condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.045774 0.0 0.137322 Primary Rachis 1.8885653999999998 0.0418002 4.91121 Secondary Rachis 0.74944 0.0 2.24832 Petiole 2.4890396666666668 0.11922 7.22229 Crozier 0.0 0.0 0.0 Root 14.7255 13.3042 16.736