Byssus incanus Linnaeus, Species Plantarum 2: 1169. 1753.

"Habitat solo glareoso, ad latera fossularum, juxta vias publicas." RCN: 8409.

Lectotype (Laundon in Lichenologist 24: 333. 1992): [icon] " Byssus pulverulenta incana, farinae instar strata " in Dillenius, Hist. Musc.: 3, t. 1, f. 3. 1741. - Voucher: Herb. Dillenius (OXF). - Epitype ( Jørgensen & al. in Bot. J. Linn. Soc. 115: 271, 371. 1994): Herb. Dillenius Tab. I, No. 3 (OXF) .

Current name: Lepraria incana (L.) Ach. (Leprariaceae).

Note: Specific epithet spelled “incana” in the protologue.

See review by Jørgensen & al. (in Bot. J. Linn. Soc. 115: 271, 371. 1994).