Figure 4 from: Musarella CM, Cano-Ortiz A, Pinar Fuentes JC, Navas-Urena J, Pinto Gomes CJ, Quinto-Canas R, Cano E, Spampinato G (2018) Similarity analysis between species of the genus Quercus L. (Fagaceae) in southern Italy based on the fractal dimension. PhytoKeys 113: 79-95. https://doi.org/10.3897/phytokeys.113.30330

Figure 4 Value of the medians for each homogeneous group. Fractal dimensions (mean values) of the studied species where Quercusilexsubsp.ilex and Quercussuber have an FD < 1.6 and the marcescent Quercus has a FD > 1.6.