''Hordeum muticum'' is a species of

wild barley ''Hordeum spontaneum'', commonly known as wild barley or spontaneous barley, is the wild form of the grass in the family Poaceae that gave rise to the cereal barley (''Hordeum vulgare''). Domestication is thought to have occurred on two occasion ...

in the grass family

Poaceae Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ...

, native to the high central Andes; Peru, Bolivia, northern Chile, and northern Argentina, and introduced to Ecuador. A diploid, its closest relative is ''

Hordeum cordobense ''Hordeum cordobense'' is a species of wild barley in the grass family Poaceae, native to northern Argentina. A diploid found below , its closest relative is ''Hordeum muticum ''Hordeum muticum'' is a species of wild barley ''Hordeum spont ...

'', a lowland species with a more southerly distribution.

References

muticum Flora of Peru Flora of Bolivia Flora of northern Chile Flora of Northwest Argentina Flora of Northeast Argentina Plants described in 1830 {{Pooideae-stub