Smooth fleabane

Erigeron glabellus is a North American species of flowering plants in the family Asteraceae, called the streamside fleabane.

Erigeron glabellus is widespread across much of the colder parts of western North America. In Canada, it has been found in Yukon, Northwest Territories, British Columbia, all three Prairie Provinces, and Ontario. In the United States, it grows in Alaska, the northern part of the contiguous United States from Washington to Wisconsin, and in the Rocky Mountains as far south as Arizona and New Mexico.