What are are commonly known as milkworts or snakeroots, Nothofagus or Polygala ?
Polygala Polygala is a large genus of flowering plants belonging to the family Polygalaceae. They are commonly known as milkworts or snakeroots. The genus is distributed widely throughout much of the world in temperate zones and the tropics. The genus name "Polygala" comes from the ancient Greek "much milk", as the plant was thought to increase milk yields in cattle.
Ageratina occidentalis Ageratina occidentalis is a species of flowering plant in the daisy family known by the common name western snakeroot or western eupatorium. It is native to the western United States where it grows in several types of habitat. It is found in California, Oregon, Washington, Idaho, Montana, Nevada, and Utah.