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The main British National Vegetation Classification communities associated with purple moor grass and rush pastures include M23 (Juncus effusus/acutiflorus-Galium palustre rush pasture), M25 (Molinia caerulea-Potentilla erecta mire), M26 (Molinia caerulea-Crepis paludosa mire) and British NVC community MG10 (Holco-Juncetum effusi rush-pasture).