The identity of Urtica subincisa Benth. var. floribunda Wedd. and the presence of U. urens L. in Madeira

Abstract

Urtica subincisa Benth., originally described from Mexico, is said to occur in the Madeiran Archipelago under the name var. floribunda Wedd.. The results of a detailed comparison of material of these two taxa, together with U. urens L. and U. stachyodes W