Leaves 7-15-lobed. Pappi of 10-12, 3-5-aristate scales 2-3.5 mm. 2n = 16, 24, 32, 40. Flowering early spring-late fall. Heavy soils or loams or sands, often with limestone, frequently ruderal along roadways and in other disturbed places; 0-300 m; Tex.; Mexico (Tamaulipas); introduced in West Indies, Asia, Africa. Variety tenuiloba is relatively recently adventive in Alabama, Florida, Louisiana, Mississippi, Bahamas, West Indies (Cuba), Asia, and Africa.

The names Dahlberg daisy and golden fleece are recent coinages applied to cultivars of var. tenuiloba in the horticultural trade.