1. Åkerlund, E. (1933). Ein Fall von Naturselektion in einer Kreuzungspopulation. Hereditas,18, 16.
2. Ascherson, P. andGraebner, P. (1929). Synopsis der Mitteleuropäischen Flora. Vol. 5 (2). Leipzig.
3. Avebury, Lord (1905). British Flowering Plants. London.
4. Baker, H. G. (1943). Petal Colour Inheritance inLychnis. Nature,152, 161.
5. Baker, H. G. (1945). The Autecology ofMelandrium dioicum (L. emend.) Simonkai,M. album (Mill.) Garcke (Lychnis) and their Hybrid. Ph. D. thesis, University of London.