Stock Photo - 12 October 2018, Austria, Vienna: Alpine mantle from the herbarium of the Institute of Botany in Vienna. With the preserved plants, rare flower pollen can be identified on the basis of the comparative piece. (to dpa ""The pollen profilers - with pollen on a manhunt"") Photo: Jan Gott/dpa. - Vienna/Austria

Stock Photo: 12 October 2018, Austria, Vienna: Alpine mantle from the herbarium of the Institute of Botany in Vienna. With the preserved plants.

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