Are at least some of the plants of both Valeriana and Physocarpus native to North America ?
Valeriana Valeriana is a genus of flowering plants in the family Caprifoliaceae, members of which may by commonly known as valerians. It contains many species, including the garden valerian, "Valeriana officinalis". Some species are native to Europe, others to North America and South America (especially in the Andes).
Pulicaria Pulicaria is a genus of flowering plant in the sunflower family, native to Europe, Asia, and Africa. In North America "Pulicaria" is known by the common name false fleabane.