Eriophorum vaginatum

Hare's-tail cottongrass
Conservation status
	; Secure (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Cyperaceae
Genus:	Eriophorum
Species:	E. vaginatum
Binomial name
	Eriophorum vaginatum; L.
Synonyms
	Homotypic synonyms Linagrostis vaginata (L.) Scop. ; Plumaria vaginata (L.) Bubani ; Scirpus vaginatus (L.) Salisb. ; ; Heterotypic synonyms Eriophorum caespitosum Host ; Eriophorum caespitosum var. humilius E.Mey. ; Eriophorum callithrix Lange ; Eriophorum callitrix var. erubescens Fernald ; Eriophorum fauriei E.G.Camus ; Eriophorum kerneri Ullep. ; Eriophorum scabridum Ohwi ; Eriophorum spissum Fernald ; Eriophorum spissum var. erubescens (Fernald) Fernald ; Eriophorum vaginatum f. erubescens (Fernald) B.Boivin ; Eriophorum vaginatum var. fauriei (E.G.Camus) Kitag. ; Eriophorum vaginatum subsp. fauriei (E.G.Camus) Á.Löve & D.Löve ; Eriophorum vaginatum var. spissum (Fernald) B.Boivin ; Eriophorum vaginatum subsp. spissum (Fernald) Hultén ; Scirpus fauriei (E.G.Camus) T.Koyama ; ;

Eriophorum vaginatum, the hare's-tail cottongrass, tussock cottongrass, or sheathed cottonsedge, is a species of perennial herbaceous flowering plant in the sedge family Cyperaceae. It is native to bogs and other acidic wetlands throughout the Holarctic kingdom. It is a 30–60 cm high tussock-forming plant with solitary spikes.