This name is a synonym of Avena sativa var. cinerea (Körn.) Vascon..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25559911) with original publication details: Handb. Getreidebaues 1: 210 1885.
This name was in version 1 of The Plant List, record tro-25559911, and has not been changed.