Arnoseris is a monotypic genus of flowering plants in the family Asteraceae.

[2][3][4] The only known species is Arnoseris minima, native to Europe, Morocco, and the Middle East; naturalized in parts of northeastern North America (Nova Scotia, New Brunswick, Prince Edward Island, Maine, New Hampshire, Pennsylvania, Ohio, Michigan).

[5][6] Common names in the United States: dwarf nipplewort or lamb-succory.

[11] Arnoseris minima is an annual weed of cornfields and fallow fields, favouring infertile, sandy, acidic soils.

[13] The genus Arnoseris comes from the Ancient Greek 'arnos seris' meaning 'sheep's endive'.