condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 3.9206656666666664 0.0 11.4508 Secondary Rachis 10.57306 0.0 29.022 Petiole 20.3859 0.0 40.2251 Crozier 0.0 0.0 0.0 Root 30.46713666666667 2.71891 75.6795