condition mean min max Sterile Leaflet 0.327706 0.0 0.658493 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.043015 0.0 0.129045 Petiole 0.0 0.0 0.0 Crozier 0.12322953333333334 0.0 0.344864 Root 37.02863333333333 28.2132 50.6748