⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50211338, with some changes.
This name is a synonym of Equisetum giganteum .
The record derives from Tropicos which reports it as a synonym (record 50211338
) with original publication details: Verh. K.K. Zool.-Bot. Ges. Wien 345 345 1861.