condition mean min max Sterile Leaflet 0.12117166666666666 0.0 0.363515 Fertile Leaflet with Sori 8.87434 7.11976 10.0285 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 0.0 0.0 0.0