Trichomanes elongatum A.Cunn. APC legitimate | sensu Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census
Abrodictyum elongatum (A.Cunn.) Ebihara & K.Iwats. legitimate Selenodesmium elongatum (A.Cunn.) Copel. legitimate Trichomanes polyodon Colenso legitimate Trichomanes rigidum var. elongatum (A.Cunn.) Hook. & Baker legitimate
  • A New Zealand taxon, recorded in synonymy of Abrodictyum obscurum (Blume) Ebihara & K.Iwats., but not known to occur in Australia.