condition mean min max Sterile Leaflet 0.11381266666666666 0.0 0.204545 Fertile Leaflet with Sori 1.79176 0.181006 4.59619 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.4636762666666667 0.0707628 3.79744 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0