Noun: Cirsium vulgare
- European thistle with rather large heads and prickly leaves; extensively naturalized as a weed in the United States
"Cirsium vulgare made the field difficult to traverse";
- bull thistle, boar thistle, spear thistle, Cirsium lanceolatum
Type of: plume thistle, plumed thistle
Encyclopedia: Cirsium vulgare