Gladiolus communis, ( the eastern gladiolus,<ref name=BSBI07>Template:Cite web</ref> or common corn-flag,<ref>Template:Cite web</ref><ref name="rhs">Template:Cite web</ref>) is a species of flowering plant in the family Iridaceae, native to temperate northern Africa, western Asia and southern Europe, from the Mediterranean to the Caucasus,<ref name="rhs"/> and widely naturalised in frost-free locations elsewhere – such as coastal parts of the southwestern British Isles.<ref>http://www.brc.ac.uk/plantatlas/index.php?q=plant/gladiolus-communis</ref>
- G. communis subsp. communis
- G. communis subsp. byzantinus (Mill.) A. P. Ham.