Geografiska Annaler 1922 



PLATE 6. 



The occurrences of certain species in North-Western Europe. 



o SENECIO INTEGRIFOLIUS; 

 O TRIFOLIUM ALPESTRE. 



+ ALLIUM MONTANUM; 



• POTENTILLA ARENARIA; 



• PRUNELLA GRANDIFLORA; 



Occurrences east of the limits in North Germany are not marked. 



