⚠ Version 1 of The Plant List has been superseded.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 Equisetum prealtum in version 1.1 of The Plant List.

Equisetum prealtum Raf. is a synonym of Equisetum hyemale var. affine (Engelm.) A.A. Eaton

This name is a synonym of Equisetum hyemale var. affine (Engelm.) A.A. Eaton.

The record derives from Tropicos which reports it as a synonym (record 26604828) with original publication details: Fl. Ludov. 13 13 1817.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:93005-2.