Górniak, Marcin, Joanna Mytnik-Ejsmont, Piotr Rutkowski, Piotr Tukałło, Julita Minasiewicz, and Dariusz L. Szlachetko. 2006. “Phylogenetic Relationships Within the Subtribe Spiranthinae s.L. (Orchidaceae) Inferred from the Nuclear ITS Region”. Biodiversity: Research and Conservation, no. 1-2 (June):18-24. https://doi.org/10.14746/biorc.2006.1-2.5.