• Acorus Linnaeus, 1753
• Acorus adulterinus Garsault
• Acorus americanus (Raf.) Raf. accepted as Acorus calamus Linnaeus
• Acorus angustatus Raf. accepted as Acorus calamus Linnaeus
• Acorus angustifolius Schott accepted as Acorus calamus Linnaeus
• Acorus aromaticus Gilib. accepted as Acorus calamus Linnaeus
• Acorus asiaticus Nakai accepted as Acorus calamus Linnaeus
• Acorus belangeri Schott accepted as Acorus calamus Linnaeus
• Acorus brasiliensius Schott ex Nees
• Acorus calamus Linnaeus
• Acorus calamus-aromaticus Clairv. accepted as Acorus calamus Linnaeus
• Acorus casia Bertol. accepted as Acorus calamus Linnaeus
• Acorus cochinchinensis (Lour.) Schott accepted as Acorus calamus Linnaeus
• Acorus commersonii Schott accepted as Acorus calamus Linnaeus
• Acorus commutatus Schott accepted as Acorus calamus Linnaeus
• Acorus elatus Salisb. accepted as Acorus calamus Linnaeus
• Acorus europaeus Dumort. accepted as Acorus calamus Linnaeus
• Acorus flexuosus Raf. accepted as Acorus calamus Linnaeus
• Acorus floridanus Raf. accepted as Acorus calamus Linnaeus
• Acorus gramineus Sol. ex Aiton
• Acorus griffithii Schott accepted as Acorus calamus Linnaeus
• Acorus humilis Salisb. accepted as Acorus gramineus Sol. ex Aiton
• Acorus latifolius Z.Y. Zhu accepted as Acorus calamus Linnaeus
• Acorus macrospadiceus (Yamam.) F.N. Wei & Y.K. Li accepted as Acorus gramineus Sol. ex Aiton
• Acorus nilghirensis Schott accepted as Acorus calamus Linnaeus
• Acorus odoratus Lam. accepted as Acorus calamus Linnaeus
• Acorus palmita Licht.
• Acorus pusillus Siebold accepted as Acorus gramineus Sol. ex Aiton
• Acorus rumphianus S.Y. Hu accepted as Acorus calamus Linnaeus
• Acorus spurius Schott accepted as Acorus calamus Linnaeus
• Acorus tatarinowii Schott accepted as Acorus calamus Linnaeus
• Acorus terrestris Rumph. ex Schott accepted as Acorus calamus Linnaeus
• Acorus terrestris Spreng. accepted as Acorus calamus Linnaeus
• Acorus triqueter Turcz. ex Schott accepted as Acorus calamus Linnaeus
• Acorus undulatus Stokes accepted as Acorus calamus Linnaeus
• Acorus verus (L.) Raf. accepted as Acorus calamus Linnaeus
• Acorus verus Garsault accepted as Acorus calamus Linnaeus
• Acorus xiangyeus Z.Y. Zhu accepted as Acorus gramineus Sol. ex Aiton