Of the St. John's Wort family (Hypericaceae), the common St. John's wort: left, Hypericum ellipticum; right, Hypericum perforatum.

Common St. John's Wort

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), Hypericum Canadense.

H. Canadens

Of the St. John's Wort family (Hypericaceae), Hypericum Canadense.

Of the St. John's Wort family (Hypericaceae), Hypericum virgatum.

H. Virgatum

Of the St. John's Wort family (Hypericaceae), Hypericum virgatum.

Of the St. John's Wort family (Hypericaceae), the marsh St. John's wort, Hypericum Virginicum.

Marsh St. John's Wort

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.

St. Andrew's Cross

Of the St. John's Wort family (Hypericaceae), St. Andrew's Cross or Ascyrum hypericoides.