This taxon name is current. The available references for this name are:
Tournefortia muelleri I.M.Johnst. is a nomenclatural synonym.
Reason The genus Tournefortia has been shown to be nested within Heliotropium. Craven (2005) provided the required combination for Tournefortia muelleri in Heliotropium.
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.