This taxon name is not current. The available references for this name are:
Cuscuta europaea L. has been misapplied against the current name Cuscuta epithymum (L.) L.
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A taxon name which is no longer current will retain its ‘Threatened’ status until publication of the next Threatened Flora - Rare Flora Notice.