The Wildflower Center's Seed Bank was established in partnership with the Bureau of Land Management's (BLM) Seeds of Success (SOS) program in concert with the Royal Botanic Gardens, Kew Millennium Seed Bank Program (MSBP). The purpose of the Seed Bank is to collect, conserve, and develop native plant materials for stabilizing, rehabilitating and restoring lands in Texas and the United States.
To request seed from the Wildflower Seed Bank, please contact the Seed Bank Curator.
Silphium radula Nutt.
Roughstem RosinweedAsteraceae (Aster Family)
USDA Symbol: SIRA2
Accession Number: LBJWC-TS-3Field Data Form:
Collection Date: 2009-07-02
Accession Number: LBJWC-TS-3
Collection Number: TS-3
Collector(s): Lady Bird Johnson Wildflower Center
Collected with: Siegenthaler, T., Eason, M., Pfiel, B., Marr, M.
Location DataCountry: US
Geog_area: Barton Creek
Location: Shield Ranch, 16037 Hamilton Pool Road Latitude: 30.433760
Georeference Source: GPS
GPS Datum: WGS84 Altitude: 858 FT
Elevation in M: 261
Habitat DataAssociated Taxa: Platanus occidentalis, Carya illinoinensis, Cephalanthus occidentalis, Schizachyrium scoparium, Sorghastrum nutans
Slope: > 45
Soil Texture: Loam, dark gray
Collection DataPlants Sampled: 50 plants sampled.
Population Size: 50