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Moist prairies and sandflats, sedge meadows.
Labrador west to AK, south GA to OR. More common in the north.
Perennial to 50 cm. Basal leaves oblanceolate to elliptic, gradually tapering at the base, crenate or serrate to subentire; cauline more or less pinnatifid, the lower sometimes much larger than the basal, becoming much reduced and sessile further up the stem. Heads usually less than 20; base of the involucre glabrous; rays yellow.
Flowers May to June
Wetland indicator: Facultative +
The last photo is of a rare white form found among thousands of blooming plants on an alvar in upstate NY.
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of
Northeastern United States
and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
Michael Hough © 2005