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.