Ambrosia trifida L.

The New York

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rhe New York Botanical Garden
Plants of U.S.A.

BOTANICAL

Garde**

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Asteraceae

Ambrosia trifida L.
det. M. Nee, 1993

Wisconsin, Dane Co., low fields and roadsides
along Hwy. 73, 1/2 mile S of Hwy. 12, 2 miles S
of Deerfield. With Salix, Acer negundo along
Mud Creek. T6 a/,	Me'ty Stef. */.

Coarse annual herbs to 3 m. tall, forming a
dense stand. Inflorescence erect, dark yellow-
green. Voucher for bulk medicinal screening
by Pfizer: 43653a ST (Nee-259); 43653b LF+IF
(Nee-260).

Coll.: M. Nee 43653

Aug. 1993

01884538