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Keywords from Image Description:
Selaginella embryo Strasburger . Selaginella martensii Lngsschnitt durch Embryo section through embryo et Embryoptrger Wurzel Fu bl Bltter lig Ligula st Stammscheitel nach Pfeffer Strasburger Lehrbuch der Botanik fr Hochschulen Fischer Jena de Heinrich Schenck author died PDArt Selaginella martensii