180 ' VEGETATION OF THE PEAK DISTRICT [CH. 



Occasional 



Cladonia spp. Potentilla erecta 



Lecanora sp. Calluna vulgaris var. Erikae 



Dicranum scoparium Molinia caerulea 



Campylopus flexuosus Festuca ovina 



Webera nutans Nardus stricta 



Plagiothecium undulatum Scirpus caespitosus 



Blechnum Spicant Pyrola media 



Lycopodium clavatum Trientalis europaea 



Nephrodium dilatatum Melampyrum pratense (agg.) 



Salix repens "Antennaria dioica" 



Betula pubescens Agrostis tennis 



Quercus sessiliflora Aira praecox 



Rumex Acetosella " Carex dioica " 



Crataegus Oxyacantha G. Goodenowii 



Pyrus Aucuparia C. flacca 



Genista anglica C. pilulifera 



Lathyrus montanus C. binervis 



Polygala serpyllacea Luzula multiflora 



Ilex Aquifolium "Listera cordata" 

 Calluna vulgaris forma incana 



Locally, in damp hollows or wherever the soil is wet and 

 badly aerated, the following additional species may occur: 



Sphagnum spp. Pinguicula vulgaris 



/ Polytrichum commune Cirsium palustre 



Hypnum spp. Agrostis canina 



Lycopodium spp. Eriophorum vaginatum 



Ranunculus Flammula E. angustifolium 



forma radicans "Scirpus pauciflorus" 



"Drosera anglica" Carex echinata 



D. rotundifolia C. curta 



"Potentilla palustris" C. Goodenowii 

 Viola palustris va r. juncella 



Hydrocotyle vulgaris C. flacca 



Andromeda Polifolia C. panicea 



Erica Tetralix C. flava 



Vaccinium Oxycoccus Juncus acutiflorus 



Pedicularis sylvatica Narthecium ossifragum 



"P. palustris" Orchis ericetorum 



