⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-143295, and has not been changed.

Orchis sulphurea Link is a synonym of Dactylorhiza romana subsp. guimaraesii (E.G.Camus) H.A.Pedersen

This name is a synonym of Dactylorhiza romana subsp. guimaraesii (E.G.Camus) H.A.Pedersen.

The record derives from WCSP which reports it as a synonym and as an invalid name (record 143295) with original publication details: J. Bot. (Schrader) 1(3): 132 1806.