This taxon name is not current. The available references for this name are:
Merremia davenportii (F.Muell.) Hallier f. is more recently known as Davenportia davenportii (F.Muell.) R.W.Johnson
Reason See R.W. Johnson in Austrobaileya 8:173(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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.