Iris virginica

Iris virginica
Conservation status
	; Least Concern (IUCN 3.1)
	; Secure (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Iridaceae
Genus:	Iris
Subgenus:	Iris subg. Limniris
Section:	Iris sect. Limniris
Series:	Iris ser. Laevigatae
Species:	I. virginica
Binomial name
	Iris virginica; L.
Synonyms
	Iris caroliniana S.Watson ; Iris convoluta Raf. ; Iris georgiana Britton ; Iris shrevei Small ; Iris versicolor var. shrevei (Small) B.Boivin ; Iris versicolor var. virginica (L.) Baker ; Iris versicolor f. virginica (L.) Voss ; Iris virginica var. shrevei (Small) E.S.Anderson ; Iris virginica var. virginica (none known) ; Limniris virginica (L.) Rodion. ; Xiphion virginicum (L.) Alef.;

Iris virginica, with the common name Virginia blueflag, Virginia iris, great blue flag, or southern blue flag, is a perennial species of flowering plant in the Iridaceae (iris) family, native to central and eastern North America.

It was identified as a separate species by Edgar Anderson, and is one of the three Iris species in Anderson's Iris flower data set, used by Ronald Fisher in his 1936 paper "The use of multiple measurements in taxonomic problems" as an example of linear discriminant analysis.

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