condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0729571 0.0 0.154263 Rhizome 0.3370413333333333 0.116787 0.54414 Root 8.855786666666667 2.45651 18.2679