Ísland

For the record, that beautiful purple flower—Nootka lupine—is actually an introduced species in Iceland from North America. It spread more extensively than intended, displacing native flora in areas.

More info: Here in the shadow of Eldfell, the plant community is dominated by Nootka lupine (Lupinus nootkatensis). Because of its ability to fix nitrogen, grow quickly, and persist during droughts, Nootka lupine was introduced throughout Iceland to help prevent the erosion of loose, volcanic soil and accelerate land reclamation and reforestation. However, these same traits have helped it become a harmful invasive species. In many areas, control efforts are needed to prevent Nootka lupine from further establishing.Read more