著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Cobb, Boughton",A field guide to ferns and their related families northeastern and central North America : with a section on species also found in the British Isles and western Europe,,Houghton Mifflin,1956,The Peterson field guide series,,0395975123,,https://cir.nii.ac.jp/crid/1130282272755477888