This taxon name is current. The available references for this name are:
Trianthema cussackiana F.Muell. is an incorrect spelling for Trianthema cusackianum F.Muell.
Reason See W.L. Tjaden in Taxon 44:213-216(1995)
See also: A longer explanation of these and other terms in our Plant Names Primer.
A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.