This taxon name is not current. The available references for this name are:
Acetabularia caliculus J.V.Lamour. is incorrectly spelt, see Acetabularia calyculus J.V.Lamour.
Reason See J.M. Huisman in Marine Plants of Australia: 383 (2019)
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A taxon name that is no longer current will retain its ‘Threatened’, ‘Extinct’, or ‘Extinct in the Wild’ status until a new name has been published in a Biodiversity Conservation Order.