Missouri Plants Barnyard Grass   (Echinochloa crusgalli) Tracheophyta: Angiosperm: Monocot: Grass (Poaceae) Non-native from Europe Habitat: fields and waste places. ID Features: wide leaves, brown seeds. Natural History: Barnyard grass is a wet soil grass that produces seeds that are valuable to wildlife. It is an invasive and problem weed in the west.
The information is from: Weeds by Alexander C. Martin, Golden Press, New York, ©1972.