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 461015) with original publication details: Verh. K. K. Zool. Bot. Ges. Wien 39: 169 1889.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Typha laxmannii in version 1 of The Plant List.