condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.22716099999999997 0.0 0.681483 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.30200333333333335 0.0 0.706775 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 2.338076666666667 1.29895 4.12318