"Magnoliopsida" . "(Small) P. Adams" . "Magnoliophyta" . . . "Plantae" . . "Hypericum cumulicola (Small) P. Adams" . "Highlands Scrub St. Johnswort" . "Hypericum" . . . . "Malpighiales" . . . . "Hypericaceae" . . . . "Hypericum cumulicola" .