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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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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:AGCPAKAWCBEMPGPHIMWNCNEWMVE
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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