Plants : PoaceaeFerns and Flowering Plants

Elytrigia repens (L.) Desv.

Common Couch

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Elytrigia repens

Description: Well-known to gardeners as a pernicious weed, and also known as scutch-grass. Outside gardens and other cultivated places it is a very common species in the wild, especially in coarse and ungrazed grassy places, and along the upper seashore where it forms a distinct zone or band. It cannot withstand grazing, mowing or tilling of the ground. Plants on the seashore can be very glaucous (blue-green in colour).

Also known as Agropyron repens and Elymus repens.

All names: Elytrigia repens (L.) Desv.; Elymus repens (L.) Gould; Agropyron repens (L.) Beauv.; Triticum repens L.

Distribution Map from NBN: Elytrigia repens at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Elytrigia repens at iNaturalist World Species Observations database.

 Hackney, P., 2026. Elytrigia repens. (L.) Desv.. [In] Flora of Northern Ireland.
https://habitas.org/flora/species.php?item=2595. Accessed on 2026-11-02.