condition mean min max Sterile Leaflet 0.044607 0.0 0.133821 Fertile Leaflet with Sori 0.75678 0.671304 0.848168 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.6705233333333332 0.0 2.01157 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 9.360972666666667 0.681418 23.6854