condition mean min max Sterile Leaflet 0.61725 0.0 1.85175 Fertile Leaflet with Sori 5.42098 4.29581 7.54818 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.278589 0.261748 0.290607 Petiole 0.0 0.0 0.0 Crozier 0.100869 0.0 0.302607 Root 0.23425833333333335 0.0 0.702775