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Accession Number 40512 Scientific Name Arnica cordifolia Hook. View Species Details » Common Name heart-leaved arnica Family Asteraceae Collected By Boonstra, R. Date Collected 1971-07-22 Collector Number 00116 Place Collected North America: Canada, Alberta, Jasper National Park Place Collected Details Along Rock Cr. trail 2 mi. N. of Mud Cr., Jasper National Park. In White spruce forest, extensive shading, moderate moisture, humus loam soil. Latitude 53.4 Longitude -118.416667 Max Uncertainty Estimate (km) 2.311