The taxonomy and nomenclature of the genus Huperzia Bernh. in the Azores and Madeira have been reviewed.
Plants collected in the Azores and Madeira were characterized morphologically. The independence between two
endemic species common to Madeira and the Azores Islands – Huperzia suberecta (Lowe) Tardieu and Huperzia
dentata (Herter) Holub – is clearly shown. A clear-cut morphological separation between these taxa and Huperzia
selago (L.) Bernh. ex Schrank & Mart. of continental Europe is established