⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-25550740, with some changes.
This name is a synonym of Phragmites australis subsp. altissimus (Benth.) Clayton.
The record derives from Tropicos which reports it as a synonym (record 25550740) with original publication details: Lejeunia 120: 139 139 1987.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:953383-1.