condition mean min max Sterile Leaflet 0.39748 0.074746 0.79933 Fertile Leaflet with Sori 2.931340066666667 0.0958602 4.62119 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.05501166666666666 0.0 0.165035 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0