Horseweed, Butterweed, Fleabane

There are over 150 species of annuals and herbaceous perennials in this genus of flowering plants which are native to the tropical and warm temperate regions in many parts of the world. Some are also found in the cool temperate regions of North America. A few species are closely related to the genus Erigeron which is also called fleabane.

Conyza canadensis Butterweed, Horseweed, Canadian Fleabane


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