Didymoglossum angustifrons Fée Didymoglossum angustifrons Fée, Mém. Foug., 11. Hist. Foug. Antil. 113, t.28, f.5. 1866 sec. Mickel & Smith 2004≡Trichomanes angustifrons (Fée) Wess.Boer, Fl. Netherl. Antilles 1: 17. 1962 syn. sec. Mickel & Smith 2004