Bevruchting van Vaucheria Date of creation19XXCollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Spiroygra longata, Closterium parvulum, Pleurosigma angulatum, Bacillaria paradoxa, Vaucheria sessilis, Fucus vesiculosus, Macrocystis pyrifera, Bangia atropurpurea CreatorZippel, Hermann und Carl Bollmann (serie 'Repräsentanten einheimischer Pflanzenfamilien')Date of creation21-02-1905CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960