Hypericum Hypericaceae Magnoliopsida Magnoliophyta

Photo and profile of common St. Johnswort, with particular focus on its status as a noxious weed in parts of the U.S.

• Top/Health/Alternative/Herbs/Materia Medica/St. John's Wort

• Hypericum linariifolium - Photographs, diagnostic features, habitat and distribution of toadflax-leaved hypericaceae St John’s-wort.
• Diversity, Distribution and Indigenous Uses of the Hypericum Species - Ethnobotanical leaflet on the uses made of these hypericum valuable medicinal magnoliopsida plants in the Himalayan region on hypericum India.
• Hypericum elodes - Photographs, diagnostic features, habitat and distribution of marsh St John’s-wort.
• Hypericum inodorum x - Photographs, diagnostic features, habitat and distribution of tall tutsan.
• Hypericum tetrapterum - Photographs, diagnostic features, habitat and distribution of square-stalked magnoliopsida St John’s-wort.
• Hypericum nummularium - Photographs, diagnostic features, habitat and distribution of round-leaved St John’s-wort.
• Hypericum maculatum - Photographs, diagnostic features, habitat and distribution of imperforate St John’s-wort and its subspecies.
• Hypericum montanum - Photographs, diagnostic features, habitat and distribution of pale St John’s-wort.
• Hypericum pulchrum - Photographs, diagnostic features, habitat and distribution of slender hypericum St John’s-wort.
• Hypericum humifusum - Photographs, diagnostic features, habitat and distribution of trailing hypericaceae St John’s-wort.
• Common St. Johnswort: Hypericum perforatum - Photographs of this plant, its flowers and leaves.
• Hypericum calycinum - Photographs, diagnostic features, habitat and distribution of Rose-of-Sharon.
• Hypericum undulatum - Photographs, diagnostic features, habitat and distribution of wavy St John’s-wort.
• Hypericum pseudohenryi - Photographs, diagnostic features, habitat and distribution of Irish magnoliopsida Tutsan.
• Hypericum canadense - Photographs, diagnostic features, habitat and distribution of Irish hypericum St John’s-wort.
• Hypericum androsaemum - Photographs, diagnostic features, habitat and distribution of tutsan.
• Hypericum xylosteifolium - Photographs, diagnostic features, habitat and distribution of Turkish Tutsan.
• Hypericum forrestii - Photographs, diagnostic features, habitat and distribution of Forrest’s hypericaceae Tutsan.
• Hypericum hircinum - Photographs, diagnostic features, habitat and distribution of stinking hypericaceae tutsan.
• Hypericum hirsutum - Photographs, diagnostic features, habitat and distribution of hairy hypericaceae St John’s-wort.
• Hypericum crux-andreae - St. Peterswort.
• Hypericum perforatum - Photographs, diagnostic features, habitat and distribution of perforate hypericaceae St John’s-wort.
• Hypericum hypericoides ssp. hypericoides - St. Andrew's Cross.

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