Leymus and Cyrtomium, are native to which mutual location?
Cyrtomium Cyrtomium is a genus of about 15-20 species of ferns in the family Dryopteridaceae, native to Asia, Africa (including Madagascar), and the Pacific Ocean islands (Hawaii). It is very closely related to the genus "Polystichum", with recent research suggesting it should be included within it (Little & Barrington).
Lomatogonium Lomatogonium is a genus of 18 species in the family Gentianaceae, found in cool temperate to subarctic regions of Asia, with two species ("L. carinthiacum", "L. rotatum") also in Europe and one species ("L. rotatum") also in North America. By far the highest diversity is in China, with 16 species.