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Marram grass is a species of perennial grass, used to prevent or stop erosion of dunes. It is a sand-binder and dune-builder and has shallow roots and a coarse, stiff structure.
There are three types of Marram grass:
- North American Marram grass Ammophila breviligulata
- English Marram grass Ammophila arenaria
- Hybrid Marram grass Calammophila baltica - a hybrid from the first two.
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