This taxon name is not current. The available references for this name are:
Dryandra subpinnatifida var. imberbis A.S.George is more recently known as Banksia subpinnatifida var. imberbis (A.S.George) A.R.Mast & K.R.Thiele
Reason See A.R. Mast & K.R. Thiele in Austral.Syst.Bot.20:70(2007)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.