stictic acid by TLC (Sópez de Silanes & Paz Bermudez 2002: 79).