Hermaphroditic species in SF

This is a list of species that are hermaphroditic, or some other sexually-reproducing single-sexed species. Can include both alien species, non-human species, and evolutionary variants of humans.

• Isaac Asimov. Foundation and Earth (1986) [a hermaphroditic variety of humans; one joins the protagonists]
• Katharine Burdekin. Proud Man (1934; 1993) (A human from the future visits 1930s England; humans in the future have evolved "beyond" humanity, and beyond humanity's bi-sexed nature; each individual can reproduce on their own, and is whole, containing both male and female attributes. This human contemplates with amazement the various social oddities of modern English society.)
• Storm Constantine, the Wraeththu
• L. Timmel Duchamp. "Motherhood, Etc." (1993)
• Camarin Grae. Stranded (1991, Naiad) (3 women from a hermaphroditic species are sent as "disembodied minds" to Earth to stop a villain. They end up identifying as lesbians and fighting a fundamentalist movement led by the villain.)
• Graham Joyce, and Peter F. Hamilton. "Eat Reecebread" (1994)
• Ursula K. Le Guin's The Left Hand of Darkness is a type of hermaphroditism: male and female gender in potential
• Stephen Leigh. Dark Water's Embrace (1998) and Speaking Stones (1999)
• Melissa Scott. Shadow Man (1995) (space travel creates five common genders)