KETTUNEN, T.; UOTILA, P. Morphological variation and a new variety of Gymnadenia conopsea (Orchidaceae) in Finland. Memoranda Societatis pro Fauna et Flora Fennica, [S. l.], v. 95, p. 89–99, 2019. Disponível em: https://journal.fi/msff/article/view/84649. Acesso em: 19 huhti. 2024.