Characteristics
Classification
Citation
SONCHUS ASPER (Linnaeus) Hill, Herb. Brit. 1: 47. 1769.
Sonchus oleraceus Linnaeus, var. asper Linnaeus 1753.
Without data, Herb. Burser VI: 14 (lectotype: UPS). Lectotypified by Boulos, in C. E. Jarvis & Turland, Taxon 47: 368. 1998.