*Conyza canadensis (L.) Cronq.canadensis

Stems conspicuously hairy. Leaves oblong to linear, up to 10 cm long, lower ones toothed. Heads in spreading panicles. Inner surface of the involucral bracts brownish, without a red spot at the apex. Pappus cream. Erect annual up to 1.5 m high. Widespread. Weed of cultivation and waste places. Introd. from N. America. Fl. most of the year. Canadian Fleabane