Urtica dioica var. procera (Muhlenberg ex Willdenow) Weddell

Urtica dioica var. procera (Muhlenberg ex Willdenow) Weddell is a synonym sensu Henning et al., 2014 of:

Urtica gracilis Aiton subsp. gracilis, an accepted subspecies name sensu Henning et al., 2014.