Heather moor containing ling , bell heather , cross @-@ leaved heath , bog myrtle and fescues is everywhere abundant . The high Black Cuillins weather too slowly to produce a soil that sustain a rich plant life , but each of the main peninsulas have an individual flora . The basalt underpinnings of Trotternish produce a diversity of Arctic and alpine plants including alpine pearlwort and mossy cyphal . The low @-@ lying fields of Waternish contain corn marigold and corn spurry . The sea cliffs of Duirinish boast mountain avens and fir clubmoss . Minginish produce fairy flaxed , cats @-@ ear and black bog rush . There is a fine example of Brachypodium @-@ rich ash woodland at Tokavaig in Sleat incorporating silver birch , hazel , bird cherry , and hawthorn .