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. 2013 Aug 1;4:292. doi: 10.3389/fpls.2013.00292

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Copyright © 2013 Bodner, Leitner, Nakhforoosh, Sobotik, Moder and Kaul.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Figure A1 — Examples of possible descriptive categories for hierarchically ordered root traits within a comprehensive core data set to be used for classification of root system types.