Quercus imbricaria, a deciduous tree of the red oaks, native primarily to the Midwestern and Upper South regions of North America, and most commonly found growing in uplands with good drainage.

Any thistle of genus Carduus found along a shore, known to cause poisoning of ruminants. / A thistle of the species Carduus tenuiflorus.

plural of sweet-william

Alternative form of Taocheng