Naturhistorisches Museum Mainz, Herbarium Oesau
The Herbarium of Albert Oesau was donated to the Naturhistorisches Museum Mainz (MNHM) in 2000. It contains approx. 5000 vouchers, mainly collected in Rhineland-Palatinate (Germany), particularly Rheinhessen, but also specimens from California (USA).
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Aug 19, 2013