Citation: Cronq., Bull. Torrey Bot. Club 70:632 (1943).

Synonymy: Erigeron bonariensis L., Sp. Pl. 863 (1753); E. crispus Pourret, Mém. Acad. Toul. 3:318 (1788); E. linifolius Willd., Sp. Pl. 3:1955 (1803); C. ambigua DC., Fl. Franc. 468 (1815).

Common name: Flaxleaf fleabane, tall fleabane.

Description:
Annual herb to 1 m high; stem erect, robust, sparsely branched, green, striate, hispid; basal leaves petiolate, elliptic to oblanceolate, 4-9 cm long, 5-15 mm wide, appressed-pubescent, shallowly dentate; upper leaves sessile, narrow-elliptic to linear, 2-6 cm long, 2-6 mm wide, appressed-pubescent, entire.

Achenes elliptic, c. 1 mm long, pale, pubescent, pappus bristles free, white to pale-pink, c. 3 mm long.

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 662.

Distribution:  Weed of cultivation, pasture and waste land.   All States.   Native to South America. Conservation status: naturalised Flowering time: most of the year.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: The commonest species of Conyza in S.Aust., and a frequent weed in pastures, where it is unpalatable to stock and competes with more valuable plants.

Author: Not yet available