This taxon name is not current. The available references for this name are:
Tetragonia expansa Murray is more recently known as Tetragonia tetragonioides Baker
Reason See P.S. Green in Fl.Australia 49:78 (1994)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.