Synonymy:
Lichen aphthosus L. [as 'aphtosus'], Sp. pl. 2: 1148 (1753)
Lichen caninus [unranked] aphthosus (L.) Weiss, Plant. Cryptog.-Fl. Goettingens: 80 (1770)
Lichen caninus var. aphthosus (L.) Weiss, Pl. crypt. fl. Gott.: 80 (1770)
Peltidea aphthosa (L.) Ach., Methodus qua omnes detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius: 287 (1803)
Chloropeltis aphthosa (L.) Clem., Gen. fung. (Minneapolis): 174 (1909)
Chloropeltigera aphthosa (L.) Gyeln., Annls Mus. natn. Hung., Pars bot. 28: 279 (1934)

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

Note:
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