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

     Hypericum sphaerocarpum Michx.
     Hypericum sphaerocarpum var. turgidum (Small) Svens.
     Hypericum turgidum Small

Common Name(s): roundseed St. Johnswort.

Taxonomic Hierarchy: (ITIS TSN=21460, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Dilleniidae
                            Order: Theales
                                Family: Clusiaceae
                                    Genus: Hypericum
                                        Species: Hypericum sphaerocarpum