How many species are hermaphrodites?

Hermaphroditism is observed in a wide range of species across various taxa, including plants, invertebrates, and some vertebrates. An estimated 30% of animal species are considered hermaphroditic, with many being found among gastropods, annelids, and some fish. In plants, many flowering species also exhibit hermaphroditism, possessing both male and female reproductive structures. Overall, the exact number of hermaphroditic species is difficult to quantify, but it includes thousands of species across diverse groups.