Synonymy:
Opegrapha lyellii Sm., in Smith & Sowerby, Engl. Bot. 27: tab. 1876 (1808)
Graphis lyellii (Sm.) Ach. [as 'lyelli'], Syn. meth. lich. (Lund): 85 (1814)
Platygramma lyellii (Sm.) G. Mey., Nebenst. Beschäft. Pflanzenk. 1: 126 (1825)
Leiogramma lyellii (Sm.) Eschw. [as 'lyelli'], in Martius, Fl. bras. enum. pl. 1(1): 96 (1833)
Arthonia lyellii (Sm.) Nyl., Bot. Notiser(10-11): 159 (1853)
Chiographa lyellii (Sm.) Leight., Ann. Mag. nat. Hist., Ser. 2 13(no. 77): 388 (1854)
Leiophloea lyellii (Sm.) Trevis., Conspect. Verruc.: 9 (1860)
Leiorreuma lyellii (Sm.) Staiger, Biblioth. Lichenol. 85: 301 (2002)

Position in classification:
Phaeographis, Graphidaceae, Graphidales, Ostropomycetidae, Lecanoromycetes, Ascomycota, Fungi

Note:
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