Which kind of plant is native to more locations, Chelidonium or Kirengeshoma?
Chelidonium Chelidonium majus, commonly known as greater celandine or tetterwort,(although tetterwort also refers to "Sanguinaria canadensis"), nipplewort, or swallowwort, is a herbaceous perennial plant, the only species in the genus Chelidonium. It is native to Europe and western Asia and introduced widely in North America.
Rhododendron calendulaceum Rhododendron calendulaceum, the flame azalea, is a species of "Rhododendron" native to the Appalachian Mountains in the eastern United States, ranging from southern New York to northern Georgia.