Pennsylvania Sedge – Carex pensylvanica

The Alexander von Humboldt Memorial to the right of the Humboldt University main building on Unter den Linden avenue in Berlin's Mitte district commemorates the Prussian polymath and natural scientist Alexander von Humboldt (1769–1859). Created in 1882 by Reinhold Begas in neo-baroque style, the marble statue is a masterpiece of the Berlin school of sculpture.^[1]

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  Early model by Reinhold Begas
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  Marble statue in 1952
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  Humboldt University main building

• Bloch, Peter; Grzimek, Waldemar (1978). Die Berliner Bildhauerschule im neunzehnten Jahrhundert. Das klassische Berlin (in German). Berlin: Propyläen. ISBN 978-3-549-06631-7.

• Alexander von Humboldt Memorial – Berlin Monument Authority (in German)