Of the St. John's Wort family (Hypericaceae), the common St. John's wort: left, Hypericum ellipticum;…
Of the St. John's Wort family (Hypericaceae), the marsh St. John's wort, Hypericum Virginicum.
Of the St. John's Wort family (Hypericaceae), St. Andrew's Cross or Ascyrum hypericoides.