This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Family, Composite. Color, yellow. Leaves, ovate or lyre-shaped, toothed. Heads, 8 to 12-rlowered with 8 long bracts making a cylindrical cup. No pappus. A slender, branching plant, with small, loosely panicled heads of flowers. June to September.
Waste places along roadsides from Quebec to Pennsylvania and westward to Michigan. 1 to 3 1/2 feet high.
 
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