Achyrophorus microcephalus Schultz-Bipontinus, Jahresber. Pollichia 16–17: 59. 1859

Varieties 2 (1 in the flora): introduced; South America.

Hypochaeris microcephala is distinguished by the perennial habit, presence of cauline leaves, relatively small heads, and white corollas. It is most similar to H. chillensis; it usually has smaller heads with fewer florets and glabrous phyllaries.