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Senckenberg, Herbarium Senckenbergianum (FR and GLM)

Cleared leaf and X-ray images of leaf samples from specimens of the Senckenberg herbaria FR and GLM; X-ray images were produced using 2D contact microradiography and 3D X-ray computed tomography (micro-CT). For images of leaf fragments, the lowest visible vein order is indicated as reference vein (see "comment"); for each of these fragments, there is usually an associated image of the entire leaf in this collection. All specimens with a herbarium ID or barcode (e.g. FR-0012813) can usually be searched in the Senckenberg Collection Management System to retrieve more detailed specimen data (e.g. locality, date of collection, digital herbarium specimen etc.) together with the leaf venation images. Due to the use of different image processing standards, multiple 2D X-ray images may be available for a specimen. For part of the specimens, leaf venation data (e.g. vein density) were incorporated in the TRY database ( Leaf samples of Acer pseudoplatanus, Betula pendula, Quercus faginea and Q. ilex (sun vs. shade leaves) were provided for imaging by Raquel Benavides. Digitization was funded by the LIS programme of the Deutsche Forschungsgemeinschaft (DFG), projects Zi 557/11-1, We 2601/10-1 and Ha 1393/4-1. For further information see:

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