1. Abbott RJ. 1992 . Plant invasions, interspecific hybridization and the evolution of new plant taxa. Trends in Ecology and Evolution7: 401–405.
2. Abbott RJ, Ashton PA, Forbes DG. 1992 . Plant introductions, hybridization and gene flow. Heredity68: 425–435.
3. Anderson NO, Ascher PD. 1993 . Male and female fertility of loosestrife (Lythrum) cultivars. Journal of the American Society of Horticultural Science118: 851–858.
4. Anderson NO, Ascher PD. 1994 . Erosion of style/anther length integrity in introgressive Lythrum hybrids. In: Stephenson OG, Kao T-H, eds. Pollen–pistil interactions and pollen tube growth. Rockville, Maryland: American Society of Plant Physiologists.
5. Batra SWT, Schroeder D, Boldt PD, Mendl W. 1986 . Insects associated with purple loosestrife (Lythrum salicaria L.) in Europe. Proceedings of the Entomology Society Washington88: 748–759.