• Urtica Borlase, 1758 (unaccepted) [Family: Actiniaria incertae sedis]
• Urtica Linnaeus, 1753 [Family: Urticaceae]
• Urtica aestuans Linnaeus accepted as Laportea aestuans (L.) Chew
• Urtica baccifera Linnaeus accepted as Urera baccifera (L.) Gaud.
• Urtica ballotifolia Weddell
• Urtica breweri S. Wats. accepted as Urtica dioica Linnaeus
• Urtica californica Greene accepted as Urtica dioica Linnaeus
• Urtica canadensis Linnaeus accepted as Laportea canadensis (L.) Weddell
• Urtica caracasana Jacq. accepted as Urera caracasana (Jacq.) Gaud. ex Griseb.
• Urtica cardiophylla Rydb. accepted as Urtica dioica Linnaeus
• Urtica chamaedryoides Pursh
• Urtica contracta
• Urtica cylindrica Linnaeus accepted as Boehmeria cylindrica (L.) Sw.
• Urtica dioica Linnaeus
• Urtica gracilenta Greene
• Urtica gracilis Ait. accepted as Urtica dioica Linnaeus
• Urtica grandis Hook. & Arn. accepted as Boehmeria grandis (Hook. & Arn.) Heller
• Urtica herniarioides Sw. accepted as Pilea herniarioides (Sw.) Lindl.
• Urtica holosericea Nutt. accepted as Urtica dioica Linnaeus
• Urtica interrupta Linnaeus accepted as Laportea interrupta (L.) Chew
• Urtica lyallii S. Wats. accepted as Urtica dioica Linnaeus
• Urtica major H.P. Fuchs accepted as Urtica dioica Linnaeus
• Urtica nivea Linnaeus accepted as Boehmeria nivea (L.) Gaud.
• Urtica nummulariifolia Sw. accepted as Pilea nummulariifolia (Sw.) Weddell
• Urtica parietaria Linnaeus accepted as Pilea parietaria (L.) Blume
• Urtica procera Muhl. ex Willd. accepted as Urtica dioica Linnaeus
• Urtica pumila Linnaeus accepted as Pilea pumila (L.) Gray
• Urtica serra auct. non Blume accepted as Urtica dioica Linnaeus
• Urtica sittardi
• Urtica strigosissima Rydb. accepted as Urtica dioica Linnaeus
• Urtica trachycarpa Weddell accepted as Urtica dioica Linnaeus
• Urtica trianthemoides Sw. accepted as Pilea trianthemoides (Sw.) Lindl.
• Urtica triplex
• Urtica urens Linnaeus
• Urtica viridis Rydb. accepted as Urtica dioica Linnaeus
• Urticaceae de Jussieu, 1789
• Urticaleoxylon E.A. Wheeler, S.R. Manchester & P. Baas, 2023 †
• Urticales accepted as Rosales
• Urticastrum Heister ex Fabricius, 1759 (unaccepted)
• Urticastrum divaricatum (L.) Kuntze accepted as Laportea canadensis (L.) Weddell