The genus Hypericum (Hypericaceae) consists of 484 species from 36 sections with worldwide distribution in different areas. Turkey is considered as hot spot for diversity of Hypericum genus. Despite numerous publications, ...

Hypericin and pseudohypericin content in stems, leaves, and flowers of some Hypericum species growing in Turkey, namely, H. heterophyllum Vent, H. hyssopifolium L., H. linarioides Bosse, H. monbretii Spach, H. orientale ...