1. | Flower-head up to 10 cm long and well exserted from the leaf sheath; lower glume 2.5-5 mm long | Squirrel-tail Fescue (Vulpia bromoides) |
1. | Flower-head up to 30 cm long with its base enclosed by the leaf sheath; lower glume 0.5-2.5 mm long | 2 |
2. | Margins of the upper parts of the floret without hairs | Rat’s-tail Fescue (Vulpia myuros forma myuros) |
2. | Margins of the upper parts of the floret with short hairs | Rat’s-tail Fescue (Vulpia myuros forma megalura) |