⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2323, and has not been changed.

Acorus gramineus var. crassispadix Lingelsh. is a synonym of Acorus calamus var. angustatus Besser

This name is a synonym of Acorus calamus var. angustatus Besser.

The record derives from WCSP which reports it as a synonym (record 2323) with original publication details: Repert. Spec. Nov. Regni Veg. Beih. 12: 312 1922.