Unknown white flower June 23

Unknown white flower June 23

Observation - Unknown white flower June 23 - Global. Description: 800 m alt, on rocks or very little grass Height > 40cm Can't find in Crassulaceae - sedum or Sempervivum anything similar...

800 m alt, on rocks or very little grass

Height > 40cm

Can't find in Crassulaceae - sedum or Sempervivum anything similar...