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Native 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 trifida var. texana (Giant ragweed)
Marcus, Joseph A.

Ambrosia trifida var. texana Scheele

Giant Ragweed, Texan great ragweed

Asteraceae (Aster Family)

USDA Symbol: amtrt

USDA Native Status: Native to U.S.

 

From the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Subshrub
Fruit:
Size Class: 6-12 ft.

Bloom Information

Bloom Color: Yellow

Distribution

USA: AZ , IL , KS , LA , MO , MS , NM , OK , TX
USDA Native Status: L48(N)

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Lady Bird Johnson Wildflower Center - Austin, TX
Nueces River Authority - Uvalde, TX

Herbarium Specimen(s)

NPSOT 0995 Collected Oct 12, 1994 in Bexar County by Harry Cliffe
NPSOT 0536 Collected Jul 29, 1987 in Bexar County by Harry Cliffe

Wildflower Center Seed Bank

LBJWC-MM-707 Collected 2009-11-16 in Hays County by Lady Bird Johnson Wildflower Center

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Ambrosia trifida var. texana in USDA Plants
FNA: Find Ambrosia trifida var. texana in the Flora of North America (if available)
Google: Search Google for Ambrosia trifida var. texana

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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