This taxon name is not current. The available references for this name are:
Protasparagus densiflorus (Kunth) Oberm. is a nomenclatural synonym.
Reason See Fellingham & Meyer (1995)
Asparagus densiflorus (Kunth) Jessop has been misapplied against the current name Asparagus aethiopicus L.
Reason See P.S.Green, The Plantsman 7:249-250(1986)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.