Verbesina prostrata Linnaeus, Sp. Pl. 2: 902. 1753; Eclipta alba (Linnaeus) Hasskarl

Leaf blades 2–10 cm × 4–30+ mm. Ray laminae ca. 2 mm. Disc corollas ca. 1.5 mm. Cypselae ca. 2.5 mm. 2n = 22 (as E. alba).

Flowering year round, mostly summer–fall. Wet places, often ruderal; 60–1600 m; Ont.; Ala., Ariz., Ark., Calif., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Pa., S.C., S.Dak., Tenn., Tex., Va., W.Va., Wis.; Mexico; West Indies; Central America; South America; introduced in Europe, Asia, Africa, Pacific Islands, Australia.