This taxon name is current. The available references for this name are:
Eucalyptus tetragona (R.Br.) F.Muell. subsp. tetragona ms is an informal synonym.
Reason No published subspecies. See M. French & D. Nicolle in Eucalypts of Western Australia: The south-west coast and ranges: 36 (2019)
Eucalyptus tetragona (R.Br.) F.Muell. is a nomenclatural synonym.
Reason See D. Nicolle in Nuytsia 13:318-324 (2000)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.