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Keywords from Image Description:
Mercurialis annua flowerdiagram. Diagram of flowers of Mercurialis annua Euphorbiaceae male left and female right flower Strasburger Noll Schenck Schimper Lehrbuch der Botanik fr Hochschulen Auflage Gustav Fischer Jena scanned June de Benutzer Griensteidl PDArt Mercurialis annua botanical illustrations Strasburgers flower diagrams