1. Hybridization and speciation;Abbott;Journal of Evolutionary Biology,2013
2. A comparison of multivariate methods for the detection of hybridization;Adams,1982
3. A morphological comparison of triploid and tetraploid interspecific hybrids in Tradescantia;Anderson;Genetics,1936
4. Introgressive Hybridisation;Anderson,1949
5. Natural Hybridization and Evolution;Arnold,1997