condition mean min max Sterile Leaflet 1.6310086666666666 0.631926 3.0759 Fertile Leaflet with Sori 1.6918 1.39043 2.21831 Primary Rachis 0.7144463333333333 0.356408 1.09723 Secondary Rachis 3.2831343333333334 0.946013 6.24551 Petiole 0.852272 0.309047 1.46187 Crozier 0.499101 0.171011 0.990906 Root 0.428877 0.261163 0.660898