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Annuals.  Taprooted.  Stems often with "cobwebby" hairs when young.  Typical height is 6 to 16 inches.

Inflorescences consist of small axillary and terminal clusters of flower heads.

Flower heads are discoidRay florets are lacking.  Disc florets are bisexual and fertile; corollas are yellow.  Involucral bracts are of even length, sometimes black-tipped.  Bases of involucres are surrounded by a series very small, black-tipped bractlets.

Basal leaves may be present at flowering.  Stem leaves are alternate, oblanceolate to obovate in general outline, irregularly lobed (often appearing like small oak leaves).

Plants of waste places and weedy landscapes around buildings.  Flowers May to October.  Not native.

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Similar species:  Erechtites hieraciifolius.

 

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