condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.11829566666666666 0.0 0.239946 Secondary Rachis 0.15448199999999998 0.0 0.337815 Petiole 0.5283690000000001 0.0 1.31153 Crozier 0.7968693333333333 0.0 1.67374 Root 4.283903333333333 3.78321 4.69688