Lichen parellus Linnaeus, Systema Naturae, ed. 12, 2: 710; Mantissa Plantarum: 132. 1767.

"Habitat in Muris." RCN: 8180.

Lectotype ( Jørgensen & al. in Bot. J. Linn. Soc. 115: 334. 1994): [icon] " Lichenoides leprosum tinctorium, scutellis lapidum cancri figura" in Dillenius, Hist. Musc.: 130, t. 18, f. 10. 1741. - Epitype ( Jørgensen & al. in Bot. J. Linn. Soc. 115: 379. 1994): Herb. Dillenius Tab. XVIII, No. 10, lower central specimen (OXF) .

Current name: Ochrolechia parella (L.) A. Massal. ( Pertusariaceae).