References

Henning, T, D. Quandt, B. Grosse-Veldmann, A. Monro, and M. Weigend. 2014. Weeding the nettles II: a delimitation of “Urtica dioica L.” (Urticaceae) based on morphological and molecular data, including a rehabilitation of Urtica gracilis Ait. Phytotaxa 162: 61-83. Google Scholar