Each seed of the wild oat plant (Avena sterilis) is contained within a husk with two long arms known as sister awns, which protrude out to one end.

The traditional Avena fatua spring species accounted for 70% of the samples, with the winter wild oat (Avena sterilis subspecies ludoviciana) ...

This new winter-emerging wild oat, Avena sterilis (subspecies ludoviciana), was first recorded in 1910-12 in the UK, probably in contaminated imported grain from the Mediterranean area, and was ...

Figure F. Avena sterilis (Poaceae). Collection: Asplund 8229, Brazil, Santa Catarina; spikelet. Artist: Pasquale, Cathy A. - 1976. ... Avena sativa L. Danthonia secundiflora J. Presl Amphibromus ...

Blackgrass, an annual grass that is non-native to Ireland, has been designated as a noxious weed for the first time. Agriculture Minister Martin Heydon has listed blackgrass in a new statutory ...