Branching annual, 0.5–2.5 dm, generally diffuse; stem densely and often rather loosely white-woolly, the lvs sparsely so; lvs numerous, mainly or wholly cauline, linear or oblanceolate, to 4 cm × 5 mm; heads glomerate in numerous small clusters in the axils and at the ends of the branches, overtopped by their subtending lvs; invol 2–3 mm, woolly at base, its bracts greenish or brown, often paler at the tip, not much imbricate, acute, or the outer obtuse; achenes papillate or smooth; 2n=14. Streambanks and waste places, wet or dry; a European weed, now established nearly throughout our range, n. to Nf. and w. to B.C. July–Oct.
Damp places in sandy fields, heaths, waysides etc, on acid soils.
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