Green foxtail wani nau'in ciyawa ne wanda ke cikin jinsin Setaria. Ana yawan samunsa a Arewacin Amurka da sauran sassan duniya. Ma'anar ƙamus na kalmar "koren foxtail" zai kasance:Noun: Ciyawa na gama-gari (Setaria viridis) tare da furannin furanni masu launin kore masu kama da jela na fox. Sau da yawa ana ɗaukarsa sako kuma ana iya samunsa a cikin gonaki, lambuna, da sauran wuraren da ake tada hankali.