Establishment of allopolyploids is favored because of greater niche separation from their diploid progenitors, and taxonomists appear reluctant to name phenotypically cryptic autopolyploid species.

• 由于与二倍体亲代生态位隔离，异源多倍体更容易形成，而且分类学者们好像很难命名表型模糊的同源多倍体物种。