Carex | Carex sylvatica | Carex nigra | Carex lyngbyei | Carex leporina | Carex geyeri | Carex flacca | Carex echinata | The fungus forms ectomycorrhiza-like structures with the sedge ''Carex flacca | Carex utriculata | Carex rossii | Carex pilulifera | Carex otrubae | Carex inops | Carex emoryi | ''Carex binervis'' in its typical habitat, growing among ''Calluna |
Heswall Dales is regarded as the second best example (after Thurstaston Common) of lowland heath in Merseyside, hosting localised species including Western Gorse Ulex gallii, Many-stalked Spike Rush Eleocharis multicaulis and Green-ribbed Sedge Carex binervis.