Annuals, biennials, or perennials (monocarpic). Leaf blades 70-200 × (5-)20-40 mm, margins of basal usually pinnately lobed, lobes ± linear. Involucres 7-20 × 6-12+ mm. Phyllaries deltate to lanceolate, ± arachnose. Cypselae 8-17 mm (± stipitate); pappi 8-17 mm. 2n = 14. Flowering May-Jul. Disturbed sites; 1000-1800 m; introduced; Colo., Kans., Mont., Nebr., N.Mex., Tex., Wyo.; Europe.