⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Ancistrum argenteum in version 1.1 of The Plant List.
This name is a synonym of Acaena argentea .
The record derives from Tropicos which reports it as a synonym (record 50065318
) with original publication details: Nov. Gen. Sp. (quarto ed.) 6: 230 230 1824.