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native plant database: Marcus, Joseph A. Ambrosia trifida var.
texana Scheele Giant Ragweed, Texan great ragweed USDA Symbol:
amtrt USDA Native Status: Native to U.S. Plant
CharacteristicsDuration: Annual Habit: Subshrub Fruit: Size
Class: Bloom InformationBloom Color: Yellow AZ , IL , KS , LA ,
MO , MS , NM , OK , TX USDA Native Status: L48(N) Herbarium
Specimen(s)NPSOT 0995 Collected Oct 12, 1994 in Bexar County by
Harry CliffeNPSOT 0536 Collected Jul 29, 1987 in Bexar County by
Harry Cliffe Wildflower Center Seed BankLBJWC-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
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