• Aruncus Linnaeus, 1758 [Family: Rosaceae]
• Aruncus Philippi, 1902 (uncertain) [Family: Amphibia (awaiting allocation)]
• Aruncus acuminatus (Douglas) Rydb. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus aethusifolius (H. Lév.) Nakai accepted as Aruncus dioicus (Walter) Fernald
• Aruncus allegheniensis Rydb. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus americanus Nakai accepted as Aruncus dioicus (Walter) Fernald
• Aruncus americanus Raf.
• Aruncus aruncus (L.) H. Karst. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus aruncus Shafer
• Aruncus asiaticus Pojark. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus astilboides Maxim. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus barbacaprae Fourr.
• Aruncus barbaecapri Wender.
• Aruncus camschaticus (Maxim.) Rydb. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus capribarba Wender.
• Aruncus dioicus (Walter) Fernald
• Aruncus gombalanus (Hand.-Mazz.) Hand.-Mazz.
• Aruncus kyusianus Koidz. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus laciniatus H. Hara
• Aruncus parvulus Kom.
• Aruncus pubescens Rydb. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus subrotundatus Tatew. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus sylvester auct. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus sylvester Kitam.
• Aruncus sylvester Kom.
• Aruncus sylvester Kostel. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus sylvester Kostel. ex Opiz
• Aruncus sylvester Kostel. ex Schmalh.
• Aruncus sylvestris Kostel.
• Aruncus sylvestris Kostel. ex Maxim. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus tomentosus (Koidz.) Koidz. accepted as Aruncus dioicus (Walter) Fernald
• Aruncus vulgaris (Maxim.) Raf. ex Pojark.
• Aruncus vulgaris Kostel.
• Aruncus vulgaris Raf. accepted as Aruncus dioicus (Walter) Fernald