condition mean min max Sterile Leaflet 0.074941 0.0 0.224823 Fertile Leaflet with Sori 1.5869776666666666 0.0 4.54322 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.8937799999999998 0.0 5.68134 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0