Hypericum

Hypericum boreale (Britt.) Bickn. northern St. John's-wort Native

Hypericum boreale f. callitrichoides Fassett northern St. John's-wort submersed form Native

Hypericum canadense L. lesser Canadian St. John's-wort Native

Hypericum ellipticum Hooker pale St. John's-wort Native

Hypericum frondosum Michx. cedar glade St. John's-wort, golden St. John's-wort No Current Records

Hypericum gentianoides (L.) B.S.P. orangegrass St. John's-wort, orange grass, pineweed Native

Hypericum majus (A.Gray) Britton larger Canadian St. John's-wort Native

Hypericum mutilum L. dwarf St. John's-wort Native

Hypericum perforatum L. common Eurasian St. John's-wort Introduced

Hypericum prolificum L. = Hypericum spathulatum (Spach) Steudel shrubby St. John's-wort Introduced

Hypericum punctatum Lam. spotted St. John's-wort Native

Hypericum virginicum L. = Triadenum virginicum (L.) Raf. Virginia marsh St. John's-wort Native