Synonymy:
Collema polycarpon Hoffm., Deutschl. Fl., Zweiter Theil (Erlangen): 102 (1796) [1795]
Lichen polycarpon (Hoffm.) Ach. [as 'polycarpus'], Lich. suec. prodr. (Linköping): 135 (1799) [1798]
Lecanora polycarpa (Hoffm.) Flörke, Deutsche Lich. 5: 9 (1819)
Parmelia multifida var. polycarpon (Hoffm.) Schaer., Lich. helv. spicil. 11: 532 (1842)
Collema fasciculare var. polycarpon (Hoffm.) Torss., Enum. Lich. Byssac. Scandin. (Upsaliae): 52 (1843)
Collema multifidum var. polycarpon (Hoffm.) Rabenh., Deutschl. Krypt.-Fl. (Leipzig) 2(1): 51 (1845)
Collema melaenum var. polycarpon (Hoffm.) Nyl., Syn. meth. lich. (Parisiis) 1(1): 109 (1858)
Collema plicatum var. polycarpon (Hoffm.) Kremp. [as 'polycarpum'], Denkschr. Kgl. Bayer. Bot. Ges., Abt. 2 4: 93 (1861)
Lathagrium polycarpon (Hoffm.) Arnold, Verh. Kaiserl.-Königl. zool.-bot. Ges. Wien 21(3-4): 1135 (1871)
Synechoblastus polycarpus (Hoffm.) Dalla Torre & Sarnth., Fl. Tirol, Vorarlberg, Liechtenstein, IV Band. Die Flechten von Tirol: 575 (1902)
Collema pulposum var. polycarpon (Hoffm.) Boistel [as 'polycarpum'], Nouv. Fl. Lich. (Paris) 2: 306 (1903)
Eucollema polycarpon (Hoffm.) Horw., Hand-list Lich. Gr. Brit.: 6 (1912)

Lathagrium orbiculare f. corcyrense Arnold, Flora, Regensburg 70(10): 152 (1887)
Collema polycarpon f. corcyrense (Arnold) Harm., Lich. Fr. 1: 93 (1905)
Lathagrium orbiculare var. corcyrense (Arnold) Zahlbr., Cat. Lich. Univers. 3: 45 (1924) [1925]
Collema polycarpon var. corcyrense (Arnold) Degel., Symb. bot. upsal. 13(no. 2): 227 (1954)
Collema polycarpon subsp. corcyrense (Arnold) Pišút, Annot. Zool. Bot. Bratislava 50: 2 (1968)
Enchylium polycarpon subsp. corcyrense (Arnold) Cl. Roux, in Roux et al., Bull. Soc. Linn. Provence 74: 124 (2023)

Position in classification:
Enchylium, Collemataceae, Peltigerales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi

Note:
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