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Keywords from Image Description:
Ueber den Pollen Tab. . crm Wi Afr ym ' Tal Arf it sC na n' rt Tab Illustration biodiversitylibrary org title Fritzsche Carl Julius Biodiversity Heritage Library BHL Promotional Images Ueber den Pollen Pollen University of Illinois Urbana Champaign bhl page dc identifier org taxonomy binomial Scorzonera pratensis