Distribution Map

Vegetative Morphology
Plants	annual; tufted.
Culms	(10)40-85 cm.
Ligules	2-6 mm, obtuse.
Blades	(2)3.5-6 mm wide.
Upper sheaths	somewhat inflated.
Reproductive Morphology
Panicles	4-12 cm long, 3-7 mm wide.
Glumes	4.5-7.5 mm, connate in the lower 1/2, sides glabrous, keels winged, ciliate, scabrous near the tip.
Lemmas	4-7 mm, connate in the lower 1/3-1/2, glabrous.
Awns	to 12 mm, geniculate, exceeding the lemmas by 3-6 mm.
Anthers	2.4-4.1 mm.

Chromosome Number(s)

2n = 14, 28

Nativity / Range

Native to Eurasia.

Typical Habitat(s)

Moist meadows, deciduous forests, and cultivated or disturbed ground.

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Additional Notes

A significant weed species in temperate cereal crops, it is one of the most damaging weeds of winter cereals in England.

Name/Synonymy Publication Info

Alopecurus myosuroides Hudson, Fl. angl. 23 (1762). TYPE: England.

Alopecurus agrestis L., Sp. pl., ed. 2, 1:89 (1762); Tozzettia agrestis (L.) Bubani, Fl. pyren. 4:274 (1901-1902) [title page 1901]. LEC: LINN 82.2; Europe; W. Hudson 29 [Cope in Cafferty, E.C. Jarvis & Turland, Taxon 49:245 (2000)].

Treatment From

W.J. Crins. Alopecurus in Flora of North America, volume 24. In prep. Oxford University Press.

Vegetative Morphology