Scleranthus, the knawels, are a genus of herbaceous plants in the carnation family.
- Scleranthus annuus L. (German-knotweed, knawel or annual knawel), native to Africa, Europe, Asia and naturalised elsewhere.
- Scleranthus biflorus (J. R. Forst. & G. Forst.) Hook.f., native to Australia and New Zealand (Knawel, Cushion-bush or Two-flowered Knawel)
- Scleranthus diander R.Br.(Tufted knawel), native to Australia
- Scleranthus minusculus F.Muell., native to Australia
- Scleranthus perennis (Perennial Knawel)
- Scleranthus pungens R.Br., native to Australia
- Scleranthus singuliflorus (F.Muell.) Mattf. (One-flowered Knawel), native to higher alpine areas in Australia
- Scleranthus. PlantNET - New South Wales Flora Online. Royal Botanic Gardens & Domain Trust. Retrieved on 2008-02-23..
- Scleranthus. Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved on 2008-02-23..
- Genus: Scleranthus L.. Germplasm Resources Information Network (GRIN). United States Department of Agriculture, Agricultural Research Service, Beltsville Area. Retrieved on 2008-02-23..