Binomial: Hypericum perforatum Common names: (Common St. John’s Wort, perforate St. John’s Wort [4]), (Klamath Weed [7]), (Amber, Cammock, Penny John, Touch-and-heal, Balm of the warrior’s wound, Rosin rose [11]) Family: Hypericaceae Parts used: Flowers, leaves, buds (approximately top 10 cm of the plant) Native to: Europe, Western Asia [4] and Northern Africa [10] Distribution:... Continue Reading →