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Accession Number 139678 Scientific Name Sonchus arvensis L. View Species Details » Common Name perennial sow thistle Family Asteraceae Collected By Alexander, B. C. Date Collected 2010-08-15 Collector Number 00141 Place Collected North America: Canada, Alberta, Kinsella Ranch Place Collected Details U. of A. Kinsella Ranch, 500m north-west of the intersection of R 12 and TP 471. Shaded, moist, lightly wooded Populus tremuloides area by a gravel road. Latitude 53.05 Longitude -111.5 Max Uncertainty Estimate (km) 2.316