This taxon name is not current. The available references for this name are:
Ptilotus schwartzii (F.Muell.) Tate forma schwartzii is more recently known as Ptilotus schwartzii (F.Muell.) Tate
Reason Forma not recognised. See National Species List. https://id.biodiversity.org.au/instance/apni/633035 [accessed 12/12/2017]
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.