condition mean min max Sterile Leaflet 0.032023633333333336 0.0 0.0960709 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 3.259532 0.781478 8.1849 Root 0.8039476666666667 0.446458 1.09369