Oxyria Hill.
Engl.: mountainsorrel.
Deu.: Säuerling.
Sven.: fjällsyra.

Oxyria digyna

Oxyria digyna (L.) Hill.
Engl.: alpine mountainsorrel, mountain sorrel.
Deu.: Alpen-Säuerling.
Suom.: hapro, juomu.
Sven.: fjällsyra.
Bot. syn.: Oxyria reniformis Hook.

Oxyria reniformis:

Oxyria reniformis Hook., Polygonaceae: See Oxyria digyna (L.) Hill.

I have no articles for this botanical term, but there might be some for the next level down (if found).