A typical herbarium specimen image in TraitEx. A boundary line (red) has been drawn ‘by hand’ to identify the leaf of interest (‘cropped leaf’). The morphological trait values of that leaf as measured by TraitEx are provided in the upper right corner.

 
  Part of: Kommineni VK, Tautenhahn S, Baddam P, Gaikwad J, Wieczorek B, Triki A, Kattge J (2021) Comprehensive leaf size traits dataset for seven plant species from digitised herbarium specimen images covering more than two centuries . Biodiversity Data Journal 9: e69806. https://doi.org/10.3897/BDJ.9.e69806