Synonymy:
Lecidea insularis Nyl., Bot. Notiser(11-12): 177 (1852)
Lecidella insularis (Nyl.) Körb., Syst. lich. germ. (Breslau): 239 (1855)
Biatora insularis (Nyl.) Müll. Arg., Mém. Soc. Phys. Hist. nat. Genève 16(2): 393 (1862)
Rimularia insularis (Nyl.) Rambold & Hertel, in Hertel, Lecideaceae exsiccatae (München) 8(nos 141-160): 9, no. 159 (1985)

Lecidea petraea var. intumescens Flörke ex Flot., Flora, Regensburg 11(2): 690 (1828)
Lecidea atroalba var. intumescens (Flörke ex Flot.) Rabenh., Deutschl. Krypt.-Fl. (Leipzig) 2(1): 84 (1845)
Lecidea confervoides var. intumescens (Flörke ex Flot.) Flot., Enum. critic. lich. europ. (Bern): 113 (1850)
Biatora intumescens (Flörke ex Flot.) Hepp, Flecht. Europ. 5: no. 258 (1857)
Lecidea intumescens (Flörke ex Flot.) Nyl., Act. Soc. linn. Bordeaux 21(4): 373 (1857) [1856]
Lecidella intumescens (Flörke ex Flot.) Arnold, Flora, Regensburg 44(32): 500 (1861)
Lecidea badia var. intumescens (Flörke ex Flot.) Hepp, Flecht. Europ.: no. 258 (1862)
Toninia intumescens (Flörke ex Flot.) Boistel, Nouv. Fl. Lich. (Paris) 2: 105 (1903)
Nesolechia intumescens (Flörke ex Flot.) Sacc. & D. Sacc., Syll. Fung. (Abellini) 18: 171 (1906)

Position in classification:
Lambiella, Trapeliaceae, Baeomycetales, Ostropomycetidae, Lecanoromycetes, Ascomycota, Fungi

Note:
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