⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-376904, with some changes.
This name is a synonym of Acorus calamus var. calamus .
The record derives from WCSP which reports it as a synonym (record 376904) with original publication details: Biol. Morphol. Untersuch. Wasser- Sumpfgew. 3: 10 1911.