Euscaphis japonica (Thunb.) Kanitz
in China, Sichuan, Qingcheng shan, September 2005 (picutres 1 & 2) in South Korea, Jeju, Halla Arboretum, September 2011 (pictures 5, 6, 7 & 8)
Description in Anthophyta Japon. (Termesz. Fuzetek, Fasc. I, II, III) 24 (1878)