OUREN, T. The concept common species exemplified from records of vascular plants in the Gaula valley area in Sør-Trøndelag, Norway. Fennia - International Journal of Geography, [S. l.], v. 159, n. 1, 1981. Disponível em: https://fennia.journal.fi/article/view/9143. Acesso em: 18 may. 2024.