This taxon name is not current. The available references for this name are:
Gnaphalium falcatum Lam. is a nomenclatural synonym.
Reason See A.L. Cabrera in Bol.Soc.Argent.Bot. 9:371 (1961)
Gamochaeta falcata (Lam.) Cabrera has been misapplied against the current name Gamochaeta calviceps (Fernald) Cabrera.
Reason Fide P. Michael in litt. (27/03/2001)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.