Synonymy:
Verrucaria proponens Nyl., Bull. Soc. linn. Normandie, sér. 2 2: 130 (1868)
Polyblastia proponens (Nyl.) Müll. Arg., Flora, Regensburg 65: 402 (1882)
Campylothelium proponens (Nyl.) Müll. Arg., Hedwigia 31: 286 (1892)
Polyblastiopsis proponens (Nyl.) Zahlbr., Cat. Lich. Univers. 1: 351 (1922)
Polymeridium proponens (Nyl.) R.C. Harris, Bolm Mus. paraense 'Emílio Goeldi', sér. bot. 7(2): 637 (1993) [1991]

Position in classification:
Dictyomeridium, Trypetheliaceae, Trypetheliales, Incertae sedis, Dothideomycetes, Ascomycota, Fungi

Note:
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