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SOS Seed Bank

Seeds of Success (SOS) was established in 2001 by the Bureau of Land Management (BLM) in partnership with the Royal Botanic Gardens, Kew Millennium Seed Bank (MSB) to collect, conserve, and develop native plant materials for stabilizing, rehabilitating and restoring lands in the United States.

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NPIN Data

Ambrosia trifida var. texana Scheele

Giant Ragweed, Texan great ragweed
Asteraceae (Aster Family)

USDA Symbol: AMTRT
USDA Native Status: Native to U.S.

Accession Data

Accession Number: LBJWC-MM-707

Field Data Form:
Collection Date: 2009-11-16
Accession Number: LBJWC-MM-707
Collection Number: MM-707
Organization: LBJWC
Collector(s): Lady Bird Johnson Wildflower Center
Collected with: Marr, M.

Location Data

Country: US
State: Texas
County: Hays
Location: Riparian corridor along the Blanco River between File Mile Dam and Post Road; accessed from Randall W. Vetter Park which is located on Old Stagecoach Road between San Marcos and Kyle.

Latitude: 29.937880
Longitude: -97.896360
Georeference Source: GPS
GPS Datum: WGS84

Altitude: 580 FT
Elevation in M: 176

Habitat Data

Associated Taxa: Platanus occidentalis, Acer negundo, Cephalanthus occidentalis, Sesbania herbacea, Panicum virgatum
Slope: 2%
Aspect: S
Geology: Limestone
Soil Texture: Gravelly loam, gray

Collection Data

Plants Sampled: 150 plants sampled.
Population Size: 500
Specimen Notes: Marr, M. - LBJWC:In field:12/18/2005

Inventory Data

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