Family: Asteraceae Conyza canadensis     *     Canadian Fleabane Flowering time: June-October. Annual. Habitat: Introduced, spreading on waste and arable ground, dunes, gardens and on roadsides. Heads of small groundsel-like flowers, ray-florets whitish, the disc-florets yellow with 4 lobes. Calyx hairs sparse or absent. Pale-green narrow leaves, margins with well-spaced hairs, on erect, slightly hairy stems to 1m. Similar: Bilbao Fleabane, C. floribunda. Taller with brittle stems to 140cm and over-wintering leaf rosettes. Corolla usually 5-lobed, stem leaves more deeply toothed

     






Canadian Fleabane, Conyza canadensis
Holton Lee, Dorset. October 2012