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 
Woods Ash wood (Fraxinetum 
excelsioris) 
Scrub Progressive scrub 
Retrogressive scrub 
Grassland Caleareous grassland 
(Festucetum ovinae) 
Calcareous heath 
grassland 
Calcareous heath 
Vegetation of swamps 
Vegetation of “rakes” 
Vegetation of screes and Vegetation of screes 
rocks Vegetation of rocks 
Limestone swamps 
Pai pet 
Retrogressive scrub Progressive scrub 
Calcareous Pasture 
Screes and Rocks 
“ Rakes” 
Calcareous Heath Pasture 
Calcareous Heath 
