blackgrass
Etymology
From black + grass.
blackgrass means alopecurus myosuroides, a weed that harms wheat crops. Lexicurio rates it Sui generis — a strength score of 90 out of 100.
noun
- Alopecurus myosuroides, a weed that harms wheat crops.
- Juncus gerardii, a salt marsh plant used for facing dikes.