• Lyonia Archbold, 1983 † [Family: Monticuliferidae]
• Lyonia Nuttall, 1818 [Family: Ericaceae]
• Lyonia Rafinesque, 1808 (unaccepted) [Family: Polygonaceae]
• Lyonia S. Elliott, 1817 (unaccepted) [Family: Apocynaceae]
• Lyonia ferruginea (Walt.) Nutt.
• Lyonia fruticosa (Michx.) G.S. Torr.
• Lyonia ligustrina (L.) DC.
• Lyonia lucida (Lam.) K. Koch
• Lyonia mariana (L.) D. Don
• Lyonia palustris (Pursh) Small accepted as Cynanchum angustifolium Persoon, 1805
• Lyonia rubiginosa (Pers.) G. Don
• Lyonia truncata Urban