Polyploidy is a major evolutionary force generating new plant species. Hunt et al. explore the dynamics of allopolyploid speciation in the western Mediterranean rock fern Asplenium majoricum at a site where it occurs...
Coexistence of multiple cytotypes of an orchid Large-scale cytotype surveys have indicated that intraspecific ploidy diversification is much more common than previously thought. TrΓ‘vnΓΔek et al. examine inter- and...