SUMMARY: The package MorphoTools2 is intended for multivariate analyses of morphological data. Commonly used tools are missing or scattered across several R packages. The new package, in order to make the workflow convenient and fast, wraps available statistical and graphical tools and provides a comprehensive framework for checking and manipulating input data, core statistical analyses and a wide palette of functions designed to visualize results. AVAILABILITY AND IMPLEMENTATION: Stable version is available from CRAN: https://cran.r-project.org/package=MorphoTools2. The development version is available from the following GitHub repository: https://github.com/MarekSlenker/MorphoTools2. The software is distributed under the GNU General Public Licence (v.3). SUPPLEMENTARY INFORMATION: Supplementary data are available at Bioinformatics online.

Department of Botany Faculty of Science Charles University CZ 128 01 Prague Czechia

Department of Botany Faculty of Science University of South Bohemia CZ 370 05 České Budějovice Czechia

Plant Science and Biodiversity Centre Institute of Botany Slovak Academy of Sciences SK 845 23 Bratislava Slovakia

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