This taxon name is not current. The available references for this name are:
Notodanthonia Zotov is more recently known as Rytidosperma Steud.
Reason See H.P. Linder et al. in Ann.Missouri Bot.Gard. 97:356 (2010)
Thonandia H.P.Linder is a nomenclatural synonym.
Reason See H.P. Linder in Telopea 7:269(1997)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.