Equisetum palustre Linnaeus, Species Plantarum 2: 1061. 1753.

"Habitat in Europae aquosis." RCN: 7731.

Type not designated.

Original material: Amman 60, Herb. Linn. No. 1241.5 (LINN); [icon] in Ray, Syn. Meth. Stirp. Brit., ed. 3: 131, t. 5, f. 3. 1724.

Current name: Equisetum palustre L. ( Equisetaceae).

Note: Hauke (in Nova Hedwigia 13: 106. 1966; 30: 425. 1978) noted that the material on sheet 1241.5 (LINN) belongs to E. arvense L. and so designated the diagnosis as the type. However, this is contrary to Art. 8.1.