condition mean min max Sterile Leaflet 0.034307 0.0 0.102921 Fertile Leaflet with Sori 0.08413153333333333 0.0 0.154409 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 6.930872333333333 0.979227 11.1573