Hypericum /ˌhaɪˈpiːrɪkəm/ is a genus of flowering plants in the family Hypericaceae (formerly considered a subfamily of Clusiaceae). The genus has a nearly worldwide distribution, missing only from tropical lowlands, deserts and polar regions. Many
Hypericum species are regarded as invasive species and noxious weeds. All members of the genus may be referred to as
St. John's wort, and some are known as
goatweed. The white or pink flowered marsh St. John's worts o
(Wikipedia)