Beih. Botan. Centralbl. 14: 124 (1903)

Basionym: Lichen furfuraceus L., Sp. Pl. 2: 1146 (1753).

Chemistry: Phosphatidylcholine, Phosphatidylethanolamine, Phosphatidylglycerol (Dembitsky et al. 1991, 1992, Huneck & Yoshimura 1996: 130). Ethyl haematommate, haematommic acid (Huneck & Yoshimura 1996: 158). ß-Orcinolcarboxylic acid (Huneck & Yoshimura 1996: 162).
Race I sensu Halvorsen & Bendiksen 1982: Physodic acid, Oxyphysodic acid" [not in Huneck & Yoshimura, taken from the internet] (Lumbsch 1984, 1 sample from Hessen, Germany).
Race II: Physodalic acid, Atranorin, Chloratranorin (from Morocco by Aoussar et al. 2017:1973).

See also:
Hawksworth, DL/ Chapman, DS 1971: Pseudevernia furfuracea (L.) Zopf and its chemical races in the British Isles. - Lichenologist 5: 51-58.