This taxon name is not current. The available references for this name are:
Diospyros ferrea var. humilis (R.Br.) Bakh. is more recently known as Diospyros humilis (R.Br.) F.Muell.
Reason See L.W. Jessup in Austrobaileya 9:172 (2014)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.