This name is a synonym of Typha laxmannii Lepech..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 271041) with original publication details: Fl. Brit. 3: 960 1804.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:836887-1.
This name was in version 1 of The Plant List, record kew-271041.