Mary FerrariFeb 2, 2023St. John's Wort materia medicaHypericum perforatum Plant Identification St. John's Wort, also known as Hypericum perforatum, is native to Europe and Asia, but can now...
Mary FerrariSep 10, 2022Yarrow Materia MedicaAchillea millefolium Plant ID Flowering plants can be 1-3 feet tall. Leaves are long, narrow, feather like, bipinnate, and arranged...