This name is a synonym of Sequoiadendron giganteum (Lindl.) J.Buchholz.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 386787) with original publication details: Man. Conif. new ed.: 275 1900.
This name was in version 1 of The Plant List, record kew-2872952.