The approximately 41 species occur in the temperate areas of Eurasia and North America, as well as some species in subtropical and tropical mountainous countries. In many parts of the world, some species are neophytes.
Their flowers are often umbrella-clustered at the beginning, later in cluster-like inflorescences after the inflorescence axis has been stretched.
The hermaphrodite flowers are fourfold. The four sepals are at most indistinctly protruding. The four petals are obovate to spatulate and yellow. There are six stamens and the stamens are without appendages. The nectaries are arranged in a ring.
This plant might be poisonous
How to get rid of:
Try spraying a mix of 1 ounce vodka, 2 cups of water and a couple drops of dish soap on weeds with good sun exposure. This will often dry them out and kill them. It doesn’t work well in shady areas. Also be careful not to overspray onto any of your regular plants, the vodka will dry out whatever plants it hits.