condition mean min max Sterile Leaflet 2.813674666666667 0.431244 6.28366 Fertile Leaflet with Sori 0.0 0.0 0.0 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 0.13591666666666666 0.0 0.40775