Synonyms recognized by ITIS (bold taxon is currently accepted):

     Typha angustifolia L.
     Typha angustifolia var. calumetensis Peattie
     Typha angustifolia var. elongata (Dudley) Wieg.

Common Name(s): narrowleaf cattail, narrow-leaf cat-tail.

Taxonomic Hierarchy: (ITIS TSN=42325, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Liliopsida
                        Subclass: Commelinidae
                            Order: Typhales
                                Family: Typhaceae
                                    Genus: Typha
                                        Species: Typha angustifolia