Calamagrostis arenaria (L.) Roth subsp. arundinacea (Husn.) Banfi, Galasso & Bartolucci, comb. nov.

Bas.: Ammophila arenaria (L.) Link var. arundinacea Husn., Graminées, 1: 19. 1896 [May 1896]. (≡ Ammophila arenaria (L.) Link subsp. arundinacea (Husn.) H.Lindb.) (= Psamma australis Mabille ≡ Ammophila arenaria (L.) Link subsp. australis (Mabille) M.Laínz).

Note: the epithet arundinacea is due to Host (Icon. Descr. Gram. Austriac., 4: 24 (pl. 41). 1809.), but it is illegitimate according to Art. 52.2.(e) of ICN. The same epithet was legitimately taken by Husnot 87 years later (Art. 58.1. of ICN). According to Art. 41.4. of ICN, it has to be treated as a new combination based on Husnot’s name.