. "Michx." . . . . "Hypericum frondosum" . . . "Hypericaceae" . . . . "Cedarglade St. Johnswort" . "Plantae" . . "Magnoliopsida" . . . "Magnoliophyta" . "Malpighiales" . . . . "Hypericum frondosum Michx." . "Hypericum" .