University of Missouri Extension

IPM1024, Revised October 2010

Identifying Grass Seedlings

Little barley (Hordeum pusilum)

Winter annual grasses

Description

Little barley has erect stems and grows approximately 2 feet high. The round sheath is smooth or may have short, spreading hairs. Leaf blades are flat, smooth or somewhat rough and 2–5 mm wide. Auricles are absent, and the ligule is a short membrane.

Mature little barleyMature little barley.
 

Collar region SeedheadCollar region: short, membranous ligule.
Right, seedhead.
 

Habitat

Little barley grows most often in open and disturbed areas such as crop fields, but it also appears in pastures, fallow fields and rights-of-way.

Distribution

Little barley is found throughout much of the United States. In Missouri, it is most commonly encountered north of the Missouri River and in wheat-producing areas.

Similar species

Foxtail barley is closely related, but it has a perennial life cycle and can reach slightly greater heights.

IPM1024 Identifying Grass Seedlings | University of Missouri Extension

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