billion-dollar grass
English
Etymology
Probably so-called because of the adverse impact of Echinochloa weeds on yields rice and other crops.
Noun
billion-dollar grass (countable and uncountable, plural billion-dollar grasses)
- Any of the genus Echinochloa of barnyard grass, widely considered harmful weeds.
References
- Echinochloa on Wikipedia.Wikipedia
- Echinochloa on Wikispecies.Wikispecies
- Category:Echinochloa on Wikimedia Commons.Wikimedia Commons