⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50086334, with some changes.
This name is a synonym of Calystegia spithamaea var. pubescens (A. Gray) C.F. Reed.
The record derives from Tropicos which reports it as a synonym (record 50086334) with original publication details: Manual (ed. 5) 376 376 1867.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:273952-2.