Synonymy:
Lichen resupinatus L., Sp. pl. 2: 1148 (1753)
Peltigera resupinata (L.) Schrad., Spicil. fl. germ. 1: 100 (1794)
Peltigera tomentosa var. resupinata (L.) Raeusch., Nomencl. bot., Edn 3: 327 (1797)
Peltidea resupinata (L.) Ach., Methodus qua omnes detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius: 289 (1803)
Nephromium resupinatum (L.) Schaer., Enum. critic. lich. europ. (Bern): 18 (1850)
Opisteria resupinata (L.) Vain., Ark. Bot. 8(no. 4): 93 (1909)
Ornatinephroma resupinatum (L.) Gyeln., Annls Mus. natn. Hung., Pars bot. 28: 279 (1934)

Peltigera tomentosa Hoffm., Deutschl. Fl., Zweiter Theil (Erlangen): 108 (1796) [1795]
Peltigera resupinata var. tomentosa (Hoffm.) DC. & Lam., in Lamarck & de Candolle, Fl. franç., Edn 3 (Paris) 2: 407 (1805)
Parmelia tomentosa (Hoffm.) Wallr., Fl. crypt. Germ. (Norimbergae) 1: 510 (1831)
Nephroma resupinatum var. tomentosum (Hoffm.) Rabenh., Deutschl. Krypt.-Fl. (Leipzig) 2(1): 68 (1845)
Nephroma tomentosum (Hoffm.) Flot., Jber. schles. Ges. vaterl. Kultur 28: 122 (1850)
Nephromium tomentosum (Hoffm.) Nyl., Mém. Soc. Imp. Sci. Nat. Cherbourg 5: 101 (1858) [1857]
Nephromatomyces tomentosa (Hoffm.) E.A. Thomas, Beitr. Kryptfl. Schweiz 9(no. 1): 176 (1939)

Nephromiomyces resupinati E.A. Thomas ex Cif. & Tomas., Atti Ist. bot. Univ. Lab. crittog. Pavia, sér. 5 10(2): 267 (1954)

Position in classification:
Nephroma, Nephromataceae, Peltigerales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi

Note:
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