"Hypericum chapmanii" . . "Apalachicola St. Johnswort" . "Magnoliopsida" . . . . "Hypericaceae" . . "P. Adams" . "Plantae" . "Hypericum chapmanii P. Adams" . . . . . . "Hypericum" . . . "Magnoliophyta" . "Malpighiales" . .