This name is a synonym.
* Orchis expansa Ten., Index Seminum (NAP, Neapolitano) 1829: 17 (1829).
Orchis papilionacea var. expansa (Ten.) Lindl., Gen. Sp. Orchid. Pl.: 267 (1835).
Orchis rubra var. expansa (Ten.) Lindl., Gen. Sp. Orchid. Pl.: 266 (1835).
Orchis papilionacea subsp. expansa (Ten.) Guadagno, Bull. Orto Bot. Regia Univ. Napoli 7: 122 (1924).
Herorchis papilionacea subsp. expansa (Ten.) D.Tyteca & E.Klein, J. Eur. Orch. 40: 541 (2008).
Vermeulenia papilionacea var. expansa (Ten.) P.Delforge, Naturalistes Belges 91: 247 (2010).
* Basionym/Replaced Synonym