⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-100359036, with some changes.
This name is a synonym of Sisymbrella aspera subsp. praeterita Heywood.
The record derives from Tropicos which reports it as a synonym (record 100359036) with original publication details: Butl. Inst. Catalana Hist. Nat. 38(1): 75 75 1974.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:879318-1.