Ambrosia trifida L.

The New York

Botanical Garden copyright r

YO ft

ew

BOTANICAL

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

Asteraceae Ambrosia trifida L.
det. M. Nee, 2012

WISCONSIN, Crawford Co., small park in the village of
Steuben, along edge of and in floodplain of Kickapoo River,
unshaded habitats, mostly native plants (Polygonum
pensylvanicum, P. lapathifolium, Bidens cernua, Penthorum
sedoides, Phyla lanceolata) along bank of river and in shallow
drainage ditch; and weedy introduced and native species
(Sporobolus vaginiflorus, Eragrostis pectinacea, Ambrosia
trifida, Chaiturus marrubiastrum, Rorippa sylvestris,
Polygonum scandens) along disturbed area where dirt and
branches piled.

43°10°55’N, 90°5r30”W. alt. 203 m.

T 8 N; R 4 W; SW'/i sect. 9.

In weedy area.

Coll.: M. Nee 59471

3 Oct. 2012

01884463