Iris subg. Xiphium

Cladus: Eukaryota
Regnum: Plantae
Divisio: Magnoliophyta
Classis: Liliopsida
Subclassis: Liliidae
Ordo: Asparagales
Familia: Iridaceae
Subfamilia: Iridoideae
Tribus: Irideae
Genus: Iris
Subgenus: Iris subg. Xiphium
Species: I. boissieri - I. filifolia - I. juncea - I. latifolia - I. serotina - I. tingitana - I. xiphium

References

* USDA: GRIN Taxonomy for Plants[1] (24 March 2006)