Avena 
The genus name for range of grasses (5 species) called Oat.
Avena strigosa, Bristle oat.
Avena barbata, Slender oat.
Avena sativa, Common oat.
Avena ludoviciana, Winter wild-oat.
Avena fatua, Wild-oat.
Avena
The genus name for range of grasses (5 species) called Oat.
Avena strigosa, Bristle oat.
Avena barbata, Slender oat.
Avena sativa, Common oat.
Avena ludoviciana, Winter wild-oat.
Avena fatua, Wild-oat.