This name is a synonym of Sclerolaena muricata var. villosa (Benth.) Ulbr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 7202165) with original publication details: Biblioth. Bot. 89: 69 1921.
This name was in version 1 of The Plant List, record tro-7202165.