As classified in WFO snapshot
December 2023
Warning: older classification
variety
Urtica dioica var. angustifolia
(Fisch. ex Hornem.) Ledeb.
This variety name was first published in Fl. Altaic. [Ledebour]. 4: 241. 1833 [Jul-Dec 1833]
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .