Knautia
Knautia is a genus in the family Caprifoliaceae. The common names of these flowers are a variant of "widow flower." Others are given the name "Scabious," although this word belongs to a related genus. The name Knautia comes from the 17th-century German botanists, Drs. Christoph and Christian Knaut.- Knautia arvensis - Meadow widow flower, blue buttons, field scabious
- Knautia carinthiaca
- Knautia drymeia - Hungarian widow flower
- Knautia kitaiebellii
- Knautia longifolia - Long leaf widow flower
- Knautia macedonica
- Knautia maxima - Forest widow flower
- Knautia norica
- Knautia persicina