Man-Mō shokubutsushi = Flora of Manchuria and East Mongolia - Minami Manshū Tetsudō Kabushiki Kaisha. Kōgyōbu. Nōmuka. ([Dairen], Minami Manshū Tetsudō Kabushiki Kaisha Kōgyōbu Nōmuka, Taishō 14 [1925])
https://www.biodiversitylibrary.org/bibliography/193341