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Ambrosia grayi

Ambrosia grayi (A. Nelson) Shinners

Woollyleaf Bur Ragweed

Asteraceae (Aster Family)

Synonym(s): Franseria tomentosa, Gaertnera tomentosa, Gaertneria grayi

USDA Symbol: AMGR5

USDA Native Status: L48 (N)

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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 1 foot tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Yellow , Green
Bloom Time: Aug , Sep
Bloom Notes: Flowers are inconspicuous and without ray florets.

Distribution

USA: CO , KS , NE , NM , OK , TX

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:						FAC				FAC

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Ambrosia grayi in USDA Plants
FNA: Find Ambrosia grayi in the Flora of North America (if available)
Google: Search Google for Ambrosia grayi

Metadata

Record Modified: 2018-12-11
Research By: CBR

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