The Spores of Ferns. Rare Books Keywords: Botany ※Wellcome Collection gallery (2018-04-05): https://wellcomecollection.org/works/m44ez8fv CC-BY-4.0

The Spores of Ferns. Rare Books Keywords: Botany ※Wellcome Collection gallery (2018-04-05): https://wellcomecollection.org/works/m44ez8fv CC-BY-4.0

The Spores of Ferns. Rare Books Keywords: Botany
シダ植物の胞子
※Wellcome Collection gallery (2018-04-05): https://wellcomecollection.org/works/m44ez8fv CC-BY-4.0