achillea pannonica

Polymnia canadensis, commonly known as whiteflower leafcup, is a flowering plant native to eastern North America from Ontario south to Alabama and from Kansas, Oklahoma, and Minnesota east to North Carolina, Vermont and Connecticut. It is considered endangered in the last two states. It is typically found in moist forests over calcareous rocks.

Polymnia canadensis, commonly known as 'bears foot' or 'small-flowered leafcup', is more easily identified by features other than the small flowers which ...