Erythrochaete dentata A. Gray, Mem. Amer. Acad. Arts, n. s. 6: 395. 1858; Ligularia clivorum Maximowicz; Senecio clivorum (Maximowicz) Maximowicz

Plants often purplish-tinged, glabrous or distally unevenly hairy; rootstocks stout, fibrous-rooted. Leaves: basal blades 20–45 × 20–40 cm, bases deeply cordate. Peduncles 2–9 cm. Involucres 9–12(–20) × 16–28 mm. Phyllaries greenish-tipped. Ray corolla laminae 20–35(–50) mm. Cypselae 8–10 mm; pappi 10–12 mm. 2n = 60.

Flowering summer. Disturbed sites, abandoned plantings; 10–50+ m; introduced; Md.; Asia (China, Japan).

Ligularia dentata is commonly cultivated in eastern Canada and the United States; it sometimes persists (as in Maryland).