Trioecy

Trioecy is a sexual system characterized by the coexistence of males, females, and hermaphrodites. It has been found in both plants and animals.^[1]^[2] Trioecy, androdioecy and gynodioecy may be described as mixed mating systems.^[3]

^ Chaudhuri, Jyotiska; Bose, Neelanjan; Tandonnet, Sophie; Adams, Sally; Zuco, Giusy; Kache, Vikas; Parihar, Manish; von Reuss, Stephan H.; Schroeder, Frank C.; Pires-daSilva, Andre (December 3, 2015). "Mating dynamics in a nematode with three sexes and its evolutionary implications". Scientific Reports. 5 (1): 17676. Bibcode:2015NatSR...517676C. doi:10.1038/srep17676. PMC 4668576. PMID 26631423.
^ Choe, Jae (2019-01-21). "Hermaphrodite Mating Systems". In Leonard, Janet (ed.). Encyclopedia of Animal Behavior. Vol. 4. Academic Press. pp. 584–589. ISBN 978-0-12-813252-4.
^ Fusco, Giuseppe; Minelli, Alessandro (2019-10-10). The Biology of Reproduction. Cambridge University Press. pp. 134–135. ISBN 978-1-108-49985-9.