condition mean min max Sterile Leaflet 0.044607 0.0 0.133821 Fertile Leaflet with Sori 0.14542833333333333 0.0 0.436285 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 19.938387 0.301531 57.2647