This taxon name is not current. The available references for this name are:
Vaccaria hispanica (Mill.) Rauschert is more recently known as Gypsophila vaccaria (L.) Sm.
Reason: See H. Madhani et al. in Taxon 67:106 (2018)
See also: A longer explanation of these and other terms in our Plant Names Primer.
A taxon name which is no longer current will retain its ‘Threatened’ status until publication of the next Wildlife Conservation (Rare Flora) Notice.