“…Hölscher et al 2002, Korn 2004) may have some information on geometry included as well, such as ramification characteristics. Rewald et al (2012) compiled morphological identification criteria for tree roots from different sources: root colour, odour, resilience to breakage, type of mycorrhiza, existence of root hairs, exodermal cell structure and periderm characteristics (furrows, dead periderm layers), root diameter, ramification pattern, root tip density, and morphotype of mycorrhizal root tips.…”