Tussilago frigida Linnaeus, Species Plantarum 2: 865. 1753.

"Habitat in Alpium Lapponiae, Helvetiae, Sibiriae convallibus." RCN: 6265.

Lectotype (Toman in Folia Geobot. Phytotax. 7: 389. 1972): Herb. Linn. No. 995.17 (LINN; iso- LAPP?) .

Current name: Petasites frigidus (L.) Fr. ( Asteraceae).