著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) STEYN EMA,Ovule-to-seed development in Dovyalis caffra (Salicaceae : Flacourtieae) with notes on the taxonomic significance of the extranucellar embryo sac,Bothalia,,,2005,35,,101-108,https://cir.nii.ac.jp/crid/1570572700025595008,