Equisetum hyemale Linnaeus, Species Plantarum 2: 1062. 1753.

"Habitat in Europae sylvis, asperis, uliginosis." RCN: 7734.

Type not designated.

Original material: Clayton 657, pl. 2 (BM); [icon] in Mattioli, Pl. Epit.: 770, f. A. 1586.

Current name: Equisetum hyemale L. ( Equisetaceae).

Note: Hauke (in Amer. Fern J. 52: 59. 1962) designated 1241.7 (LINN) as a neotype but, with the existence of original material, this is contrary to Art. 9.11.