condition mean min max Sterile Leaflet 0.005731833333333333 0.0 0.0171955 Fertile Leaflet with Sori 0.0 0.0 0.0 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 3.242719666666667 0.104689 8.0835