Verbatim text: Barclay Estrup, P. 1974. The distribution of Calluna vulgaris (L.) Hull in western Canada. Syesis 7: 129–137.
Author: Barclay Estrup, P.
Year: 1974
Title: The distribution of Calluna vulgaris (L.) Hull in western Canada
Journal: Syesis
Volume: 7
Pages: 129–137