This taxon name is not current. The available references for this name are:
Boronia crenulata var. gracilis (Benth.) Paul G.Wilson is more recently known as Boronia crenulata Sm. subsp. crenulata
Reason See M.F. Duretto et al. in Fl.Australia 26:142 (2013)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.