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Ambrosia pumila

Ambrosia pumila (Nutt.) A. Gray

Dwarf Bur Ragweed, San Diego Ambrosia, San Diego Ragweed

Asteraceae (Aster Family)

Synonym(s): Franseria pumila

USDA Symbol: AMPU4

USDA Native Status: L48 (N)

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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 18 inches 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: Apr , May , Jun , Jul , Aug , Sep , Oct
Bloom Notes: Flowers are inconspicuous and without ray florets.

Distribution

USA: CA

U.S. Fish & Wildlife Service Threatened & Endangered Status

USFWS Species Profile: Q01H
Status: Endangered
Historic Range: U.S.A. (CA), Mexico
Critical Habitat: 17.96(a)
Special Rules: N/A
This information is derived from the U.S. Fish & Wildlife Serrvice Environmental Conservation Online System.

National Wetland Indicator Status

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

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

Metadata

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

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