Takada, Momo
Yasutaka, Tetsuo
Hayashi, Seiji
Takagi, Mai
Tagami, Keiko
Funding for this research was provided by:
JSPS KAKENHI (19J01605, 18H04141)
Article History
Received: 21 December 2021
Accepted: 9 March 2022
First Online: 25 March 2022
Competing interests
: The authors declare no competing interests.
: We comply with relevant guidelines and legislation regarding the sample collection in the present study. The plant species in the study are not endangered. The edible wild plant samples, udo, fatsia sprout, koshiabura, and western bracken fern in 2018–2019 collected in Kawamata town and Iitate village, were collected by local residents as part of their wild foods collection activities, and we do not own the measurement samples. The samples of giant butterbur and butterbur scape in 2012–2019 collected on the campus of QST in Chiba Prefecture are stored in QST. Voucher specimens of plant materials in the present study do not exist.