The hedgehog footed through the knotgrass slowly, grubbing with his snout to right and left of him.
""Wee Tim'rous Beasties"" by Douglas English
Knotgrass, hinders growth, 225.
"Folk-lore of Shakespeare" by Thomas Firminger Thiselton-Dyer
Grim had then to go where flags and knotgrass pricked tiny, almost invisible holes in the ice.
"Grim: The Story of a Pike" by Svend Fleuron