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

     Erythronium grandiflorum Pursh

Common Name(s): dogtooth lily, yellow avalanche-lily.

Taxonomic Hierarchy: (ITIS TSN=196372, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Liliopsida
                        Subclass: Liliidae
                            Order: Liliales
                                Family: Liliaceae
                                    Genus: Erythronium
                                        Species: Erythronium grandiflorum