*1:See eg. 倉重祐二「ビヨウヤナギ」https://www.shuminoengei.jp/m-pc/a-page_p_detail/target_plant_code-924 https://ja.wikipedia.org/wiki/%E3%83%93%E3%83%A8%E3%82%A6%E3%83%A4%E3%83%8A%E3%82%AE
*2:See also https://sumita-m.hatenadiary.com/entry/2020/07/19/165757 https://sumita-m.hatenadiary.com/entry/2021/01/12/091129 https://sumita-m.hatenadiary.com/entry/2021/04/08/151840 https://sumita-m.hatenadiary.com/entry/2021/06/01/000800 https://sumita-m.hatenadiary.com/entry/2021/10/02/092229 https://sumita-m.hatenadiary.com/entry/2021/10/24/105004 https://sumita-m.hatenadiary.com/entry/2021/11/03/223247 https://sumita-m.hatenadiary.com/entry/2022/03/15/230454 https://sumita-m.hatenadiary.com/entry/2022/05/28/161708
