condition mean min max Sterile Leaflet 2.62861 0.0 7.88583 Fertile Leaflet with Sori 0.27649166666666664 0.0 0.829475 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.032748566666666666 0.0 0.0982457 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0