condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.8118973333333334 0.0 1.86059 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.3936733333333333 0.0 1.18102 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 2.5079813333333334 0.553838 6.36676