LB: Dräizänn-Bouwekraut
FR: orchis tridenté
DE: Dreizähniges Knabenkraut
The three-toothed orchid owes its name to the helmet-like flower with three pointy teeth. It grows in exposed, dry short grasslands on calcareous soils. It is considered extinct in Luxembourg.
Observations on GBIF.org: green-blue: before 2005, yellow-orange: after 2005, darker colour indicates more observations.