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
"Verdcourt, Bernard and Royal Botanic Gardens, Kew and East African Herbarium",Osmundaceae,,Published on behalf of the East African governments by Balkema,1999,Flora of tropical East Africa,,906191387X,,https://cir.nii.ac.jp/crid/1130282269224501632