This taxon name is not current. The available references for this name are:
Leucopogon brevicuspis Benth. is more recently known as Styphelia brevicuspis (Benth.) F.Muell.
Reason See D.M. Crayn et al. in Austral.Syst.Bot. 33:147 (2020)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.