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.
Ceratophyllum submersum Ceratophyllum submersum, commonly known as the soft hornwort, is a species of "Ceratophyllum". It is a submerged, free-floating aquatic plant. It has been reported from Europe, Central Asia, northern Africa, scattered places in tropical Africa, Turkey, Oman, Florida, and the Dominican Republic.