This name is a synonym of Gaultheria poeppigii var. nana (Sleumer) D.J.Middleton.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50080925) with original publication details: Revista Fac. Agron. Univ. Nac. La Plata 3: 547 1897.
This name was in version 1 of The Plant List, record tro-50080925.