Leymus and Cyrtomium, are native to which mutual location?
Leymus Leymus is a genus of plants in the grass family Poaceae (Gramineae). It is widespread across Europe, Asia, and the Americas.
Elytrigia Elytrigia is a genus of about 20–40 species of grasses, native to temperate regions of the Old World, in Europe, Asia, and northwest Africa. The species are sometimes included in the related genera "Agropyron" or "Elymus", while species in the genera "Pascopyrum" and "Pseudoroegneria" are included in "Elytrigia" by some authors. The genus name has also been spelled Elytrigium.