Vainio, E. (1909). Lichenes in viciniis stationis hibernae expeditionis Vegae prope pagum Pitlekai in Sibiria septentrionali a Dre. E. Almquist collecti. Praefationem scripsit F. Almquist. Arkiv for Botanik, Band 8, No. 4: 11-175.
Thallus crustose, formed from uniform, connate verrucules or verrucose-squamulose, very sparingly granulose throughout, granules soredioid, areolate-diffract, areoles c. 1.5-4 millim. wide, c. 0.5-1 millim. thick, orange-yellow above, KHO becoming violet, white within, hypothallus indistinct.—seemingly allied with Pl. aurantiaco, but the thallus is different. Ster.
Attached to peat moor near Tjapka region together with Lecanora Behringii Nyl.