condition mean min max Sterile Leaflet 0.5822046666666667 0.0 0.911105 Fertile Leaflet with Sori 2.205141 0.0 6.33615 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.764915 0.0 1.33829 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.26881166666666667 0.0 0.806435