condition mean min max Sterile Leaflet 0.07896066666666667 0.0 0.236882 Fertile Leaflet with Sori 5.192019999999999 2.62355 7.00191 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 0.3212406666666667 0.0 0.963722