Template:Tsukaya, 2005a
- Tsukaya, H. 2005. Molecular variation of Spiranthes sinensis (Orchidaceae) in Japan, with special reference to systematic treatment of seasonally differentiated groups and a dwarf form, f. gracilis, from Yakushima Island. Journal of Plant Research 118(1): 13–18. DOI: 10.1007/s10265-004-0186-y
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