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