Descr. Adumb. Plant. Lich. 2(4): 68 (1794).

Basionym: Data lacking.

Chemistry:
Race II: Norstictic acid in the medulla (Huneck & Follmann 1976: 77, Leuckert & Poelt 1978: 57). In the mediterranean area, called Psora galactina (Zahlbr.) Follm.

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