condition mean min max Sterile Leaflet 0.007353066666666667 0.0 0.0220592 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 0.0 0.0 0.0 Root 2.236953333333333 0.0 5.58197