condition mean min max Sterile Leaflet 0.5202686666666666 0.0 0.851968 Fertile Leaflet with Sori 0.937846 0.227036 1.65895 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 4.362818333333333 0.982985 7.35959