Acorus calamus Linnaeus var. vulgaris Linnaeus, Species Plantarum 1: 324. 1753.

"Habitat in Europae, fossis paludosis." RCN: 2527.

Type not designated.

Original material: Herb. Clifford: 137, Acorus 1 (BM) ; [icon] in Morison, Pl. Hist. Univ. 3: 246, s. 8, t. 13, f. 4. 1699.

Current name: Acorus calamus L. ( Acoraceae).