Verbatim text: Beijerinck, W. 1940. Calluna: A monograph on the Scotch heather. Verh. Kon. Ned. Akad. Wetensch., Afd. Natuurk., Sect. 2, 38(4).
Author: Beijerinck, W.
Year: 1940
Title: Calluna: A monograph on the Scotch heather
Journal: Verh. Kon. Ned. Akad. Wetensch., Afd. Natuurk., Sect. 2
Volume: 38