Receptacular paleae 5-7+ mm. Ray corolla laminae 8-14+ mm. Disc corollas 4-5 mm. Cypselae 4-5 mm. 2n = 30 (from India). Flowering summer-fall. Disturbed sites; 10-200+ m; introduced; Ont.; Ark., Calif., Conn., Fla., Ill., Kans., Md., Mass., Mich., N.Y., Ohio, Pa., Tenn., Va.; Africa; also introduced in Asia. In the flora area, Guizotia abyssinica has been recorded sporadically at widely scattered stations (evidently often from birdseed wastes); it may be persistently established at relatively few stations.