condition mean min max Sterile Leaflet 2.6355166666666667 0.20247 5.48864 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 0.07644766666666666 0.0 0.229343