Lichen paschalis Linnaeus, Species Plantarum 2: 1153. 1753.

"Habitat in Helvetiae, Italiae, Cambriae, Lapponiae, Scaniae, Groenlandiae, Pensylvaniae alpestribus." RCN: 8242.

Lectotype (Lamb in J. Hattori Bot. Lab. 43: 200. 1977): Herb. Linn. No. 1273.259, lowermost specimen (LINN) .

Current name: Stereocaulon paschale (L.) Hoffm. ( Stereocaulaceae).

Note: See extensive review by Jørgensen & al. (in Bot. J. Linn. Soc. 115: 335, 379, f. 46. 1994).