''Erioneuron'' is a genus of New World plants in the

grass family 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 and ...

native to southern

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

and southern South America. They are sometimes called by the common name woollygrass. These are tufty grasses with hairy spikelets.Kew World Checklist of Selected Plant Families
/ref>Grass Manual Treatment
; Species * ''

Erioneuron avenaceum ''Erioneuron'' is a genus of New World plants in the grass family native to southern North America and southern South America. They are sometimes called by the common name woollygrass. These are tufty grasses with hairy spikelets.AZ NM TX), Mexico (from

Chihuahua Chihuahua may refer to: Places *Chihuahua (state), a Mexican state **Chihuahua (dog), a breed of dog named after the state **Chihuahua cheese, a type of cheese originating in the state **Chihuahua City, the capital city of the state **Chihuahua Mun ...

to Oaxaca) * '' Erioneuron pilosum'' (Buckley) Nash - hairy woollygrass - United States ( AZ NM TX OK KS CO UT NV CA), Mexico (from

to Oaxaca), Argentina,

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

; formerly included * ''Erioneuron pulchellum'' - ''

Dasyochloa pulchella ''Dasyochloa'' is a monotypic genus containing the single species ''Dasyochloa pulchella''

References

Chloridoideae Poaceae genera {{Chloridoideae-stub