Synonymy:
Lichen caninus var. rufescens Weiss, Plant. Cryptog.-Fl. Goettingens: 79 (1770)
Lichen rufescens (Weiss) Neck. [as 'ruffescens'], Method. Muscor. (Manhemii): 79 (1771)
Peltidea rufescens (Weiss) Ach., Methodus qua omnes detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius: 285 (1803)
Peltidea canina var. rufescens (Weiss) Wahlenb., Fl. Suec. 2: 842 (1826)
Peltigera canina var. rufescens (Weiss) Mudd, Man. Brit. Lich.: 82 (1861)
Peltigera canina subsp. rufescens (Weiss) Lamy, Bull. Soc. Bot. France 25(5): 378 (1880) [1878]

Peltigera canina var. coriacea Kremp., Denkschr. Kgl. Bayer. Bot. Ges., Abt. 2 4(2): 124 (1861)

Position in classification:
Peltigera, Peltigeraceae, Peltigerales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi

Note:
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