APPENDIX I 



SUMMARY AND RELATIONS OF THE PLANT 

 COMMUNITIES OF THE PEAK DISTRICT 



1. THE PLANT FORMATION OF CALCAREOUS 

 SOILS (CALCARION) 



Group of Associations 



Chief Associations 



Subordinate Associations 



Ash wood (Fraxinetum 

 excelsioris) 



Calcareous grassland 

 (Festucetum ovinae) 



Vegetation of screes and 

 rocks 



Limestone swamps 



Progressive scrub 

 Retrogressive scrub 



Calcareous heath 



grassland 

 Calcareous heath 

 Vegetation of swamps 

 Vegetation of " rakes " 

 Vegetation of screes 

 Vegetation of rocks 



Ash Wood 



/ ^ 



Retrogressive scrub Progressive scrub 



X S 



Calcareous Pasture 



I 



Calcareous Heath Pasture 



I 



Calcareous Heath 



c 

 04 



