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Flora

Vegetation in Iceland

There are two major types of tundra, the arctic and the alpine. Iceland belongs to the Subarctic with milder climate and strong oceanic effects. The northern limits of plant growth occur in the high arctic Tundra, the dominant vegetation is shrubby or mat-forming vegetation. We are at the timberline and our vegetation is sometimes defined as Taiga, while lacking coniferous boreal forests. The dominant woody species here is Icelandic birch (Betula pubescens). The only native conifer being Common Juniper (Juniperus communis). Some areas in Iceland belong to the Arctic in terms of vegetation and geological formations. This is true also of the northernmost parts of Iceland, high montane vegetation and the interior highlands.

The dominant plants are birches and willows.



Orchids in Iceland

Platanthera hyperborea Heath Spotted-orchid

Orchids in Iceland are perennial and grow best on humus-rich soils. The seeds are small and require a special fungus to germinate. Some orchids are parasitic having little or no chlorophyll. One of the orchids growing in Iceland - Coralroot Orchid lacks chlorophyll.
You find here six species of orchids, e.g. Common and Lesser Twayblade, The Northern Butterfly Orchid, The White Frog Orchid, Heath Spotted Orchid, Coralroot Orchid, Northern Marsh Orchid.



Cottongrass


Sources:

www.eco-logy.com








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