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.Kew World Checklist of Selected Plant FamiliesNash, George Valentine. 1903. Flora of the Southeastern United States 143-144Tropicos, Erioneuron Nash Jepson Manual TreatmentUSDA Plants ProfileGrass Manual Treatment
Species Erioneuron avenaceum (Kunth) Tateoka - shortleaf woollygrass - United States (AZ NM TX), Mexico (from Chihuahua to Oaxaca) Erioneuron pilosum (Buckley) Nash - hairy woollygrass - United States (AZ NM TX OK KS CO UT NV CA), Mexico (from Chihuahua to Oaxaca), Argentina, Bolivia
formerly included Erioneuron pulchellum - Dasyochloa pulchella
References