Malaxis monophyllos (L.) Sw.

Ophrys monophyllos L. Basionym,

Microstylis monophyllos (L.) Lindl. ,

Achroanthes monophylla Greene ,

Liparis japonica (Miq.) Maxim.

Purvāju vienlape Latvian,

ainulehine soovalk Estonian,

ainulehine sookäpp Estonian,

knottblom Norwegian Bokmål,

knottblomst Norwegian Bokmål,

knottblom Norwegian Nynorsk