⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35107565, with some changes.
This name is a synonym of Philonotis calcarea f. mollis .
The record derives from Tropicos which reports it as a synonym (record 35107565
) with original publication details: Atti Soc. Crittog. Ital. 3: 176 176 1884.