Homotypic Synonyms See Note

Basionym Name:
Diorygma socotranum Müll. Arg., Proc. R. Soc. Edinb. 11: 468 (1882)

Homotypic synonyms:
Acanthothecis socotrana (Müll. Arg.) Staiger & Kalb, [as 'socotrina'], in Staiger, Biblthca Lichenol. 85: 82 (2002)
Graphina socotrana (Müll. Arg.) Müll. Arg., [as 'socotrina'] Flora, Regensburg 65: 385 (1882)
Graphis socotrana (Müll. Arg.) Stizenb., Ber. Tät. St Gall. naturw. Ges.: 187 (1891)