condition mean min max Sterile Leaflet 1.024225 0.0 2.87487 Fertile Leaflet with Sori 0.25438986666666663 0.0 0.665688 Primary Rachis 2.17933 0.076477 5.90667 Petiole 0.1491124 0.0382592 0.227587 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.022393133333333332 0.0 0.0671794