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.
Glyceria maxima Glyceria maxima (Hartm.) Holmb. (syn. "G. aquatica" (L.) Wahlenb.; "G. spectabilis" Mert. & W.D.J. Koch; "Molinia maxima" Hartm.; "Poa aquatica" L.), commonly known as Great Manna Grass, Reed Mannagrass, and Reed Sweet-grass, is a species of rhizomatous perennial grasses in the mannagrass genus native to Europe and Western Siberia and growing in wet areas such as riverbanks and ponds. It is highly competitive and invasive and is often considered to be a noxious weed outside its native range.