Synonymy:
Sphaeria byssacea Weigel, Observ. Bot.: 42 (1772)
Verrucaria byssacea (Weigel) Ach., K. Vetensk-Acad. Nya Handl. 30(3): 153 (1809)
Pyrenotea byssacea (Weigel) Torss., Bot. Notiser(3): 43 (1843)
Thrombium byssaceum (Weigel) Schaer., Enum. critic. lich. europ. (Bern): 223 (1850)
Lecanactis biformis f. byssacea (Weigel) Zwackh, Flora, Regensburg 45(33): 524 (1862)
Arthonia byssacea (Weigel) Almq., K. svenska Vetensk-Akad. Handl., ny följd 17(no. 6): 25 (1880)
Lecanactis byssacea (Weigel) Arnold, Flora, Regensburg 67(30): 594 (1884)
Opegrapha byssacea (Weigel) M. Choisy, Bull. mens. Soc. linn. Soc. Bot. Lyon 19(1): 10 (1950)

Position in classification:
Inoderma, Arthoniaceae, Arthoniales, Arthoniomycetidae, Arthoniomycetes, Ascomycota, Fungi

Note:
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