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Keywords from Image Description:
Ueber den Pollen Tab. XI . if jJr Tal XI rr 'rwm Tab XI Illustration biodiversitylibrary org title Fritzsche Carl Julius Biodiversity Heritage Library Ueber den Pollen Pollen University of Illinois Urbana Champaign bhl page dc identifier org taxonomy binomial Tigridia pavonia taxonomy binomial Polygonum amphibium