Heteromorphic sex chromosomes are pairs of chromosomes that differ in size, shape, or staining
White campion (Silene latifolia): A model species with distinct X and Y chromosomes
Sorrel (Rumex acetosa): A model species with distinct X and Y chromosomes
Hemp (Cannabis sativa): A member of the Cannabaceae family with heteromorphic XYs
Hops (Humulus lupulus): A member of the Cannabaceae family with heteromorphic XYs