⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-330809, with some changes.

Carex filiformis var. lanuginosa (Michx.) Britton, Sterns & Poggenb. is a synonym of Carex lasiocarpa var. americana Fernald

This name is a synonym of Carex lasiocarpa var. americana Fernald.

The record derives from WCSP which reports it as a synonym (record 330809) with original publication details: Prelim. Cat. 63 1888.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:46184-2.