Verbatim text: Hultén, E. 1956. The Cerastium alpinum complex. A case of world-wide introgressive hybridization. Svensk Bot. Tidsk. 50: 411–495.
Author: Hultén, E.
Year: 1956
Title: The Cerastium alpinum complex. A case of world-wide introgressive hybridization
Journal: Svensk Bot. Tidsk
Volume: 50
Pages: 411–495