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Accession Number 23760 Scientific Name Petasites frigidus (L.) Fries var. × vitifolius (Greene) Cherniawsky View Species Details » Family Asteraceae Collected By Dumais, Madeline G.; Rankin, G. G. View People Details » Date Collected 1967-06-25 Collector Number 01501 Place Collected North America: Canada, Alberta, Fort McMurray Place Collected Details 50 miles north of junction along McMurray Highway [Highway 63]. Wet grassy area - clay soil - edge of ditch. P. sagittatus seen 50 miles south of McMurray and 50 miles north of Town at Tar Sands Plant. Latitude 55.508496 Longitude -112.350884 Max Uncertainty Estimate (km) 10