This taxon name is current. The available references for this name are:
Pterostylis sp. Helena River (G. Brockman GBB 340) is an informal synonym.
Reason Fide G.B. Brockman & C.J. French in sched. (18/04/2018)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.