This taxon name is current. The available references for this name are:
Calothamnus crassus (Benth.) Hawkeswood is a nomenclatural synonym.
Reason See A.S. George in Nuytsia 20:190 (2010)
Calothamnus sp. Scott River (R.D. Royce 84) is an informal synonym.
Reason See A.S. George in Nuytsia 20:190(2010)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.