Conyza Less.
Flower heads pedunculate; plants not woolly Conyza
Involucral bracts hairy. Stems hispid
Pappus white or pink, c. 3 mm long. Involucral bracts pale inside. Heads numerous in a pyramidal or corymb-like panicle. Erect perennial up to c. 1 m high. Widespread. Weed of cultivation and waste places. Introd. from N. America. Fl. most of the year. Flaxleaf Fleabane Conyza bonariensis
Pappus straw-coloured, c. 3 mm long. Involucral bracts reddish-brown inside. Heads in an extensive panicle. Erect perennial up to c. 2 m high. Widespread. Weed of cultivation and waste places. Introd. from N. America. Fl. most of the year. Tall Fleabane Conyza sumatrensis