This taxon name is not current. The available references for this name are:
Eriocaulon nigricans R.Br. is more recently known as Eriocaulon pygmaeum Sm.
Reason See G.J. Leach in Telopea 20:238 (2017)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.