Sword grass may refer to:
- Some species of grasses with blades that are sharp enough to cut human skin (this is because they contain many silica phytoliths, a hardening material in many plants. The sharp blades help to discourage herbivores from grazing (also protecting the grasses around it)), including:
- Gahnia species
- Imperata cylindrica (cogon grass)
- Poa ensiformis
- Moths and butterflies:
- Xylena exsoleta (sword-grass)
- Xylena vetusta (red sword-grass)
- Tisiphone abeona (sword-grass brown)
- Tisiphone helena (northern sword-grass brown)
This disambiguation page lists articles associated with the title Sword grass.
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