⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-29494, with some changes.

Calamus erectus var. collinus (Griff.) Becc. is a synonym of Calamus erectus Roxb.

This name is a synonym of Calamus erectus Roxb..

The record derives from WCSP which reports it as a synonym (record 29494) with original publication details: Fl. Brit. India 6: 439 1892.