Wildflowers of the Isle of Man - Common valerian (Valeriana officinalis) Also known as "all-heal", this plant has many medicinal uses. It is most often used as a sleeping aid and sedative.
Valerian - Appropedia, the sustainability wiki
Solitary Dog Sculptor I: Botany: Valeriana - Valerian herb - Wikipedia data
156 Valeriana officinalis L - Valerian (herb) - Wikipedia | Ботанические рисунки, Ботанические иллюстрации, Ботанический рисунок