Rat's tail fescue

Vulpia myuros


A competitive and invasive arable weed which has been reported more frequently in recent seasons.


A tufted annual grass reaching heights of up to 70 cm.


Short 0.1 – 1 mm, flat and ragged.



Leaf blade

Fine, narrow glossy leaves, up to 15 cm in length and 0.5 – 3 mm wide.  Emerging leaves are rolled in the bud.

Dense `rat`s-tail` panicles, one-sided with spikelets 7 – 10 mm long (without including awns), 3 – 6 flowered with long awns up to 15 mm in length.

Rat's tail fescue 1Rat's tail fescue © Blackthorn arable.
Rat's tail fescue 2Rat's tail fescue © Blackthron arable.