condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.148473 0.0 0.256775 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 68.17237333333334 4.75612 187.627 Root 0.44778066666666666 0.241559 0.743853