Elymus repens
Scientific classification
Kinrick: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Faimily: Poaceae
Genus: Elymus
Species: E. repens
Binomial name
Elymus repens
Synonyms

Elymus repens, commonly kent as couch girse, pirl girse or ronnach is a very common perennial species o girse hamelt in maist o Europe, Aisie, the Arctic biome, an northwast Africae.