condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.09338166666666665 0.0 0.280145 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.160995 0.0 0.331749 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 10.372823333333333 3.75037 17.0124