Elymus farctus
- Several photographs of Sand Couch Grass, previously known as Agropyron junceiforme, and a description of the plant.
- http://www.plant-identification.co.uk/skye/gramineae/elymus-farctus.htm

Elytrigia repens
- Several photographs of Couch Grass, also sometimes classified as Elymus repens, and a description of the plant.
- http://www.plant-identification.co.uk/skye/gramineae/elymus-repens.htm

Elymus caninus
- Several photographs of Bearded Couch Grass and a description of the plant.
- http://www.plant-identification.co.uk/skye/gramineae/elymus-caninus.htm